media: em28xx: Clean up ALSA PCM API usages

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With the recent change in ALSA PCM core, the whole open-coded vmalloc
buffer handling in this driver can be dropped by replacing with the
managed buffer allocation.

Also, snd_em28xx_hw_capture_free() is dropped since the check of
stream_started flag makes no sense; hw_free callback is guaranteed to
be called after the stream gets stopped.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

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Takashi Iwai 2019-12-10 14:58:43 +01:00 • committed by Mauro Carvalho Chehab

parent 355b9a0c58

commit 2abb1b2daf

1 changed files with 1 additions and 85 deletions

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drivers/media/usb/em28xx/em28xx-audio.c

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