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git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver fix from Darren Hart:
"Fix regression caused by hotkey enabling value in toshiba_acpi"
* tag 'platform-drivers-x86-v4.6-3' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
toshiba_acpi: Fix regression caused by hotkey enabling value
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Commit 52cbae0127ad ("toshiba_acpi: Change default Hotkey enabling value")
changed the hotkeys enabling value, as it was the same value Windows uses,
however, it turns out that the value tells the EC that the driver will now
take care of the hardware events like the physical RFKill switch or the
pointing device toggle button.
This patch reverts such commit by changing the default hotkey enabling
value to 0x09, which enables hotkey events only, making the hardware
buttons working again.
Fixes bugs 113331 and 114941.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver fixes from Darren Hart:
"An S4 fix for intel-hid, new platform 'quirk' for hp_accel, a fix for
broader support of ACPI resources for the Intel P-unit, and a few
uninitialized variable fixes.
intel p-unit:
- decouple telemetry driver from the optional IPC resources
thinkpad_acpi:
- Silence an uninitialized variable warning
intel_telemetry_pltdrv:
- Silence an uninitialized variable warning
hp_accel:
- Silence an uninitialized variable warning
- Add support for HP ProBook 440 G3
intel-hid:
- add a workaround to ignore an event after waking up from S4"
* tag 'platform-drivers-x86-v4.6-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
platform:x86 decouple telemetry driver from the optional IPC resources
thinkpad_acpi: Silence an uninitialized variable warning
intel_telemetry_pltdrv: Silence an uninitialized variable warning
hp_accel: Silence an uninitialized variable warning
hp_accel: Add support for HP ProBook 440 G3
intel-hid: add a workaround to ignore an event after waking up from S4.
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Currently the optional IPC resources prevent telemetry driver from
probing if these resources are not in ACPI table. This patch decouples
telemetry driver from these optional resources, so that telemetry driver
has dependency only on the necessary ACPI resources.
Signed-off-by: Aubrey Li <aubrey.li@linux.intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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If fan_get_status() fails then "s" is not initialized. Tweak the error
handling a bit to silence this warning.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Presumably "pss_period" and "ioss_period" can't both be zero, but this
function is never called so we can't infer that using static analysis
alone.
Silence the warning by setting "ret" to zero.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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If acpi_evaluate_integer() fails then "lret" isn't initialized. I've
tweaked the error handling to avoid this issue.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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HP ProBook 440 G3 laptop needs a non-standard mapping (x_inverted_usd).
Signed-off-by: Martin Vajnar <martin.vajnar@gmail.com>
Acked-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Commit d4edcf0d5695 ("mm/gup: Switch all callers of get_user_pages() to
not pass tsk/mm") switched get_user_pages() callers to the simpler model
where they no longer pass in the thread and mm pointer. But since then
we've merged changes to a few drivers that re-introduce use of the old
interface. Let's fix them up.
They continued to work fine (thanks to the truly disgusting macros
introduced in commit cde70140fed8: "mm/gup: Overload get_user_pages()
functions"), but cause unnecessary build noise.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is the same as the original workaround from S3 but for S4. Without
this workaround, a rfkill event will be received and it will toggle
wireless devices when radio hotkey is not pressed.
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
"Significant refactoring of Dell laptop drivers, modularizing the
smbios code. Multiple new platforms added for ideapad, asus, dell,
and alienware using existing quirks. A few fixes and cleanups.
hp-wmi:
- Remove GPS rfkill support via pre-2009 interface
- fix unregister order in hp_wmi_rfkill_setup() once again
ideapad-laptop:
- Add ideapad Y700 (15) to the no_hw_rfkill DMI list
fujitsu-laptop:
- Support radio toggle button
intel-hid:
- allocate correct amount of memory for private struct
platform/x86:
- Make intel_scu_ipc explicitly non-modular
intel_pmc_ipc:
- Avoid pending IPC1 command during legacy suspend
- Fix GCR register base address and length
asus-nb-wmi:
- add wapf=4 quirk for ASUS X75VD
intel_telemetry_pltdrv:
- Change verbosity control bits
dell-rbtn:
- Add a comment about the XPS 13 9350
dell-wmi, dell-laptop:
- depends DMI
dell-wmi:
- support Dell Inspiron M5110
- properly process Dell Instant Launch hotkey
- enable receiving WMI events on Dell Vostro V131
- Support new hotkeys on the XPS 13 9350 (Skylake)
- Clean up hotkey table size check
- Stop storing pointers to DMI tables
dell-laptop:
- move dell_smi_error() to dell-smbios
- use dell_smbios_find_token() instead of find_token_location()
- use dell_smbios_find_token() instead of find_token_id()
- extract SMBIOS-related code to a separate module
dell-smbios:
- rename dell_smi_error() to dell_smbios_error()
- make da_tokens static
- remove find_token_{id,location}()
- implement new function for finding DMI table 0xDA tokens
- make the SMBIOS buffer static
- return the SMBIOS buffer from dell_smbios_get_buffer()
- don't return an SMBIOS buffer from dell_smbios_send_request()
- don't pass an SMBIOS buffer to dell_smbios_send_request()
- rename dell_send_request() to dell_smbios_send_request()
- rename release_buffer() to dell_smbios_release_buffer()
- rename clear_buffer() to dell_smbios_clear_buffer()
- rename get_buffer() to dell_smbios_get_buffer()
dell-led:
- use dell_smbios_send_request() for performing SMBIOS calls
- use dell_smbios_find_token() for finding mic DMI tokens
toshiba_acpi:
- Add a module parameter to disable hotkeys registration
- Add sysfs entries for the Cooling Method feature
- Add support for cooling method feature
Documentation/ABI:
- Update sysfs-driver-toshiba_acpi file
thinkpad_acpi:
- Remove ambiguous logging for "Unsupported brightness interface"
alienware-wmi:
- whitespace improvements
- Add support for two new systems: ASM200 and ASM201.
- Add support for deep sleep control.
- Add initial support for alienware graphics amplifier.
- Add support for new platform: X51-R3
- Clean up whitespace for ASM100 platform"
* tag 'platform-drivers-x86-v4.6-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (47 commits)
hp-wmi: Remove GPS rfkill support via pre-2009 interface
hp-wmi: fix unregister order in hp_wmi_rfkill_setup() once again
dell-wmi: support Dell Inspiron M5110
dell-wmi: properly process Dell Instant Launch hotkey
dell-wmi: enable receiving WMI events on Dell Vostro V131
dell-smbios: rename dell_smi_error() to dell_smbios_error()
dell-laptop: move dell_smi_error() to dell-smbios
ideapad-laptop: Add ideapad Y700 (15) to the no_hw_rfkill DMI list
fujitsu-laptop: Support radio toggle button
intel-hid: allocate correct amount of memory for private struct
platform/x86: Make intel_scu_ipc explicitly non-modular
intel_pmc_ipc: Avoid pending IPC1 command during legacy suspend
intel_pmc_ipc: Fix GCR register base address and length
asus-nb-wmi: add wapf=4 quirk for ASUS X75VD
intel_telemetry_pltdrv: Change verbosity control bits
dell-rbtn: Add a comment about the XPS 13 9350
dell-wmi: Support new hotkeys on the XPS 13 9350 (Skylake)
dell-wmi: Clean up hotkey table size check
dell-wmi, dell-laptop: depends DMI
dell-wmi: Stop storing pointers to DMI tables
...
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GPS rfkill support via pre-2009 WMI interface uses hp_wmi_get_sw_state()
and hp_wmi_get_hw_state() to query its current hard and soft block state,
respectively.
In hp_wmi_get_sw_state() a mask is calculated which bit should be checked
in an int value returned by firmware to get current block state: 0x200 <<
(r * 8) which with r being 3 for GPS results in overflow and mask of zero.
The same goes for hp_wmi_get_hw_state().
This effectively means that GPS rfkill on this WMI interface is considered
always both hard and soft blocked.
Unfortunately, later when rfkill subsystem calls hp_wmi_set_block() to sync
this block to hardware firmware at least on my old nc6400 gets confused and
sets both hard and soft blocks on WiFi and BT.
This happens for example on hp-wmi module load.
Since due to overflow described above it is dubious that this ever worked
correctly and HP laptops with modems having GPS support seem to all have
been released well past year 2009 let's just remove GPS rfkill support via
pre-2009 WMI interface.
Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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rfkill registration order in hp_wmi_rfkill_setup() is:
1) WiFi,
2) BT,
3) WWAN,
5) GPS.
Unregistration when cleaning up on error return should happen in reverse
order.
This means that: If BT rfkill fails to be allocated we possibly need to
first unregister WiFi rfkill before destroying it.
The same goes with (WWAN, BT) and (GPS, WWAN) pairs.
Also, if WWAN rfkill fails to register we need to (possibly) unregister BT
not the GPS one. And if GPS rfkill fails to register we need to unregister
WWAN not the BT one.
We never need to unregister GPS rfkill here since if GPS rfkill
registration succeeds this function returns without error so no cleanup is
necessary.
Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Similarly to Dell Vostro V131, Dell Inspiron M5110 also requires an
SMBIOS request to be issued in order for WMI events to be generated and
does not raise an i8042 interrupt when the Dell Instant Launch hotkey is
pressed. However, the event code for that hotkey on this machine is
0xe029, so add it to the legacy keymap.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Tested-by: Darek Stojaczyk <darek.stojaczyk@gmail.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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On models on which an SMBIOS request needs to be issued in order for WMI
events to be generated, pressing the Dell Instant Launch hotkey does not
raise an i8042 interrupt - only a WMI event is generated (0xe025 on Dell
Vostro V131). As that WMI event is the only way the kernel will be
notified about pressing the Dell Instant Launch hotkey on such machines,
the relevant keymap entry has to be changed to a KE_KEY one. However,
the same WMI event should still be ignored on machines which do not
require an SMBIOS request for enabling WMI, so filter it conditionally
in dell_wmi_process_key().
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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On some laptop models (e.g. Dell Vostro V131), WMI events are not
generated until a specific SMBIOS request is issued to register an event
listener [1]. As there seems to be no ACPI method or SMBIOS request to
determine without possible side effects whether a given machine needs to
issue this SMBIOS request in order to receive WMI events, DMI matching
is used to whitelist the models which need it.
[1] https://lists.us.dell.com/pipermail/libsmbios-devel/2015-July/000612.html
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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As dell_smi_error() is exported by dell-smbios, its prefix should be
consistent with other exported symbols, so change function name to
dell_smbios_error().
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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The dell_smi_error() method could be used by modules other than
dell-laptop for convenient translation of SMBIOS request errors into
errno values. Thus, move it to dell-smbios.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Some Lenovo ideapad models lack a physical rfkill switch.
On Lenovo models ideapad Y700 Touch-15ISK and ideapad Y700-15ISK,
ideapad-laptop would wrongly report all radios as blocked by
hardware which caused wireless network connections to fail.
Add these models without an rfkill switch to the no_hw_rfkill list.
Signed-off-by: John Dahlstrom <jodarom@sdf.org>
Cc: <stable@vger.kernel.org> # 3.17.x-: 4fa9dab: ideapad_laptop: Lenovo G50-30 fix rfkill reports wireless blocked
Cc: <stable@vger.kernel.org>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Lifebook E734/E744/E754 has a radio toggle button which uses code 0x420.
Map it to KEY_RFKILL.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Acked-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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We want the size of the struct, not of a pointer to it. To be future
proof, just dereference the pointer to get the desired type.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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The Kconfig currently controlling compilation of this code is:
drivers/platform/x86/Kconfig:config INTEL_SCU_IPC
drivers/platform/x86/Kconfig: bool "Intel SCU IPC Support"
...meaning that it currently is not being built as a module by anyone.
Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.
We explicitly disallow a driver unbind, since that doesn't have a
sensible use case anyway, and it allows us to drop the ".remove"
code for non-modular drivers.
Since module_pci_driver() uses the same init level priority as
builtin_pci_driver() the init ordering remains unchanged with
this commit.
Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
We don't replace module.h with init.h since the file already has that.
We also delete the MODULE_LICENSE tag etc. since all that information
is already contained at the top of the file in the comments.
Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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During legacy suspend flow, IPC1 commands are being requested
from opregion driver. But the PMC_IPC1 command will timeout as example:
[ 281.444600] ipc_debug##: ipc_send_command: cmd=0x201ff,
[ 281.444648] wbuf[0]=0x4ea6
[ 281.444668] wbuf[1]=0x0
[ 281.444674] wbuf[2]=0x0
[ 281.444676] wbuf[3]=0x0
[ 284.446467] pmc-ipc-plat INT34D2:00: IPC timed out, TS=0x4, CMD=0x200ff
This is because before the opregion driver could send IPC1 commands,
the PMC_IPC irq is already suspended. Which makes the IPC command to
timeout.
Solution: register pmc_ipc irq as IRQF_NO_SUSPEND
Signed-off-by: Ananth Krishna R <ananth.krishna.r@intel.com>
Signed-off-by: Bharath K Veera <bharath.k.veera@intel.com>
Signed-off-by: Qipeng Zha <qipeng.zha@intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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GCR register (pmc_cfg register) is at offset 0x1008, and
remapping of 0x4 bytes is enough.
Signed-off-by: Francois-Nicolas Muller <francois-nicolas.muller@intel.com>
Signed-off-by: Qipeng Zha <qipeng.zha@intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Wi-Fi on ASUS X75VD laptop does not work unless asus_nb_wmi module
is loaded with wapf=4 option. Add quirk for this.
Signed-off-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Due to a recent fix in the firmware, the Punit verbosity control bits
now adhere to the correct pattern. Hence remove the workaround and
do a read-modify-write of the register.
Signed-off-by: Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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On the XPS 13 9350, the dell-rbtn mechanism has a new device id, and
the DSDT turns it off if a new enough _OSI is supported. Add a
comment about why we don't bother supporting it.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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The XPS 13 9350 sends WMI keypress events that aren't enumerated in
the DMI table. Add a table listing them. To avoid breaking things
that worked before, these un-enumerated hotkeys won't be used if the
DMI table maps them to something else.
FWIW, it appears that the DMI table may be a legacy thing and we
might want to rethink how we handle events in general. As an
example, a whole lot of things map to KEY_PROG3 via the DMI table.
This doesn't send keypress events for any of the new events. They
appear to all be handled by other means (keyboard illumination is
handled automatically and rfkill is handled by intel-hid).
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Checking the table for a minimum size of 7 bytes makes no sense: any valid
hotkey table has a size that's a multiple of 4.
Clean this up: replace the hardcoded header length with a sizeof and
change the check to ignore an empty hotkey table. The only behavior
change is that a 7-byte table (which is nonsensical) will now be
treated as absent instead of as valid but empty.
Reported-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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dell-wmi and dell-laptop will compile but won't work right if DMI
isn't selected.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
[arnd: Use depends instead of selects to avoid recursive dependencies]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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The dmi_walk function maps the DMI table, walks it, and unmaps it.
This means that the dell_bios_hotkey_table that find_hk_type stores
points to unmapped memory by the time it gets read.
I've been able to trigger crashes caused by the stale pointer a
couple of times, but never on a stock kernel.
Fix it by generating the keymap in the dmi_walk callback instead of
storing a pointer.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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As dell-laptop has been changed to use dell_smbios_find_token() instead
of directly accessing members of the da_tokens table, the latter can be
marked static.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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As dell-laptop has been changed to use dell_smbios_find_token() instead
of find_token_id() and find_token_location(), these functions can be
safely removed.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Replace all uses of find_token_location() with dell_smbios_find_token()
to avoid directly accessing the da_tokens table.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Replace all uses of find_token_id() with dell_smbios_find_token() to
avoid directly accessing the da_tokens table.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Ultimately, the da_tokens table should not be exported from dell-smbios.
Currently, in some cases, dell-laptop accesses that table's members
directly, so implement a new function, dell_smbios_find_token(), which
returns a pointer to an entry inside the da_tokens table with the given
token ID (or NULL if it is not found).
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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As dell-laptop has been changed to always retrieve a pointer to the
SMBIOS buffer using dell_smbios_get_buffer(), the SMBIOS buffer can be
marked static.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Ultimately, the SMBIOS buffer should not be exported from dell-smbios.
Currently, dell-laptop accesses it directly using a global variable, so
make dell_smbios_get_buffer() return a pointer to the SMBIOS buffer and
replace all uses of the global variable with local variables.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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An SMBIOS buffer pointer does not need to be returned by
dell_smbios_send_request(), because SMBIOS call results are stored in
the buffer exported by the module.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Passing an SMBIOS buffer pointer to dell_smbios_send_request() is
redundant as it should always operate on the SMBIOS buffer exported from
the module.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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As dell_send_request() is exported from the module, its prefix should be
consistent with other exported symbols, so change function name to
dell_smbios_send_request().
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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As release_buffer() is exported from the module, it has to be renamed to
something less generic, so add a "dell_smbios_" prefix to the function
name.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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As clear_buffer() is exported from the module, it has to be renamed to
something less generic, so add a "dell_smbios_" prefix to the function
name.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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As get_buffer() is exported from the module, it has to be renamed to
something less generic, so add a "dell_smbios_" prefix to the function
name.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Extract SMBIOS-related code from dell-laptop to a new kernel module,
dell-smbios. The static specifier is removed from exported symbols,
otherwise code is just moved around.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
[dvhart: Include linux/io.h in dell-smbios.c as caught by lkp]
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Some laptop models have working hotkeys without the need of the driver
to activate them.
This patch adds a module parameter to tell the driver not to register
the hotkeys.
The new parameter is useful in DE less installations or where the DE
does not handle the hotkeys (see bug 99501).
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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This patch adds the sysfs entry
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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This patch adds support to query and set the "Cooling Method" feature,
which basically changes how the system fan behaves, depending on the
supported cooling methods.
Depending on the laptop model, these are the (so far...) available
cooling methods:
- Maximum Performance
- Performance
- Battery Optimized
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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"Unsupported brightness interface" message gets logged on
machines that are well supported.
Signed-off-by: Eric Curtin <ericcurtin17@gmail.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Pull drm updates from Dave Airlie:
"This is the main drm pull request for 4.6 kernel.
Overall the coolest thing here for me is the nouveau maxwell signed
firmware support from NVidia, it's taken a long while to extract this
from them.
I also wish the ARM vendors just designed one set of display IP, ARM
display block proliferation is definitely increasing.
Core:
- drm_event cleanups
- Internal API cleanup making mode_fixup optional.
- Apple GMUX vga switcheroo support.
- DP AUX testing interface
Panel:
- Refactoring of DSI core for use over more transports.
New driver:
- ARM hdlcd driver
i915:
- FBC/PSR (framebuffer compression, panel self refresh) enabled by default.
- Ongoing atomic display support work
- Ongoing runtime PM work
- Pixel clock limit checks
- VBT DSI description support
- GEM fixes
- GuC firmware scheduler enhancements
amdkfd:
- Deferred probing fixes to avoid make file or link ordering.
amdgpu/radeon:
- ACP support for i2s audio support.
- Command Submission/GPU scheduler/GPUVM optimisations
- Initial GPU reset support for amdgpu
vmwgfx:
- Support for DX10 gen mipmaps
- Pageflipping and other fixes.
exynos:
- Exynos5420 SoC support for FIMD
- Exynos5422 SoC support for MIPI-DSI
nouveau:
- GM20x secure boot support - adds acceleration for Maxwell GPUs.
- GM200 support
- GM20B clock driver support
- Power sensors work
etnaviv:
- Correctness fixes for GPU cache flushing
- Better support for i.MX6 systems.
imx-drm:
- VBlank IRQ support
- Fence support
- OF endpoint support
msm:
- HDMI support for 8996 (snapdragon 820)
- Adreno 430 support
- Timestamp queries support
virtio-gpu:
- Fixes for Android support.
rockchip:
- Add support for Innosilicion HDMI
rcar-du:
- Support for 4 crtcs
- R8A7795 support
- RCar Gen 3 support
omapdrm:
- HDMI interlace output support
- dma-buf import support
- Refactoring to remove a lot of legacy code.
tilcdc:
- Rewrite of pageflipping code
- dma-buf support
- pinctrl support
vc4:
- HDMI modesetting bug fixes
- Significant 3D performance improvement.
fsl-dcu (FreeScale):
- Lots of fixes
tegra:
- Two small fixes
sti:
- Atomic support for planes
- Improved HDMI support"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (1063 commits)
drm/amdgpu: release_pages requires linux/pagemap.h
drm/sti: restore mode_fixup callback
drm/amdgpu/gfx7: add MTYPE definition
drm/amdgpu: removing BO_VAs shouldn't be interruptible
drm/amd/powerplay: show uvd/vce power gate enablement for tonga.
drm/amd/powerplay: show uvd/vce power gate info for fiji
drm/amdgpu: use sched fence if possible
drm/amdgpu: move ib.fence to job.fence
drm/amdgpu: give a fence param to ib_free
drm/amdgpu: include the right version of gmc header files for iceland
drm/radeon: fix indentation.
drm/amd/powerplay: add uvd/vce dpm enabling flag to fix the performance issue for CZ
drm/amdgpu: switch back to 32bit hw fences v2
drm/amdgpu: remove amdgpu_fence_is_signaled
drm/amdgpu: drop the extra fence range check v2
drm/amdgpu: signal fences directly in amdgpu_fence_process
drm/amdgpu: cleanup amdgpu_fence_wait_empty v2
drm/amdgpu: keep all fences in an RCU protected array v2
drm/amdgpu: add number of hardware submissions to amdgpu_fence_driver_init_ring
drm/amdgpu: RCU protected amd_sched_fence_release
...
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