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path: root/sound/usb/line6
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2015-01-28ALSA: line6: Don't forget to call driver's destructor at error pathTakashi Iwai
Currently disconnect callback is used as a driver's destructor, and this has to be called not only at the disconnection time but also at the error paths during probe. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-28ALSA: line6/toneport: Move setup_timer() at the beginningTakashi Iwai
... so that timer_del_sync() in the destructor can be called safely at any time. Also move the mod_timer() call in toneport_setup(), which is a bit clearer place. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-28ALSA: line6: Remove superfluous NULL checks in each driverTakashi Iwai
The interface and driver objects are always set when callbacks are called. Drop such superfluous NULL checks in init and disconnect calls of each driver. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-28ALSA: line6: Abort if inconsistent usbdev is found at disconnectTakashi Iwai
It's utterly unsafe to proceed further the disconnect procedure if the assigned usbdev is inconsistent with the expected object. Better to put a WARN_ON() for more cautions and abort immediately. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-28ALSA: line6: Yet more cleanup of superfluous NULL checksTakashi Iwai
... in line6_disconnect() as well. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Remove driver version from header commentChris Rorvick
The driver version string was removed in an ealier commit for being useless. These are equally useless. Signed-off-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Refer to manufacturer as "Line 6"Chris Rorvick
The correct spelling includes the space. Fix this in strings and comments that refer to the manufacturer. Signed-off-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Remove superfluous NULL checksChris Rorvick
Signed-off-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Drop line6_send_program() and line6_transmit_parameter()Takashi Iwai
Both functions are used nowhere. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Make line6_send_raw_message() staticTakashi Iwai
It's used only locally. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Sync PCM stop at disconnectTakashi Iwai
Call line6_pcm_disconnect() at disconnect to make sure that all URBs are cleared. Also reduce the superfluous snd_pcm_stop() calls from the function (and remove the unused function) since the streams are guaranteed to be stopped at this point via snd_card_disconnect(). Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Remove superfluous disconnect call in suspend handlerTakashi Iwai
Calling line6_pcm_disconnect() at suspend callback is superfluous and rather confusing. Let's get rid of it. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Remove CHECK_RETURN macroTakashi Iwai
Such a macro doesn't improve readability. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Drop MISSING_CASE macroTakashi Iwai
Such a debug is needed in the core code, not in each lowlevel driver. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Remove driver version stringTakashi Iwai
This is rather useless for a driver that has been already merged into the official tree. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Reorganize card resource handlingTakashi Iwai
This is a fairly big rewrite regarding the card resource management in line6 drivers: - The card creation is moved into line6_probe(). This adds the global destructor to private_free, so that each driver doesn't have to call it any longer. - The USB disconnect callback handles the card release, thus each driver needs to concentrate on only its own resources. No need to snd_card_*() call in the destructor. - Fix the potential stall in disconnection by removing snd_card_free(). It's replaced with snd_card_free_when_closed() for asynchronous release. - The only remaining operation for the card in each driver is the call of snd_card_register(). All the rest are dealt in the common module by itself. - These ended up with removal of audio.[ch] as a result of a reduction of one layer. Each driver just needs to call line6_probe(). Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Drop superfluous irqsave/irqrestore in PCM trigger callbackTakashi Iwai
The PCM trigger callback is guaranteed to be called already in spinlock / irq-disabled context. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Don't handle PCM trigger for other cardsTakashi Iwai
Otherwise it oopses. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Remove superfluous out-of-memory error messagesTakashi Iwai
Kernel already shows the error in the common path. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Drop usb_device sysfs symlinkTakashi Iwai
It's non-standard and rather superfluous. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Drop invalid SNDRV_PCM_INFO_RESUME flagTakashi Iwai
The line6 drivers don't support the full resume although they set SNDRV_PCM_INFO_RESUME. These flags have to be dropped to inform properly to the user-space. Also, drop the CONFIG_PM in trigger callbacks, too, which are rather superfluous. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Drop superfluous snd_device for rawmidiTakashi Iwai
Like the previous fix for PCM, attach the card-specific resource into rawmidi->private_data instead of handling in a snd_device object. This simplifies the code and structure. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Drop superfluous snd_device for PCMTakashi Iwai
Instead of handling the card-specific resource in snd_device, attach it into pcm->private_data and release it directly in private_free. This simplifies the code and structure. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Handle impulse response via control APITakashi Iwai
Instead of sysfs and the conditional build with Kconfig, implement the handling of the impulse response controls via control API, and always enable the build. Two new controls, "Impulse Response Volume" and "Impulse Response Period" are added as a replacement for the former sysfs files. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-20ALSA: line6: Split to each driverTakashi Iwai
Split to each individual driver for POD, PODHD, TonePort and Variax with a core LINE6 helper module. The new modules follow the standard ALSA naming rule with snd prefix: snd-usb-pod, snd-usb-podhd, snd-usb-toneport and snd-usb-variax, together with the corresponding CONFIG_SND_USB_* Kconfig items. Tested-by: Chris Rorvick <chris@rorvick.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-19ALSA: line6: Use setup_timer() and mod_timer()Takashi Iwai
No functional change, refactoring with the standard helpers. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-12ALSA: move line6 usb driver into sound/usbTakashi Iwai
Promote line6 driver from staging to sound/usb/line6 directory, and maintain through sound subsystem tree. This commit just moves the code and adapts Makefile / Kconfig. The further renames and misc cleanups will follow. Signed-off-by: Takashi Iwai <tiwai@suse.de>
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