diff options
Diffstat (limited to 'sound/soc/soc-dai.c')
| -rw-r--r-- | sound/soc/soc-dai.c | 76 |
1 files changed, 9 insertions, 67 deletions
diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c index fefe394dce72..4e08892d24c6 100644 --- a/sound/soc/soc-dai.c +++ b/sound/soc/soc-dai.c @@ -11,7 +11,7 @@ #include <sound/soc-link.h> #define soc_dai_ret(dai, ret) _soc_dai_ret(dai, __func__, ret) -static inline int _soc_dai_ret(struct snd_soc_dai *dai, +static inline int _soc_dai_ret(const struct snd_soc_dai *dai, const char *func, int ret) { /* Positive, Zero values are not errors */ @@ -134,7 +134,7 @@ int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) } EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio); -int snd_soc_dai_get_fmt_max_priority(struct snd_soc_pcm_runtime *rtd) +int snd_soc_dai_get_fmt_max_priority(const struct snd_soc_pcm_runtime *rtd) { struct snd_soc_dai *dai; int i, max = 0; @@ -166,7 +166,7 @@ int snd_soc_dai_get_fmt_max_priority(struct snd_soc_pcm_runtime *rtd) * modes. This will mean that sometimes fewer formats * are reported here than are supported by set_fmt(). */ -u64 snd_soc_dai_get_fmt(struct snd_soc_dai *dai, int priority) +u64 snd_soc_dai_get_fmt(const struct snd_soc_dai *dai, int priority) { const struct snd_soc_dai_ops *ops = dai->driver->ops; u64 fmt = 0; @@ -304,8 +304,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); * configure the relationship between channel number and TDM slot number. */ int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, - unsigned int tx_num, unsigned int *tx_slot, - unsigned int rx_num, unsigned int *rx_slot) + unsigned int tx_num, const unsigned int *tx_slot, + unsigned int rx_num, const unsigned int *rx_slot) { int ret = -ENOTSUPP; @@ -327,7 +327,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); * @rx_slot: pointer to an array which imply the RX slot number channel * 0~num-1 uses */ -int snd_soc_dai_get_channel_map(struct snd_soc_dai *dai, +int snd_soc_dai_get_channel_map(const struct snd_soc_dai *dai, unsigned int *tx_num, unsigned int *tx_slot, unsigned int *rx_num, unsigned int *rx_slot) { @@ -471,52 +471,14 @@ int snd_soc_dai_compress_new(struct snd_soc_dai *dai, * * Returns true if the DAI supports the indicated stream type. */ -bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int dir) +bool snd_soc_dai_stream_valid(const struct snd_soc_dai *dai, int dir) { - struct snd_soc_pcm_stream *stream = snd_soc_dai_get_pcm_stream(dai, dir); + const struct snd_soc_pcm_stream *stream = snd_soc_dai_get_pcm_stream(dai, dir); /* If the codec specifies any channels at all, it supports the stream */ return stream->channels_min; } -/* - * snd_soc_dai_link_set_capabilities() - set dai_link properties based on its DAIs - */ -void snd_soc_dai_link_set_capabilities(struct snd_soc_dai_link *dai_link) -{ - bool supported[SNDRV_PCM_STREAM_LAST + 1]; - int direction; - - for_each_pcm_streams(direction) { - struct snd_soc_dai_link_component *cpu; - struct snd_soc_dai_link_component *codec; - struct snd_soc_dai *dai; - bool supported_cpu = false; - bool supported_codec = false; - int i; - - for_each_link_cpus(dai_link, i, cpu) { - dai = snd_soc_find_dai_with_mutex(cpu); - if (dai && snd_soc_dai_stream_valid(dai, direction)) { - supported_cpu = true; - break; - } - } - for_each_link_codecs(dai_link, i, codec) { - dai = snd_soc_find_dai_with_mutex(codec); - if (dai && snd_soc_dai_stream_valid(dai, direction)) { - supported_codec = true; - break; - } - } - supported[direction] = supported_cpu && supported_codec; - } - - dai_link->dpcm_playback = supported[SNDRV_PCM_STREAM_PLAYBACK]; - dai_link->dpcm_capture = supported[SNDRV_PCM_STREAM_CAPTURE]; -} -EXPORT_SYMBOL_GPL(snd_soc_dai_link_set_capabilities); - void snd_soc_dai_action(struct snd_soc_dai *dai, int stream, int action) { @@ -528,7 +490,7 @@ void snd_soc_dai_action(struct snd_soc_dai *dai, } EXPORT_SYMBOL_GPL(snd_soc_dai_action); -int snd_soc_dai_active(struct snd_soc_dai *dai) +int snd_soc_dai_active(const struct snd_soc_dai *dai) { int stream, active; @@ -685,26 +647,6 @@ int snd_soc_pcm_dai_trigger(struct snd_pcm_substream *substream, return ret; } -int snd_soc_pcm_dai_bespoke_trigger(struct snd_pcm_substream *substream, - int cmd) -{ - struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); - struct snd_soc_dai *dai; - int i, ret; - - for_each_rtd_dais(rtd, i, dai) { - if (dai->driver->ops && - dai->driver->ops->bespoke_trigger) { - ret = dai->driver->ops->bespoke_trigger(substream, - cmd, dai); - if (ret < 0) - return soc_dai_ret(dai, ret); - } - } - - return 0; -} - void snd_soc_pcm_dai_delay(struct snd_pcm_substream *substream, snd_pcm_sframes_t *cpu_delay, snd_pcm_sframes_t *codec_delay) |