[ALSA] s3c24xx-pcm: fix hw_params dma handling

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Since the PCM emulation can call multiple times to hw_setup(), but we
can only once allocate/request the DMA channel, we have to handle
this gracefully.

Signed-off-by: Harald Welte <laforge@openmoko.org>
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

...

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Harald Welte 2007-07-24 12:49:39 +02:00 • committed by Jaroslav Kysela

parent fca7f38892

commit 646ab160ff

1 changed files with 13 additions and 9 deletions

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sound/soc/s3c24xx/s3c24xx-pcm.c

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