diff options
Diffstat (limited to 'include/sound')
-rw-r--r-- | include/sound/pcm.h | 9 | ||||
-rw-r--r-- | include/sound/pcm_params.h | 7 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index f657ff08f317..31a4b300e4c9 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -1415,6 +1415,15 @@ static inline u64 pcm_format_to_bits(snd_pcm_format_t pcm_format) return 1ULL << (__force int) pcm_format; } +/** + * pcm_for_each_format - helper to iterate for each format type + * @f: the iterator variable in snd_pcm_format_t type + */ +#define pcm_for_each_format(f) \ + for ((f) = SNDRV_PCM_FORMAT_FIRST; \ + (__force int)(f) <= (__force int)SNDRV_PCM_FORMAT_LAST; \ + (f) = (__force snd_pcm_format_t)((__force int)(f) + 1)) + /* printk helpers */ #define pcm_err(pcm, fmt, args...) \ dev_err((pcm)->card->dev, fmt, ##args) diff --git a/include/sound/pcm_params.h b/include/sound/pcm_params.h index 661450a2095b..36f94735d23d 100644 --- a/include/sound/pcm_params.h +++ b/include/sound/pcm_params.h @@ -133,6 +133,13 @@ static inline int snd_mask_test(const struct snd_mask *mask, unsigned int val) return mask->bits[MASK_OFS(val)] & MASK_BIT(val); } +/* Most of drivers need only this one */ +static inline int snd_mask_test_format(const struct snd_mask *mask, + snd_pcm_format_t format) +{ + return snd_mask_test(mask, (__force unsigned int)format); +} + static inline int snd_mask_single(const struct snd_mask *mask) { int i, c = 0; |