[alsa-devel] [PATCH] ASoC: Intel: add SNDRV_PCM_INFO_DRAIN_TRIGGER flag

[Yang, Libin]

Hi Takashi & Mark,

This patch is for Takashi's tree.

Regards,
Libin


> -----Original Message-----
> From: Yang, Libin
> Sent: Tuesday, February 17, 2015 12:28 PM
> To: alsa-devel at alsa-project.org; tiwai at suse.de;
> broonie at sirena.org.uk
> Cc: Girdwood, Liam R; Yang, Libin; Jie, Yang
> Subject: [PATCH] ASoC: Intel: add
> SNDRV_PCM_INFO_DRAIN_TRIGGER flag
> 
> From: Libin Yang <libin.yang at intel.com>
> 
> Add SNDRV_PCM_INFO_DRAIN_TRIGGER in snd_pcm_hardware.info
> to
> call sst_hsw_stream_set_silence_start() when PCM draining.
> 
> Signed-off-by: Libin Yang <libin.yang at intel.com>
> ---
>  sound/soc/intel/sst-haswell-pcm.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/sound/soc/intel/sst-haswell-pcm.c b/sound/soc/intel/sst-
> haswell-pcm.c
> index d6fa9d5..7e21e8f 100644
> --- a/sound/soc/intel/sst-haswell-pcm.c
> +++ b/sound/soc/intel/sst-haswell-pcm.c
> @@ -91,7 +91,8 @@ static const struct snd_pcm_hardware
> hsw_pcm_hardware = {
>  				  SNDRV_PCM_INFO_INTERLEAVED |
>  				  SNDRV_PCM_INFO_PAUSE |
>  				  SNDRV_PCM_INFO_RESUME |
> -
> SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
> +
> SNDRV_PCM_INFO_NO_PERIOD_WAKEUP |
> +				  SNDRV_PCM_INFO_DRAIN_TRIGGER,
>  	.formats		= SNDRV_PCM_FMTBIT_S16_LE |
> SNDRV_PCM_FMTBIT_S24_LE |
>  				  SNDRV_PCM_FMTBIT_S32_LE,
>  	.period_bytes_min	= PAGE_SIZE,
> --
> 1.9.1