Commit c8dd1fec authored by Benoit Cousson's avatar Benoit Cousson Committed by Mark Brown
Browse files

ASoC: pcm: Refactor soc_pcm_apply_msb for multicodecs 



Refactor the function to facilitate the migration to
multiple codecs.

Fix a trailing space in the header as well.

No functional change.

Signed-off-by: default avatarBenoit Cousson <bcousson@baylibre.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 3f901a02

sound/soc/soc-pcm.c

+24 −11
Original line number Diff line number Diff line
@@ -284,15 +284,10 @@ static int sample_sizes[] = { 
	24, 32,

};



static void soc_pcm_apply_msb(struct snd_pcm_substream *substream,

			      struct snd_soc_dai *dai)

static void soc_pcm_set_msb(struct snd_pcm_substream *substream,

			    struct snd_soc_dai *dai, int bits)

{

	int ret, i, bits;



	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)

		bits = dai->driver->playback.sig_bits;

	else

		bits = dai->driver->capture.sig_bits;

	int ret, i;



	if (!bits)

		return;
@@ -310,6 +305,25 @@ static void soc_pcm_apply_msb(struct snd_pcm_substream *substream, 
	}

}



static void soc_pcm_apply_msb(struct snd_pcm_substream *substream)

{

	struct snd_soc_pcm_runtime *rtd = substream->private_data;

	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;

	struct snd_soc_dai *codec_dai = rtd->codec_dai;

	unsigned int bits = 0, cpu_bits;



	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {

		bits = codec_dai->driver->playback.sig_bits;

		cpu_bits = cpu_dai->driver->playback.sig_bits;

	} else {

		bits = codec_dai->driver->capture.sig_bits;

		cpu_bits = cpu_dai->driver->capture.sig_bits;

	}



	soc_pcm_set_msb(substream, codec_dai, bits);

	soc_pcm_set_msb(substream, cpu_dai, cpu_bits);

}



static void soc_pcm_init_runtime_hw(struct snd_pcm_runtime *runtime,

	struct snd_soc_pcm_stream *codec_stream,

	struct snd_soc_pcm_stream *cpu_stream)
@@ -433,8 +447,7 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) 
		goto config_err;

	}



	soc_pcm_apply_msb(substream, codec_dai);

	soc_pcm_apply_msb(substream, cpu_dai);

	soc_pcm_apply_msb(substream);



	/* Symmetry only applies if we've already got an active stream. */

	if (cpu_dai->active) {

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