ALSA: line6: Let snd_card_new() allocate private data

Instead of allocating the private data individually in each driver's
probe at first, let snd_card_new() allocate the data that is ca

ALSA: line6: Let snd_card_new() allocate private data

Instead of allocating the private data individually in each driver's
probe at first, let snd_card_new() allocate the data that is called in
line6_probe(). This simplifies the primary probe functions.

Tested-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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ALSA: line6: Drop interface argument from private_init and disconnect callbacks

The interface argument is used just for retrieving the assigned
device, which can be already found in line

ALSA: line6: Drop interface argument from private_init and disconnect callbacks

The interface argument is used just for retrieving the assigned
device, which can be already found in line6->ifcdev. Drop them from
the callbacks. Also, pass the usb id to private_init so that the
driver can deal with it there. This is a preliminary work for the
further cleanup to move the whole allocation into driver.c.

Tested-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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ALSA: line6: Remove superfluous NULL checks in each driver

The interface and driver objects are always set when callbacks are
called. Drop such superfluous NULL checks in init and disco

ALSA: line6: Remove superfluous NULL checks in each driver

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>

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ALSA: line6: Remove driver version from header comment

The driver version string was removed in an ealier commit for being
useless. These are equally useless.

Signed-off-by: Ch

ALSA: line6: Remove driver version from header comment

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>

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ALSA: line6: Refer to manufacturer as "Line 6"

The correct spelling includes the space. Fix this in strings and
comments that refer to the manufacturer.

Signed-off-by: Chris Ro

ALSA: line6: Refer to manufacturer as "Line 6"

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>

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ALSA: line6: Remove CHECK_RETURN macro

Such a macro doesn't improve readability.

Tested-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

ALSA: line6: Reorganize card resource handling

This is a fairly big rewrite regarding the card resource management in
line6 drivers:

- The card creation is moved into line6_prob

ALSA: line6: Reorganize card resource handling

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>

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ALSA: line6: Drop invalid SNDRV_PCM_INFO_RESUME flag

The line6 drivers don't support the full resume although they set
SNDRV_PCM_INFO_RESUME. These flags have to be dropped to inform

ALSA: line6: Drop invalid SNDRV_PCM_INFO_RESUME flag

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>

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ALSA: line6: Split to each driver

Split to each individual driver for POD, PODHD, TonePort and Variax
with a core LINE6 helper module. The new modules follow the standard
ALSA namin

ALSA: line6: Split to each driver

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>

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ALSA: move line6 usb driver into sound/usb

Promote line6 driver from staging to sound/usb/line6 directory, and
maintain through sound subsystem tree.

This commit just moves the

ALSA: move line6 usb driver into sound/usb

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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