diff options
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/pcm.h | 3 | ||||
| -rw-r--r-- | include/sound/pcm_params.h | 2 | ||||
| -rw-r--r-- | include/sound/tlv.h | 29 |
3 files changed, 25 insertions, 9 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 0d1112815be3..e91e6047ca6f 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -810,7 +810,7 @@ int snd_pcm_hw_constraint_integer(struct snd_pcm_runtime *runtime, snd_pcm_hw_pa int snd_pcm_hw_constraint_list(struct snd_pcm_runtime *runtime, unsigned int cond, snd_pcm_hw_param_t var, - struct snd_pcm_hw_constraint_list *l); + const struct snd_pcm_hw_constraint_list *l); int snd_pcm_hw_constraint_ratnums(struct snd_pcm_runtime *runtime, unsigned int cond, snd_pcm_hw_param_t var, @@ -893,6 +893,7 @@ extern const struct snd_pcm_hw_constraint_list snd_pcm_known_rates; int snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime); unsigned int snd_pcm_rate_to_rate_bit(unsigned int rate); +unsigned int snd_pcm_rate_bit_to_rate(unsigned int rate_bit); static inline void snd_pcm_set_runtime_buffer(struct snd_pcm_substream *substream, struct snd_dma_buffer *bufp) diff --git a/include/sound/pcm_params.h b/include/sound/pcm_params.h index f494f1e3c900..37ae12e0ab06 100644 --- a/include/sound/pcm_params.h +++ b/include/sound/pcm_params.h @@ -22,6 +22,8 @@ * */ +#include <sound/pcm.h> + int snd_pcm_hw_param_first(struct snd_pcm_substream *pcm, struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var, int *dir); diff --git a/include/sound/tlv.h b/include/sound/tlv.h index 7067e2dfb0b9..a64d8fe3f855 100644 --- a/include/sound/tlv.h +++ b/include/sound/tlv.h @@ -38,21 +38,31 @@ #define SNDRV_CTL_TLVT_DB_MINMAX 4 /* dB scale with min/max */ #define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5 /* dB scale with min/max with mute */ +#define TLV_ITEM(type, ...) \ + (type), TLV_LENGTH(__VA_ARGS__), __VA_ARGS__ +#define TLV_LENGTH(...) \ + ((unsigned int)sizeof((const unsigned int[]) { __VA_ARGS__ })) + +#define TLV_CONTAINER_ITEM(...) \ + TLV_ITEM(SNDRV_CTL_TLVT_CONTAINER, __VA_ARGS__) +#define DECLARE_TLV_CONTAINER(name, ...) \ + unsigned int name[] = { TLV_CONTAINER_ITEM(__VA_ARGS__) } + #define TLV_DB_SCALE_MASK 0xffff #define TLV_DB_SCALE_MUTE 0x10000 #define TLV_DB_SCALE_ITEM(min, step, mute) \ - SNDRV_CTL_TLVT_DB_SCALE, 2 * sizeof(unsigned int), \ - (min), ((step) & TLV_DB_SCALE_MASK) | ((mute) ? TLV_DB_SCALE_MUTE : 0) + TLV_ITEM(SNDRV_CTL_TLVT_DB_SCALE, \ + (min), \ + ((step) & TLV_DB_SCALE_MASK) | \ + ((mute) ? TLV_DB_SCALE_MUTE : 0)) #define DECLARE_TLV_DB_SCALE(name, min, step, mute) \ unsigned int name[] = { TLV_DB_SCALE_ITEM(min, step, mute) } /* dB scale specified with min/max values instead of step */ #define TLV_DB_MINMAX_ITEM(min_dB, max_dB) \ - SNDRV_CTL_TLVT_DB_MINMAX, 2 * sizeof(unsigned int), \ - (min_dB), (max_dB) + TLV_ITEM(SNDRV_CTL_TLVT_DB_MINMAX, (min_dB), (max_dB)) #define TLV_DB_MINMAX_MUTE_ITEM(min_dB, max_dB) \ - SNDRV_CTL_TLVT_DB_MINMAX_MUTE, 2 * sizeof(unsigned int), \ - (min_dB), (max_dB) + TLV_ITEM(SNDRV_CTL_TLVT_DB_MINMAX_MUTE, (min_dB), (max_dB)) #define DECLARE_TLV_DB_MINMAX(name, min_dB, max_dB) \ unsigned int name[] = { TLV_DB_MINMAX_ITEM(min_dB, max_dB) } #define DECLARE_TLV_DB_MINMAX_MUTE(name, min_dB, max_dB) \ @@ -60,13 +70,16 @@ /* linear volume between min_dB and max_dB (.01dB unit) */ #define TLV_DB_LINEAR_ITEM(min_dB, max_dB) \ - SNDRV_CTL_TLVT_DB_LINEAR, 2 * sizeof(unsigned int), \ - (min_dB), (max_dB) + TLV_ITEM(SNDRV_CTL_TLVT_DB_LINEAR, (min_dB), (max_dB)) #define DECLARE_TLV_DB_LINEAR(name, min_dB, max_dB) \ unsigned int name[] = { TLV_DB_LINEAR_ITEM(min_dB, max_dB) } /* dB range container */ /* Each item is: <min> <max> <TLV> */ +#define TLV_DB_RANGE_ITEM(...) \ + TLV_ITEM(SNDRV_CTL_TLVT_DB_RANGE, __VA_ARGS__) +#define DECLARE_TLV_DB_RANGE(name, ...) \ + unsigned int name[] = { TLV_DB_RANGE_ITEM(__VA_ARGS__) } /* The below assumes that each item TLV is 4 words like DB_SCALE or LINEAR */ #define TLV_DB_RANGE_HEAD(num) \ SNDRV_CTL_TLVT_DB_RANGE, 6 * (num) * sizeof(unsigned int) |