[alsa-devel] [PATCH][RESEND] ALSA: Add SNDRV_PCM_STATE_PAUSED case in wait_for_avail function

[Takashi Iwai]

At Tue, 17 Dec 2013 23:02:24 +0900 (KST),
JongHo Kim wrote:
> 
> When the process is sleeping at the SNDRV_PCM_STATE_PAUSED
> state from the wait_for_avail function, the sleep process will be woken by
> timeout(10 seconds). Even if the sleep process wake up by timeout, by this
> patch, the process will continue with sleep and wait for the other state.
> 
> Signed-off-by: JongHo Kim <furmuwon at gmail.com>

Hrm, still I couldn't apply it cleanly.  Did you test whether git-am
works with your mail?

Anyways, I applied it manually since it's just two liners.


thanks,

Takashi

> ---
>   sound/core/pcm_lib.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
> index 6e03b46..a210467 100644
> --- a/sound/core/pcm_lib.c
> +++ b/sound/core/pcm_lib.c
> @@ -1937,6 +1937,8 @@ static int wait_for_avail(struct snd_pcm_substream *substream,
>   		case SNDRV_PCM_STATE_DISCONNECTED:
>   			err = -EBADFD;
>   			goto _endloop;
> +		case SNDRV_PCM_STATE_PAUSED:
> +			continue;
>   		}
>   		if (!tout) {
>   			snd_printd("%s write error (DMA or IRQ trouble?)\n",
> -- 
> 1.8.1.2
>