[alsa-devel] [PATCH v2 1/2] ALSA: Add params_set_format helper

[Takashi Iwai]

At Sun,  8 Feb 2015 16:01:36 -0800,
yang.a.fang at intel.com wrote:
> 
> From: "Fang, Yang A" <yang.a.fang at intel.com>
> 
> Add a helper to set pcm format directly from params
> 
> Signed-off-by: Fang, Yang A <yang.a.fang at intel.com>
> ---
>  include/sound/pcm_params.h |    7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/include/sound/pcm_params.h b/include/sound/pcm_params.h
> index 6b1c78f..e6fe584 100644
> --- a/include/sound/pcm_params.h
> +++ b/include/sound/pcm_params.h
> @@ -366,4 +366,11 @@ params_physical_width(const struct snd_pcm_hw_params *p)
>  	return snd_pcm_format_physical_width(params_format(p));
>  }
>  
> +static inline void
> +params_set_format(struct snd_pcm_hw_params *p, snd_pcm_format_t fmt)
> +{
> +	snd_mask_set(&p->masks[SNDRV_PCM_HW_PARAM_FORMAT -
> +		SNDRV_PCM_HW_PARAM_FIRST_MASK], (__force int)fmt);

Use hw_params_mask().


Takashi