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

At Sun, 8 Feb 2015 16:01:36 -0800, yang.a.fang@intel.com wrote:

From: "Fang, Yang A" yang.a.fang@intel.com

Add a helper to set pcm format directly from params

Signed-off-by: Fang, Yang A yang.a.fang@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