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>
diff --git a/include/sound/pcm_params.h b/include/sound/pcm_params.h
index 37ae12e..6b1c78f 100644
--- a/include/sound/pcm_params.h
+++ b/include/sound/pcm_params.h
@@ -354,4 +354,16 @@
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 */