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The ioctl serialization mutex (vdev->lock or q->lock for vb2 queues)
was taken at the highest level in v4l2-dev.c. This prevents more
fine-grained locking since at that level we cannot examine the ioctl
arguments, we can only do that after video_usercopy is called.
So push the locking down to __video_do_ioctl() and subdev_do_ioctl_lock().
This also allows us to make a few functions in v4l2-ioctl.c static and
video_usercopy() is no longer exported.
The locking scheme is not changed by this patch, just pushed down.
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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The last user of this 'feature' was the gspca driver. Now that
that driver has been converted to vb2 we can delete this code.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Add a parameter (in the form of a structure to ease future API
extensions) to the VSP atomic flush handler to pass CRC source
configuration, and pass the CRC value to the completion callback.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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The structure is used in the API that the VSP1 driver exposes to the DU
driver. Documenting it is thus important.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Any spaces events received after a reset or startup should be discarded,
so ensure the rc device is in idle mode.
This also makes it much easier to detect incorrect raw events, as we will
do in a following commit.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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During destruction, a race condition in
dvb_media_controller_disable_source() can cause a kernel crash,
because the "mdev" pointer has been read successfully while another
task executes dvb_usb_media_device_unregister(), which destroys the
object. Example for such a crash:
general protection fault: 0000 [#1] SMP
CPU: 1 PID: 301 Comm: vdr Not tainted 4.8.1-nuc+ #102
[142B blob data]
task: ffff8802301f2040 task.stack: ffff880233728000
RIP: 0010:[<ffffffff816c296b>] [<ffffffff816c296b>] dvb_frontend_release+0xcb/0x120
RSP: 0018:ffff88023372bdd8 EFLAGS: 00010202
RAX: 001fd55c000000da RBX: ffff880236bad810 RCX: 0000000000000000
RDX: ffff880235bd81f0 RSI: 0000000000000246 RDI: ffff880235bd81e8
RBP: ffff88023372be00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88022f009910 R12: 0000000000000000
R13: ffff880235a21a80 R14: ffff880235bd8000 R15: ffff880235bb8a78
FS: 0000000000000000(0000) GS:ffff88023fd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f96edd69818 CR3: 0000000002406000 CR4: 00000000001006e0
Stack:
ffff88022f009900 0000000000000008 ffff880235bb8a78 ffff8802344fbb20
ffff880236437b40 ffff88023372be48 ffffffff8117a81e ffff880235bb8a78
ffff88022f009910 ffff8802335a7400 ffff8802301f2040 ffff88022f009900
Call Trace:
[<ffffffff8117a81e>] __fput+0xde/0x1d0
[<ffffffff8117a949>] ____fput+0x9/0x10
[<ffffffff810a9fce>] task_work_run+0x7e/0xa0
[<ffffffff81094bab>] do_exit+0x27b/0xa50
[<ffffffff810407e3>] ? __do_page_fault+0x1c3/0x430
[<ffffffff81095402>] do_group_exit+0x42/0xb0
[<ffffffff8109547f>] SyS_exit_group+0xf/0x10
[<ffffffff8108bedb>] entry_SYSCALL_64_fastpath+0x13/0x8f
Code: 31 c9 49 8d be e8 01 00 00 ba 01 00 00 00 be 03 00 00 00 e8 68 2d a0 ff 48 8b 83 10 03 00 00 48 8b 80 88 00 00 00 48 85 c0 74 12 <48> 8b 80 88 02 00 00 48 85 c0 74 06 49 8b 7d
RIP [<ffffffff816c296b>] dvb_frontend_release+0xcb/0x120
[mchehab+samsung@kernel.org: fix a Coding Style issue]
Signed-off-by: Max Kellermann <max.kellermann@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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The mdev field is only present if CONFIG_MEDIA_CONTROLLER is set.
But since we will need to pass the media_device to vb2 and the
control framework it is very convenient to just make this field
available all the time. If CONFIG_MEDIA_CONTROLLER is not set,
then it will just be NULL.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Linux 4.17-rc4
* tag 'v4.17-rc4': (920 commits)
Linux 4.17-rc4
KVM: x86: remove APIC Timer periodic/oneshot spikes
genksyms: fix typo in parse.tab.{c,h} generation rules
kbuild: replace hardcoded bison in cmd_bison_h with $(YACC)
gcc-plugins: fix build condition of SANCOV plugin
MAINTAINERS: Update Kbuild entry with a few paths
Revert "usb: host: ehci: Use dma_pool_zalloc()"
platform/x86: Kconfig: Fix dell-laptop dependency chain.
platform/x86: asus-wireless: Fix NULL pointer dereference
arm64: vgic-v2: Fix proxying of cpuif access
KVM: arm/arm64: vgic_init: Cleanup reference to process_maintenance
KVM: arm64: Fix order of vcpu_write_sys_reg() arguments
MAINTAINERS & files: Canonize the e-mails I use at files
media: imx-media-csi: Fix inconsistent IS_ERR and PTR_ERR
tools: power/acpi, revert to LD = gcc
bdi: Fix oops in wb_workfn()
RDMA/cma: Do not query GID during QP state transition to RTR
IB/mlx4: Fix integer overflow when calculating optimal MTT size
IB/hfi1: Fix memory leak in exception path in get_irq_affinity()
IB/{hfi1, rdmavt}: Fix memory leak in hfi1_alloc_devdata() upon failure
...
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Fix this warning when building the docs:
include/media/v4l2-dev.h:42: warning: Enum value 'VFL_TYPE_MAX' not described in enum 'vfl_devnode_type'
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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s/dose/does/
Fixes: d295c6a460cd2ac6 ("[media] media: entity: Add media_entity_get_fwnode_pad() function")
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Newer DVB receivers of this type have a different USB PID.
Signed-off-by: Rainer Keller <mail@rainerkeller.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Videobuf has been replaced by videobuf2. Now, no drivers use
the videobuf-dvb helper module anymore. So, get rid of it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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From now on, I'll start using my @kernel.org as my development e-mail.
As such, let's remove the entries that point to the old
mchehab@s-opensource.com at MAINTAINERS file.
For the files written with a copyright with mchehab@s-opensource,
let's keep Samsung on their names, using mchehab+samsung@kernel.org,
in order to keep pointing to my employer, with sponsors the work.
For the files written before I join Samsung (on July, 4 2013),
let's just use mchehab@kernel.org.
For bug reports, we can simply point to just kernel.org, as
this will reach my mchehab+samsung inbox anyway.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Brian Warner <brian.warner@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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v4l2_fwnode_parse_endpoint
It's called v4l2_fwnode_endpoint_parse, not v4l2_fwnode_parse_endpoint.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"A series of media updates/fixes for 4.17.
There are two important core fix patches in this series:
- A regression fix on Kernel 4.16 with causes it to not work with
some input devices that depend on media core
- A fix at compat32 bits with causes it to OOPS on overlay, and
affects the Kernels where the CVE-2017-13166 was backported
The remaining ones are other random fixes at the documentation and on
drivers.
The biggest part of this series is a set of 18 patches for the Intel
atomisp driver. Currently, it produces hundreds of warnings/errors on
sparse/smatch, causing me to sometimes ignore new warnings on other
drivers that are not so broken. This driver is on really poor state,
even for staging standards: it has several layers of abstraction on
it, and it supports two different hardware. Selecting between them
require to add a define (there isn't even a Kconfig option for such
purpose). Just on this smatch cleanup, I could easily get rid of 8
"do-nothing" files. So, I'm seriously considering its removal from
upstream, if I don't see any real work on addressing the problems
there along this year"
* tag 'media/v4.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (48 commits)
media: v4l2-core: fix size of devnode_nums[] bitarray
media: v4l2-compat-ioctl32: don't oops on overlay
media: i2c: adv748x: afe: fix sparse warning
media: extended-controls.rst: transmitter -> receiver
media: staging: atomisp: stop duplicating input format types
media: staging: atomisp: get rid of an unused var
media: staging: atomisp: stop mixing enum types
media: staging: atomisp: get rid of some static warnings
media: staging: atomisp: use %p to print pointers
media: staging: atomisp: remove an useless check
media: staging: atomisp: avoid a warning if 32 bits build
media: staging: atomisp: don't access a NULL var
media: staging: atomisp: Get rid of *default.host.[ch]
media: staging: atomisp: get rid of an unused function
media: staging: atomisp: remove unused set_pd_base()
media: staging: atomisp: fix endianess issues
media: staging: atomisp: add a missing include
media: staging: atomisp: get rid of stupid statements
media: staging: atomisp: declare static vars as such
media: staging: atomisp: ia_css_output.host: don't use var before check
...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro:
"Assorted stuff, including Christoph's I_DIRTY patches"
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs: move I_DIRTY_INODE to fs.h
ubifs: fix bogus __mark_inode_dirty(I_DIRTY_SYNC | I_DIRTY_DATASYNC) call
ntfs: fix bogus __mark_inode_dirty(I_DIRTY_SYNC | I_DIRTY_DATASYNC) call
gfs2: fix bogus __mark_inode_dirty(I_DIRTY_SYNC | I_DIRTY_DATASYNC) calls
fs: fold open_check_o_direct into do_dentry_open
vfs: Replace stray non-ASCII homoglyph characters with their ASCII equivalents
vfs: make sure struct filename->iname is word-aligned
get rid of pointless includes of fs_struct.h
[poll] annotate SAA6588_CMD_POLL users
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The size of devnode_nums[] bit array is too short to store information
for VFL_TYPE_TOUCH. That causes it to override other memory regions.
Thankfully, on recent reports, it is overriding video_device[] array,
trigging a WARN_ON(). Yet, it just warns about the problem, but let
the code excecuting, with generates an OOPS:
[ 43.177394] WARNING: CPU: 1 PID: 711 at drivers/media/v4l2-core/v4l2-dev.c:945 __video_register_device+0xc99/0x1090 [videodev]
[ 43.177396] Modules linked in: hid_sensor_custom hid_sensor_als hid_sensor_incl_3d hid_sensor_rotation hid_sensor_magn_3d hid_sensor_accel_3d hid_sensor_gyro_3d hid_sensor_trigger industrialio_triggered_buffer kfifo_buf joydev hid_sensor_iio_common hid_rmi(+) rmi_core industrialio videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev hid_multitouch media hid_sensor_hub binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi arc4 snd_soc_skl snd_soc_skl_ipc snd_hda_ext_core snd_soc_sst_dsp snd_soc_sst_ipc snd_hda_codec_realtek snd_soc_acpi snd_hda_codec_generic snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep intel_powerclamp coretemp snd_pcm kvm_intel snd_seq_midi snd_seq_midi_event snd_rawmidi crct10dif_pclmul
[ 43.177426] crc32_pclmul ghash_clmulni_intel iwlmvm pcbc mac80211 snd_seq aesni_intel iwlwifi aes_x86_64 snd_seq_device crypto_simd glue_helper cryptd snd_timer intel_cstate intel_rapl_perf input_leds serio_raw intel_wmi_thunderbolt snd wmi_bmof cfg80211 soundcore ideapad_laptop sparse_keymap idma64 virt_dma tpm_crb acpi_pad int3400_thermal acpi_thermal_rel intel_pch_thermal processor_thermal_device mac_hid int340x_thermal_zone mei_me intel_soc_dts_iosf mei intel_lpss_pci shpchp intel_lpss sch_fq_codel vfio_pci nfsd vfio_virqfd parport_pc ppdev auth_rpcgss nfs_acl lockd grace lp parport sunrpc ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj hid_generic usbhid kvmgt vfio_mdev mdev vfio_iommu_type1 vfio kvm irqbypass i915 i2c_algo_bit drm_kms_helper syscopyarea sdhci_pci sysfillrect
[ 43.177466] sysimgblt cqhci fb_sys_fops sdhci drm i2c_hid wmi hid video pinctrl_sunrisepoint pinctrl_intel
[ 43.177474] CPU: 1 PID: 711 Comm: systemd-udevd Not tainted 4.16.0 #1
[ 43.177475] Hardware name: LENOVO 80UE/VIUU4, BIOS 2UCN10T 10/14/2016
[ 43.177481] RIP: 0010:__video_register_device+0xc99/0x1090 [videodev]
[ 43.177482] RSP: 0000:ffffa5c5c231b420 EFLAGS: 00010202
[ 43.177484] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000
[ 43.177485] RDX: ffffffffc0c44cc0 RSI: ffffffffffffffff RDI: ffffffffc0c44cc0
[ 43.177486] RBP: ffffa5c5c231b478 R08: ffffffffc0c96900 R09: ffff8eda1a51f018
[ 43.177487] R10: 0000000000000600 R11: 00000000000003b6 R12: 0000000000000000
[ 43.177488] R13: 0000000000000005 R14: ffffffffc0c96900 R15: ffff8eda1d6d91c0
[ 43.177489] FS: 00007fd2d8ef2480(0000) GS:ffff8eda33480000(0000) knlGS:0000000000000000
[ 43.177490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.177491] CR2: 00007ffe0a6ad01c CR3: 0000000456ae2004 CR4: 00000000003606e0
[ 43.177492] Call Trace:
[ 43.177498] ? devres_add+0x5f/0x70
[ 43.177502] rmi_f54_probe+0x437/0x470 [rmi_core]
[ 43.177505] rmi_function_probe+0x25/0x30 [rmi_core]
[ 43.177507] driver_probe_device+0x310/0x480
[ 43.177509] __device_attach_driver+0x86/0x100
[ 43.177511] ? __driver_attach+0xf0/0xf0
[ 43.177512] bus_for_each_drv+0x6b/0xb0
[ 43.177514] __device_attach+0xdd/0x160
[ 43.177516] device_initial_probe+0x13/0x20
[ 43.177518] bus_probe_device+0x95/0xa0
[ 43.177519] device_add+0x44b/0x680
[ 43.177522] rmi_register_function+0x62/0xd0 [rmi_core]
[ 43.177525] rmi_create_function+0x112/0x1a0 [rmi_core]
[ 43.177527] ? rmi_driver_clear_irq_bits+0xc0/0xc0 [rmi_core]
[ 43.177530] rmi_scan_pdt+0xca/0x1a0 [rmi_core]
[ 43.177535] rmi_init_functions+0x5b/0x120 [rmi_core]
[ 43.177537] rmi_driver_probe+0x152/0x3c0 [rmi_core]
[ 43.177547] ? sysfs_create_link+0x25/0x40
[ 43.177549] driver_probe_device+0x310/0x480
[ 43.177551] __device_attach_driver+0x86/0x100
[ 43.177553] ? __driver_attach+0xf0/0xf0
[ 43.177554] bus_for_each_drv+0x6b/0xb0
[ 43.177556] __device_attach+0xdd/0x160
[ 43.177558] device_initial_probe+0x13/0x20
[ 43.177560] bus_probe_device+0x95/0xa0
[ 43.177561] device_add+0x44b/0x680
[ 43.177564] rmi_register_transport_device+0x84/0x100 [rmi_core]
[ 43.177568] rmi_input_configured+0xbf/0x1a0 [hid_rmi]
[ 43.177571] ? input_allocate_device+0xdf/0xf0
[ 43.177574] hidinput_connect+0x4a9/0x37a0 [hid]
[ 43.177578] hid_connect+0x326/0x3d0 [hid]
[ 43.177581] hid_hw_start+0x42/0x70 [hid]
[ 43.177583] rmi_probe+0x115/0x510 [hid_rmi]
[ 43.177586] hid_device_probe+0xd3/0x150 [hid]
[ 43.177588] ? sysfs_create_link+0x25/0x40
[ 43.177590] driver_probe_device+0x310/0x480
[ 43.177592] __driver_attach+0xbf/0xf0
[ 43.177593] ? driver_probe_device+0x480/0x480
[ 43.177595] bus_for_each_dev+0x74/0xb0
[ 43.177597] ? kmem_cache_alloc_trace+0x1a6/0x1c0
[ 43.177599] driver_attach+0x1e/0x20
[ 43.177600] bus_add_driver+0x167/0x260
[ 43.177602] ? 0xffffffffc0cbc000
[ 43.177604] driver_register+0x60/0xe0
[ 43.177605] ? 0xffffffffc0cbc000
[ 43.177607] __hid_register_driver+0x63/0x70 [hid]
[ 43.177610] rmi_driver_init+0x23/0x1000 [hid_rmi]
[ 43.177612] do_one_initcall+0x52/0x191
[ 43.177615] ? _cond_resched+0x19/0x40
[ 43.177617] ? kmem_cache_alloc_trace+0xa2/0x1c0
[ 43.177619] ? do_init_module+0x27/0x209
[ 43.177621] do_init_module+0x5f/0x209
[ 43.177623] load_module+0x1987/0x1f10
[ 43.177626] ? ima_post_read_file+0x96/0xa0
[ 43.177629] SYSC_finit_module+0xfc/0x120
[ 43.177630] ? SYSC_finit_module+0xfc/0x120
[ 43.177632] SyS_finit_module+0xe/0x10
[ 43.177634] do_syscall_64+0x73/0x130
[ 43.177637] entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[ 43.177638] RIP: 0033:0x7fd2d880b839
[ 43.177639] RSP: 002b:00007ffe0a6b2368 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 43.177641] RAX: ffffffffffffffda RBX: 000055cdd86542e0 RCX: 00007fd2d880b839
[ 43.177641] RDX: 0000000000000000 RSI: 00007fd2d84ea0e5 RDI: 0000000000000016
[ 43.177642] RBP: 00007fd2d84ea0e5 R08: 0000000000000000 R09: 00007ffe0a6b2480
[ 43.177643] R10: 0000000000000016 R11: 0000000000000246 R12: 0000000000000000
[ 43.177644] R13: 000055cdd8688930 R14: 0000000000020000 R15: 000055cdd86542e0
[ 43.177645] Code: 48 c7 c7 54 b4 c3 c0 e8 96 9d ec dd e9 d4 fb ff ff 0f 0b 41 be ea ff ff ff e9 c7 fb ff ff 0f 0b 41 be ea ff ff ff e9 ba fb ff ff <0f> 0b e9 d8 f4 ff ff 83 fa 01 0f 84 c4 02 00 00 48 83 78 68 00
[ 43.177675] ---[ end trace d44d9bc41477c2dd ]---
[ 43.177679] BUG: unable to handle kernel NULL pointer dereference at 0000000000000499
[ 43.177723] IP: __video_register_device+0x1cc/0x1090 [videodev]
[ 43.177749] PGD 0 P4D 0
[ 43.177764] Oops: 0000 [#1] SMP PTI
[ 43.177780] Modules linked in: hid_sensor_custom hid_sensor_als hid_sensor_incl_3d hid_sensor_rotation hid_sensor_magn_3d hid_sensor_accel_3d hid_sensor_gyro_3d hid_sensor_trigger industrialio_triggered_buffer kfifo_buf joydev hid_sensor_iio_common hid_rmi(+) rmi_core industrialio videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev hid_multitouch media hid_sensor_hub binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi arc4 snd_soc_skl snd_soc_skl_ipc snd_hda_ext_core snd_soc_sst_dsp snd_soc_sst_ipc snd_hda_codec_realtek snd_soc_acpi snd_hda_codec_generic snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel snd_hda_codec intel_rapl snd_hda_core x86_pkg_temp_thermal snd_hwdep intel_powerclamp coretemp snd_pcm kvm_intel snd_seq_midi snd_seq_midi_event snd_rawmidi crct10dif_pclmul
[ 43.178055] crc32_pclmul ghash_clmulni_intel iwlmvm pcbc mac80211 snd_seq aesni_intel iwlwifi aes_x86_64 snd_seq_device crypto_simd glue_helper cryptd snd_timer intel_cstate intel_rapl_perf input_leds serio_raw intel_wmi_thunderbolt snd wmi_bmof cfg80211 soundcore ideapad_laptop sparse_keymap idma64 virt_dma tpm_crb acpi_pad int3400_thermal acpi_thermal_rel intel_pch_thermal processor_thermal_device mac_hid int340x_thermal_zone mei_me intel_soc_dts_iosf mei intel_lpss_pci shpchp intel_lpss sch_fq_codel vfio_pci nfsd vfio_virqfd parport_pc ppdev auth_rpcgss nfs_acl lockd grace lp parport sunrpc ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj hid_generic usbhid kvmgt vfio_mdev mdev vfio_iommu_type1 vfio kvm irqbypass i915 i2c_algo_bit drm_kms_helper syscopyarea sdhci_pci sysfillrect
[ 43.178337] sysimgblt cqhci fb_sys_fops sdhci drm i2c_hid wmi hid video pinctrl_sunrisepoint pinctrl_intel
[ 43.178380] CPU: 1 PID: 711 Comm: systemd-udevd Tainted: G W 4.16.0 #1
[ 43.178411] Hardware name: LENOVO 80UE/VIUU4, BIOS 2UCN10T 10/14/2016
[ 43.178441] RIP: 0010:__video_register_device+0x1cc/0x1090 [videodev]
[ 43.178467] RSP: 0000:ffffa5c5c231b420 EFLAGS: 00010202
[ 43.178490] RAX: ffffffffc0c44cc0 RBX: 0000000000000005 RCX: ffffffffc0c454c0
[ 43.178519] RDX: 0000000000000001 RSI: ffff8eda1d6d9118 RDI: ffffffffc0c44cc0
[ 43.178549] RBP: ffffa5c5c231b478 R08: ffffffffc0c96900 R09: ffff8eda1a51f018
[ 43.178579] R10: 0000000000000600 R11: 00000000000003b6 R12: 0000000000000000
[ 43.178608] R13: 0000000000000005 R14: ffffffffc0c96900 R15: ffff8eda1d6d91c0
[ 43.178636] FS: 00007fd2d8ef2480(0000) GS:ffff8eda33480000(0000) knlGS:0000000000000000
[ 43.178669] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.178693] CR2: 0000000000000499 CR3: 0000000456ae2004 CR4: 00000000003606e0
[ 43.178721] Call Trace:
[ 43.178736] ? devres_add+0x5f/0x70
[ 43.178755] rmi_f54_probe+0x437/0x470 [rmi_core]
[ 43.178779] rmi_function_probe+0x25/0x30 [rmi_core]
[ 43.178805] driver_probe_device+0x310/0x480
[ 43.178828] __device_attach_driver+0x86/0x100
[ 43.178851] ? __driver_attach+0xf0/0xf0
[ 43.178884] bus_for_each_drv+0x6b/0xb0
[ 43.178904] __device_attach+0xdd/0x160
[ 43.178925] device_initial_probe+0x13/0x20
[ 43.178948] bus_probe_device+0x95/0xa0
[ 43.178968] device_add+0x44b/0x680
[ 43.178987] rmi_register_function+0x62/0xd0 [rmi_core]
[ 43.181747] rmi_create_function+0x112/0x1a0 [rmi_core]
[ 43.184677] ? rmi_driver_clear_irq_bits+0xc0/0xc0 [rmi_core]
[ 43.187505] rmi_scan_pdt+0xca/0x1a0 [rmi_core]
[ 43.190171] rmi_init_functions+0x5b/0x120 [rmi_core]
[ 43.192809] rmi_driver_probe+0x152/0x3c0 [rmi_core]
[ 43.195403] ? sysfs_create_link+0x25/0x40
[ 43.198253] driver_probe_device+0x310/0x480
[ 43.201083] __device_attach_driver+0x86/0x100
[ 43.203800] ? __driver_attach+0xf0/0xf0
[ 43.206503] bus_for_each_drv+0x6b/0xb0
[ 43.209291] __device_attach+0xdd/0x160
[ 43.212207] device_initial_probe+0x13/0x20
[ 43.215146] bus_probe_device+0x95/0xa0
[ 43.217885] device_add+0x44b/0x680
[ 43.220597] rmi_register_transport_device+0x84/0x100 [rmi_core]
[ 43.223321] rmi_input_configured+0xbf/0x1a0 [hid_rmi]
[ 43.226051] ? input_allocate_device+0xdf/0xf0
[ 43.228814] hidinput_connect+0x4a9/0x37a0 [hid]
[ 43.231701] hid_connect+0x326/0x3d0 [hid]
[ 43.234548] hid_hw_start+0x42/0x70 [hid]
[ 43.237302] rmi_probe+0x115/0x510 [hid_rmi]
[ 43.239862] hid_device_probe+0xd3/0x150 [hid]
[ 43.242558] ? sysfs_create_link+0x25/0x40
[ 43.242828] audit: type=1400 audit(1522795151.600:4): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/snap/core/4206/usr/lib/snapd/snap-confine" pid=1151 comm="apparmor_parser"
[ 43.244859] driver_probe_device+0x310/0x480
[ 43.244862] __driver_attach+0xbf/0xf0
[ 43.246982] audit: type=1400 audit(1522795151.600:5): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/snap/core/4206/usr/lib/snapd/snap-confine//mount-namespace-capture-helper" pid=1151 comm="apparmor_parser"
[ 43.249403] ? driver_probe_device+0x480/0x480
[ 43.249405] bus_for_each_dev+0x74/0xb0
[ 43.253200] audit: type=1400 audit(1522795151.600:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/snap/core/4206/usr/lib/snapd/snap-confine//snap_update_ns" pid=1151 comm="apparmor_parser"
[ 43.254055] ? kmem_cache_alloc_trace+0x1a6/0x1c0
[ 43.256282] audit: type=1400 audit(1522795151.604:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/sbin/dhclient" pid=1152 comm="apparmor_parser"
[ 43.258436] driver_attach+0x1e/0x20
[ 43.260875] audit: type=1400 audit(1522795151.604:8): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=1152 comm="apparmor_parser"
[ 43.263118] bus_add_driver+0x167/0x260
[ 43.267676] audit: type=1400 audit(1522795151.604:9): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-helper" pid=1152 comm="apparmor_parser"
[ 43.268807] ? 0xffffffffc0cbc000
[ 43.268812] driver_register+0x60/0xe0
[ 43.271184] audit: type=1400 audit(1522795151.604:10): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=1152 comm="apparmor_parser"
[ 43.274081] ? 0xffffffffc0cbc000
[ 43.274086] __hid_register_driver+0x63/0x70 [hid]
[ 43.288367] rmi_driver_init+0x23/0x1000 [hid_rmi]
[ 43.291501] do_one_initcall+0x52/0x191
[ 43.292348] audit: type=1400 audit(1522795151.652:11): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/bin/man" pid=1242 comm="apparmor_parser"
[ 43.294212] ? _cond_resched+0x19/0x40
[ 43.300028] ? kmem_cache_alloc_trace+0xa2/0x1c0
[ 43.303475] ? do_init_module+0x27/0x209
[ 43.306842] do_init_module+0x5f/0x209
[ 43.310269] load_module+0x1987/0x1f10
[ 43.313704] ? ima_post_read_file+0x96/0xa0
[ 43.317174] SYSC_finit_module+0xfc/0x120
[ 43.320754] ? SYSC_finit_module+0xfc/0x120
[ 43.324065] SyS_finit_module+0xe/0x10
[ 43.327387] do_syscall_64+0x73/0x130
[ 43.330909] entry_SYSCALL_64_after_hwframe+0x3d/0xa2
[ 43.334305] RIP: 0033:0x7fd2d880b839
[ 43.337810] RSP: 002b:00007ffe0a6b2368 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 43.341259] RAX: ffffffffffffffda RBX: 000055cdd86542e0 RCX: 00007fd2d880b839
[ 43.344613] RDX: 0000000000000000 RSI: 00007fd2d84ea0e5 RDI: 0000000000000016
[ 43.347962] RBP: 00007fd2d84ea0e5 R08: 0000000000000000 R09: 00007ffe0a6b2480
[ 43.351456] R10: 0000000000000016 R11: 0000000000000246 R12: 0000000000000000
[ 43.354845] R13: 000055cdd8688930 R14: 0000000000020000 R15: 000055cdd86542e0
[ 43.358224] Code: c7 05 ad 12 02 00 00 00 00 00 48 8d 88 00 08 00 00 eb 09 48 83 c0 08 48 39 c1 74 31 48 8b 10 48 85 d2 74 ef 49 8b b7 98 04 00 00 <48> 39 b2 98 04 00 00 75 df 48 63 92 f8 04 00 00 f0 48 0f ab 15
[ 43.361764] RIP: __video_register_device+0x1cc/0x1090 [videodev] RSP: ffffa5c5c231b420
[ 43.365281] CR2: 0000000000000499
This patch fixes the array size and changes the WARN_ON() to return an error,
instead of letting the Kernel to proceed with registering.
Cc: stable@vger.kernel.org # For Kernel 4.16
Fixes: 4839c58f034a ("media: v4l2-dev: convert VFL_TYPE_* into an enum")
Reported-by: Peter Geis <pgwipeout@gmail.com>
Reported-by: Jaak Ristioja <jaak@ristioja.ee>
Reported-by: Michał Siemek <mihau69@gmail.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
An older version of the driver patches were merged accidentally which
resulted in missing the array_size parameter that tells the length of the
array that contains the different supported sizes.
Bring it back to v4l2_find_nearest size and make the corresponding change
for the drivers using it as well.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new CEC pin injection code for testing purposes
- DVB frontend cxd2099 promoted from staging
- new platform driver for Sony cxd2880 DVB devices
- new sensor drivers: mt9t112, ov2685, ov5695, ov772x, tda1997x,
tw9910.c
- removal of unused cx18 and ivtv alsa mixers
- the reneseas-ceu driver doesn't depend on soc_camera anymore and
moved from staging
- removed the mantis_vp3028 driver, unused since 2009
- s5p-mfc: add support for version 10 of the MSP
- added a decoder for imon protocol
- atomisp: lots of cleanups
- imx074 and mt9t031: don't depend on soc_camera anymore, being
promoted from staging
- added helper functions to better support DVB I2C binding
- lots of driver improvements and cleanups
* tag 'media/v4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (438 commits)
media: v4l2-ioctl: rename a temp var that stores _IOC_SIZE(cmd)
media: fimc-capture: get rid of two warnings
media: dvb-usb-v2: fix a missing dependency of I2C_MUX
media: uvc: to the right check at uvc_ioctl_enum_framesizes()
media: cec-core: fix a bug at cec_error_inj_write()
media: tda9840: cleanup a warning
media: tm6000: avoid casting just to print pointer address
media: em28xx-input: improve error handling code
media: zr364xx: avoid casting just to print pointer address
media: vivid-radio-rx: add a cast to avoid a warning
media: saa7134-alsa: don't use casts to print a buffer address
media: solo6x10: get rid of an address space warning
media: zoran: don't cast pointers to print them
media: ir-kbd-i2c: change the if logic to avoid a warning
media: ir-kbd-i2c: improve error handling code
media: saa7134-input: improve error handling
media: s2255drv: fix a casting warning
media: ivtvfb: Cleanup some warnings
media: videobuf-dma-sg: Fix a weird cast
soc_camera: fix a weird cast on printk
...
|
|
The blackfin architecture is getting removed, so the video
capture driver is also obsolete.
Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Aaron Wu <aaron.wu@analog.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
|
It turns out that the struct cec_fh event buffer size of 64 events
(64 for CEC_EVENT_PIN_CEC_LOW and 64 for _HIGH) is too small. It's
about 160 ms worth of events and if the Raspberry Pi is busy, then it
might take too long for the application to be scheduled so that it can
drain the pending events. Increase these buffers to 800 events which
is at least 2 seconds worth of events.
There is also a FIFO in between the interrupt and the cec-pin thread.
The thread passes the events on to the CEC core. It is important that
should this FIFO fill up the cec core will be informed that events
have been lost so this can be communicated to the user by setting
CEC_EVENT_FL_DROPPED_EVENTS.
It is very hard to debug CEC problems if events were lost without
informing the user of that fact.
If events were dropped due to the FIFO filling up, then the debugfs
status file will let you know how many events were dropped.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
Add two new ops (error_inj_show and error_inj_parse_line) to support
error injection functionality for CEC adapters. If both are present,
then the core will add a new error-inj debugfs file that can be used
to see the current error injection commands and to set error injection
commands.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
Clearly, changeset 95ce9c28601a ("media: v4l: common: Add a
function to obtain best size from a list") was never tested, as it
broke compilation with:
drivers/media/platform/vivid/vivid-vid-cap.c: In function ‘vivid_try_fmt_vid_cap’:
drivers/media/platform/vivid/vivid-vid-cap.c:565:34: error: macro "v4l2_find_nearest_size" requer 6 argumentos, mas apenas 5 foram fornecidos
mp->width, mp->height);
^
drivers/media/platform/vivid/vivid-vid-cap.c:564:4: error: ‘v4l2_find_nearest_size’ undeclared (first use in this function); did you mean ‘__v4l2_find_nearest_size’?
v4l2_find_nearest_size(webcam_sizes, width, height,
^~~~~~~~~~~~~~~~~~~~~~
__v4l2_find_nearest_size
drivers/media/platform/vivid/vivid-vid-cap.c:564:4: note: each undeclared identifier is reported only once for each function it appears in
drivers/media/i2c/ov5670.c: In function ‘ov5670_set_pad_format’:
drivers/media/i2c/ov5670.c:2233:48: error: macro "v4l2_find_nearest_size" requer 6 argumentos, mas apenas 5 foram fornecidos
fmt->format.width, fmt->format.height);
^
drivers/media/i2c/ov5670.c:2232:9: error: ‘v4l2_find_nearest_size’ undeclared (first use in this function); did you mean ‘__v4l2_find_nearest_size’?
mode = v4l2_find_nearest_size(supported_modes, width, height,
^~~~~~~~~~~~~~~~~~~~~~
__v4l2_find_nearest_size
drivers/media/i2c/ov13858.c: In function ‘ov13858_set_pad_format’:
drivers/media/i2c/ov13858.c:1379:48: error: macro "v4l2_find_nearest_size" requer 6 argumentos, mas apenas 5 foram fornecidos
fmt->format.width, fmt->format.height);
^
drivers/media/i2c/ov13858.c:1378:9: error: ‘v4l2_find_nearest_size’ undeclared (first use in this function); did you mean ‘__v4l2_find_nearest_size’?
mode = v4l2_find_nearest_size(supported_modes, width, height,
^~~~~~~~~~~~~~~~~~~~~~
__v4l2_find_nearest_size
drivers/media/i2c/ov13858.c:1378:9: note: each undeclared identifier is reported only once for each function it appears in
Basically, v4l2_find_nearest_size() callers pass 5 arguments,
while its definition require 6 args.
Unfortunately, my build process was also broken, as it was reporting me that
the compilation went fine:
$ make ARCH=i386 CF=-D__CHECK_ENDIAN__ CONFIG_DEBUG_SECTION_MISMATCH=y C=1 W=1 CHECK='compile_checks' M=drivers/staging/media
$ make ARCH=i386 CF=-D__CHECK_ENDIAN__ CONFIG_DEBUG_SECTION_MISMATCH=y C=1 W=1 CHECK='compile_checks' M=drivers/media
*** ERRORS ***
*** WARNINGS ***
compilation succeeded
That was due to a change here to use of linux-log-diff script that
provides a diffstat between the errors output. Somehow, the logic
was missing some fatal errors.
Fixes: 95ce9c28601a ("media: v4l: common: Add a function to obtain best size from a list")
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
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Remove soc_camera framework dependencies from mt9t112 sensor driver.
- Handle clk, gpios and power routines
- Register async subdev
- Remove deprecated g/s_mbus_config operations
- Remove driver flags
- Change driver interface and add kernel doc
- Adjust build system
- Fix code style issues reported by checkpatch in strict mode
This commit does not remove the original soc_camera based driver as long
as other platforms depends on soc_camera framework.
As I don't have access to a working camera module, this change has only
been compile tested.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
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Meson doesn't seem to be able to generate timeout events in hardware. So
install a software timer to generate the timeout events required by the
decoders to prevent "ghost keypresses".
Reported-by: Matthias Reichl <hias@horus.com>
Tested-by: Matthias Reichl <hias@horus.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
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The v4l2_subdev core s_power op was used for two different things: power on/off
sensors or video decoders/encoders and to put a tuner in standby (and only the
tuner!). There is no 'tuner wakeup' op, that's done automatically when the tuner
is accessed.
The danger with calling (s_power, 0) to put a tuner into standby is that it is
usually broadcast for all subdevs. So a video receiver subdev that supports
s_power will also be powered off, and since there is no corresponding (s_power, 1)
they will never be powered on again.
In addition, this is specifically meant for tuners only since they draw the most
current.
This patch adds a new tuner op called 'standby' and replaces all calls to
(core, s_power, 0) by (tuner, standby). This prevents confusion between the two
uses of s_power. Note that there is no overlap: bridge drivers either just want
to put the tuner into standby, or they deal with powering on/off sensors. Never
both.
This also makes it easier to replace s_power for the remaining bridge drivers
with some PM code later.
Whether we want something cleaner for tuners in the future is a separate topic.
There is a lot of legacy code surrounding tuners, and I am very hesitant about
making changes there.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
Driver writers can benefit in knowing if/when callbacks are called in
interrupt context. But it is not completely obvious here, so document
it.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Pawel Osciak <pawel@osciak.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
VB2_BUF_STATE_REQUEUEING is accepted by vb2_buffer_done() but not
documented, so add it along with notes about calls in interrupt
context.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Pawel Osciak <pawel@osciak.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
Documentation about what start_streaming() should do on failure are
scattered in two places and mostly duplicated, so consolidate them in
one of the two places.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Pawel Osciak <pawel@osciak.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
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v4l2_find_nearest_format is not useful for drivers in finding the best
matching format as it assumes a V4L2 specific struct. Drivers will use
v4l2_find_nearest_size instead.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
Add a function (as well as a helper macro) to obtain the best size in a
list of device specific sizes. This helps writing drivers as well as
aligns interface behaviour across drivers.
The struct in which this information is contained in is typically specific
to the driver, therefore the existing function v4l2_find_nearest_format()
does not address the need.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
This makes it possible to use the various iMON remotes with any raw IR
RC device.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
Note that the stick on the remote is not supported yet.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
There are several undocumented v4l2-subdev functions that are
part of kAPI. Document them.
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
X-Virus-Scanned: Debian amavisd-new at dev.s-opensource.com
media: v4l2-subdev: get rid of __V4L2_SUBDEV_MK_GET_TRY() macro
The __V4L2_SUBDEV_MK_GET_TRY() macro is used to define
3 functions that have the same arguments. The code of those
functions is simple enough to just declare them, de-obfuscating
the code.
While here, replace BUG_ON() by WARN_ON() as there's no reason
why to panic the Kernel if this fails.
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
Not sure why, but, on ia64, with Linaro's gcc 7.3 compiler,
using #ifdef (CONFIG_I2C) is not OK.
So, replace it by IS_ENABLED(CONFIG_I2C), in order to fix the
builds there.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
The dvb_attach()/dvb_detach() methods are ugly hacks designed
to keep using the I2C low-level API. The proper way is to
do I2C bus bindings instead.
Several modules were already converted to use it. Yet,
it is painful to use it, as lots of code need to be
duplicated.
Make it easier by providing two new helper functions:
- dvb_module_probe()
- dvb_module_release()
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
|
|
* commit 'v4.16-rc4~0': (900 commits)
Linux 4.16-rc4
memremap: fix softlockup reports at teardown
libnvdimm: re-enable deep flush for pmem devices via fsync()
MAINTAINERS: take over Kconfig maintainership
vfio: disable filesystem-dax page pinning
kconfig: fix line number in recursive inclusion error message
Coccinelle: memdup: Fix typo in warning messages
i2c: octeon: Prevent error message on bus error
parisc: Reduce irq overhead when run in qemu
parisc: Use cr16 interval timers unconditionally on qemu
parisc: Check if secondary CPUs want own PDC calls
parisc: Hide virtual kernel memory layout
parisc: Fix ordering of cache and TLB flushes
kconfig: Update ncurses package names for menuconfig
kbuild/kallsyms: trivial typo fix
kbuild: test --build-id linker flag by ld-option instead of cc-ldoption
kbuild: drop superfluous GCC_PLUGINS_CFLAGS assignment
kconfig: Don't leak choice names during parsing
sh: fix build error for empty CONFIG_BUILTIN_DTB_SOURCE
kconfig: set SYMBOL_AUTO to the symbol marked with defconfig_list
...
|
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Remove soc_camera framework dependencies from tw9910 sensor driver.
- Handle clock and gpios
- Register async subdevice
- Remove soc_camera specific g/s_mbus_config operations
- Add kernel doc to driver interface header file
- Adjust build system
This commit does not remove the original soc_camera based driver as long
as other platforms depends on soc_camera-based CEU driver.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Remove soc_camera framework dependencies from ov772x sensor driver.
- Handle clock and gpios
- Register async subdevice
- Remove soc_camera specific g/s_mbus_config operations
- Change image format colorspace from JPEG to SRGB as the two use the
same colorspace information but JPEG makes assumptions on color
components quantization that do not apply to the sensor
- Remove sizes crop from get_selection as driver can't scale
- Add kernel doc to driver interface header file
- Adjust build system
This commit does not remove the original soc_camera based driver as long
as other platforms depends on soc_camera-based CEU driver.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add renesas-ceu header file.
Do not remove the existing sh_mobile_ceu.h one as long as the original
driver does not go away.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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v4l2_fh.h uses the IS_ENABLED() macro and thus should include kconfig.h.
Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The __v4l2_ctrl_modify_range is the unlocked variant, so the comment about
taking a lock is obviously wrong.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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A recent change to the media_entity_to_video_device() macro breaks some
use-cases for the macro due to a symbol collision. Before the change
this worked:
vdev = media_entity_to_video_device(link->sink->entity);
While after the change it results in a compiler error "error: 'struct
video_device' has no member named 'link'; did you mean 'lock'?". While
the following still works after the change.
struct media_entity *entity = link->sink->entity;
vdev = media_entity_to_video_device(entity);
Fix the collision by renaming the macro argument to '__entity'.
Fixes: 69b925c5fc36d8f1 ("media: v4l2-dev.h: add kernel-doc to two macros")
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Now that we have support for a buffer counter and for
error flags, update them at DMX_DQBUF.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Some conditions required for DVB mmap support to work are reversed.
Also, the logic is not too clear.
So, improve the logic, making it easier to be handled.
PS.: I'm pretty sure that I fixed it while testing, but, somehow,
the change got lost.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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CONFIG_DVB_MMAP was misspelled either as CONFIG_DVB_MMSP
or DVB_MMAP, so it had no effect at all. This fixes that,
to make it possible to build it again.
Fixes: 4021053ed52d ("media: dvb-core: make DVB mmap API optional")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add support for the TDA1997x HDMI receivers.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
[hans.verkuil@cisco.com: fix type 'testin' -> 'testing']
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add the v4l2_hdmi_colorimetry() function so we have a single function
that determines the colorspace, YCbCr encoding, quantization range and
transfer function from the InfoFrame data.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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