From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
snd_soc_dai_stream_valid() is function to check stream validity. But, some code is using it, some code are checking stream->channels_min directly. Doing samethings by different method is confusable. This patch uses same funcntion for same purpose.
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com --- include/sound/soc-dai.h | 1 + sound/soc/soc-compress.c | 9 ++++----- sound/soc/soc-dai.c | 18 ++++++++++++++++++ sound/soc/soc-pcm.c | 39 ++++++++++----------------------------- 4 files changed, 33 insertions(+), 34 deletions(-)
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 0f8b095..dc48fe0 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -168,6 +168,7 @@ int snd_soc_dai_probe(struct snd_soc_dai *dai); int snd_soc_dai_remove(struct snd_soc_dai *dai); int snd_soc_dai_compress_new(struct snd_soc_dai *dai, struct snd_soc_pcm_runtime *rtd, int num); +bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int stream);
struct snd_soc_dai_ops { /* diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index ddef4ff..2892110 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -872,14 +872,13 @@ int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) }
/* check client and interface hw capabilities */ - if (codec_dai->driver->playback.channels_min) + if (snd_soc_dai_stream_valid(codec_dai, SNDRV_PCM_STREAM_PLAYBACK) && + snd_soc_dai_stream_valid(cpu_dai, SNDRV_PCM_STREAM_PLAYBACK)) playback = 1; - if (codec_dai->driver->capture.channels_min) + if (snd_soc_dai_stream_valid(codec_dai, SNDRV_PCM_STREAM_CAPTURE) && + snd_soc_dai_stream_valid(cpu_dai, SNDRV_PCM_STREAM_CAPTURE)) capture = 1;
- capture = capture && cpu_dai->driver->capture.channels_min; - playback = playback && cpu_dai->driver->playback.channels_min; - /* * Compress devices are unidirectional so only one of the directions * should be set, check for that (xor) diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c index e6f161b..1c7f638 100644 --- a/sound/soc/soc-dai.c +++ b/sound/soc/soc-dai.c @@ -387,3 +387,21 @@ int snd_soc_dai_compress_new(struct snd_soc_dai *dai, return dai->driver->compress_new(rtd, num); return -ENOTSUPP; } + +/* + * snd_soc_dai_stream_valid() - check if a DAI supports the given stream + * + * Returns true if the DAI supports the indicated stream type. + */ +bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int dir) +{ + struct snd_soc_pcm_stream *stream; + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + stream = &dai->driver->playback; + else + stream = &dai->driver->capture; + + /* If the codec specifies any channels at all, it supports the stream */ + return stream->channels_min; +} diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index f313772..fabeac1 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -29,24 +29,6 @@
#define DPCM_MAX_BE_USERS 8
-/* - * snd_soc_dai_stream_valid() - check if a DAI supports the given stream - * - * Returns true if the DAI supports the indicated stream type. - */ -static bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int stream) -{ - struct snd_soc_pcm_stream *codec_stream; - - if (stream == SNDRV_PCM_STREAM_PLAYBACK) - codec_stream = &dai->driver->playback; - else - codec_stream = &dai->driver->capture; - - /* If the codec specifies any channels at all, it supports the stream */ - return codec_stream->channels_min; -} - /** * snd_soc_runtime_activate() - Increment active count for PCM runtime components * @rtd: ASoC PCM runtime that is activated @@ -2688,8 +2670,8 @@ static int soc_dpcm_fe_runtime_update(struct snd_soc_pcm_runtime *fe, int new) new ? "new" : "old", fe->dai_link->name);
/* skip if FE doesn't have playback capability */ - if (!fe->cpu_dai->driver->playback.channels_min || - !fe->codec_dai->driver->playback.channels_min) + if (!snd_soc_dai_stream_valid(fe->cpu_dai, SNDRV_PCM_STREAM_PLAYBACK) || + !snd_soc_dai_stream_valid(fe->codec_dai, SNDRV_PCM_STREAM_PLAYBACK)) goto capture;
/* skip if FE isn't currently playing */ @@ -2719,8 +2701,8 @@ static int soc_dpcm_fe_runtime_update(struct snd_soc_pcm_runtime *fe, int new)
capture: /* skip if FE doesn't have capture capability */ - if (!fe->cpu_dai->driver->capture.channels_min || - !fe->codec_dai->driver->capture.channels_min) + if (!snd_soc_dai_stream_valid(fe->cpu_dai, SNDRV_PCM_STREAM_CAPTURE) || + !snd_soc_dai_stream_valid(fe->codec_dai, SNDRV_PCM_STREAM_CAPTURE)) return 0;
/* skip if FE isn't currently capturing */ @@ -3030,14 +3012,13 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) capture = rtd->dai_link->dpcm_capture; } else { for_each_rtd_codec_dai(rtd, i, codec_dai) { - if (codec_dai->driver->playback.channels_min) + if (snd_soc_dai_stream_valid(codec_dai, SNDRV_PCM_STREAM_PLAYBACK) && + snd_soc_dai_stream_valid(cpu_dai, SNDRV_PCM_STREAM_PLAYBACK)) playback = 1; - if (codec_dai->driver->capture.channels_min) + if (snd_soc_dai_stream_valid(codec_dai, SNDRV_PCM_STREAM_CAPTURE) && + snd_soc_dai_stream_valid(cpu_dai, SNDRV_PCM_STREAM_CAPTURE)) capture = 1; } - - capture = capture && cpu_dai->driver->capture.channels_min; - playback = playback && cpu_dai->driver->playback.channels_min; }
if (rtd->dai_link->playback_only) { @@ -3375,11 +3356,11 @@ static ssize_t dpcm_state_read_file(struct file *file, char __user *user_buf, if (!buf) return -ENOMEM;
- if (fe->cpu_dai->driver->playback.channels_min) + if (snd_soc_dai_stream_valid(fe->cpu_dai, SNDRV_PCM_STREAM_PLAYBACK)) offset += dpcm_show_state(fe, SNDRV_PCM_STREAM_PLAYBACK, buf + offset, out_count - offset);
- if (fe->cpu_dai->driver->capture.channels_min) + if (snd_soc_dai_stream_valid(fe->cpu_dai, SNDRV_PCM_STREAM_CAPTURE)) offset += dpcm_show_state(fe, SNDRV_PCM_STREAM_CAPTURE, buf + offset, out_count - offset);