diff options
| author |   Mark Brown <broonie@linaro.org> | 2013-12-24 12:24:28 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-12-30 12:19:26 +0000 |
| commit | 8c5178fca4ce5a57711ea14b807648e19b105d0e (patch) | |
| tree | 03f1adde517d1292f4e87f49bff21e2dfd88c774 /include/sound/pcm_params.h | |
| parent | Linux 3.13-rc1 (diff) | |
| download | wireguard-linux-8c5178fca4ce5a57711ea14b807648e19b105d0e.tar.xz wireguard-linux-8c5178fca4ce5a57711ea14b807648e19b105d0e.zip | |
ALSA: Add params_width() helpers
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>
Diffstat (limited to 'include/sound/pcm_params.h')
| -rw-r--r-- | include/sound/pcm_params.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/sound/pcm_params.h b/include/sound/pcm_params.h index 37ae12e0ab06..6b1c78f05fab 100644 --- a/include/sound/pcm_params.h +++ b/include/sound/pcm_params.h @@ -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 */ |