[alsa-devel] [COMPRESS] [PATCH] ALSA: compress_core: don't return -EBADFD from poll if paused

[Vinod Koul]

On Tue, Oct 22, 2013 at 11:26:48AM +0100, Richard Fitzgerald wrote:
> Pausing audio playback is not an illegal state so it doesn't
> seem sensible for poll() to return -EBADFD on a paused stream.
> There's also no reason to assume that we can't write more data
> to the DSP while playback is paused. Remove the -EBADFD so that
> a stream in paused state will still report the buffer
> availability from poll(). It is up to the user process to
> manage its state so that it knows whether it is paused or not.
> 
> Signed-off-by: Richard Fitzgerald <rf at opensource.wolfsonmicro.com>
Acked-by VInod Koul <vinod.koul at intel.com>

Takashi, looks like I missed checking this earlier..

--
~Vinod
> ---
>  sound/core/compress_offload.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
> 
> diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
> index bea523a..30ca133 100644
> --- a/sound/core/compress_offload.c
> +++ b/sound/core/compress_offload.c
> @@ -384,8 +384,7 @@ static unsigned int snd_compr_poll(struct file *f, poll_table *wait)
>  		return -EFAULT;
>  
>  	mutex_lock(&stream->device->lock);
> -	if (stream->runtime->state == SNDRV_PCM_STATE_PAUSED ||
> -			stream->runtime->state == SNDRV_PCM_STATE_OPEN) {
> +	if (stream->runtime->state == SNDRV_PCM_STATE_OPEN) {
>  		retval = -EBADFD;
>  		goto out;
>  	}
> -- 
> 1.7.2.5
> 

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