audio: fix earc rx crash warning [1/1]
PD#SWPL-198561
PD#OTT-71761
Problem:
Call trace:
dump_backtrace+0x0/0x1e4
show_stack+0x24/0x34
dump_stack+0xbc/0x108
___might_sleep+0x100/0x110
__might_sleep+0x54/0x98
mutex_lock+0x2c/0x68
snd_pcm_stop_xrun+0x2c/0xb0
earcrx_timer_func+0x94/0xac [snd_soc]
call_timer_fn+0xc0/0x1ac
expire_timers+0x74/0x164
root cause: in spin lock irqsave section code, there is mutex called.
Solution:
1.keep nonatomic as true.
2.trigger xrun in work task, not in timer function.
Verify:
sc2
Change-Id: Idde8f3bce545c55f6a9bf20a6a5903feac290f9e
Signed-off-by: jian zhou <jian.zhou@amlogic.com>
1 file changed