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ALSA: Add params_width() helpers

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Add helpers for obtaining the width of a format directly from params
since this is expected to become a common operation in ASoC.

Signed-off-by: Mark Brown <broonie@linaro.org>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Mark Brown 2013-12-24 12:24:28 +00:00
parent 6ce4eac1f6
commit 8c5178fca4
1 changed files with 12 additions and 0 deletions
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12
include/sound/pcm_params.h
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@ -354,4 +354,16 @@ params_period_bytes(const struct snd_pcm_hw_params *p)
params_channels(p)) / 8;
}
static inline int
params_width(const struct snd_pcm_hw_params *p)
{
return snd_pcm_format_width(params_format(p));
}
static inline int
params_physical_width(const struct snd_pcm_hw_params *p)
{
return snd_pcm_format_physical_width(params_format(p));
}
#endif /* __SOUND_PCM_PARAMS_H */