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aha/sound/spi
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Hans-Christian Egtvedt f488d9fcc8 [ALSA] at73c213: replace spinlock in mixer functions with a mutex 
This patch fixes the locking bug in the at73c213 SPI sound driver. This bug was
triggered because spinlocks were wrapped around the spi_sync call which might
sleep. The fix was to add a mutex to the sound driver and replace the spinlocks
in the mixer functions with mutex lock/unlock.
Tested on STK1000/STK1002.

Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2008-01-31 17:29:39 +01:00
..
at73c213.c [ALSA] at73c213: replace spinlock in mixer functions with a mutex 2008-01-31 17:29:39 +01:00
at73c213.h [ALSA] ALSA sound driver for the AT73C213 DAC using Atmel SSC driver 2007-10-16 15:57:50 +02:00
Kconfig [ALSA] ALSA sound driver for the AT73C213 DAC using Atmel SSC driver 2007-10-16 15:57:50 +02:00
Makefile [ALSA] ALSA sound driver for the AT73C213 DAC using Atmel SSC driver 2007-10-16 15:57:50 +02:00