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: Benoit Cousson <bcousson@baylibre.com> Signed-off-by: Mark Brown <broonie@linaro.org>
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@ -7,7 +7,7 @@
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* Copyright (C) 2010 Texas Instruments Inc.
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*
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* Authors: Liam Girdwood <lrg@ti.com>
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* Mark Brown <broonie@opensource.wolfsonmicro.com>
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* Mark Brown <broonie@opensource.wolfsonmicro.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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@ -284,15 +284,10 @@ static int sample_sizes[] = {
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24, 32,
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};
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static void soc_pcm_apply_msb(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai)
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static void soc_pcm_set_msb(struct snd_pcm_substream *substream,
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struct snd_soc_dai *dai, int bits)
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{
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int ret, i, bits;
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
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bits = dai->driver->playback.sig_bits;
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else
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bits = dai->driver->capture.sig_bits;
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int ret, i;
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if (!bits)
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return;
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@ -310,6 +305,25 @@ static void soc_pcm_apply_msb(struct snd_pcm_substream *substream,
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}
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}
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static void soc_pcm_apply_msb(struct snd_pcm_substream *substream)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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unsigned int bits = 0, cpu_bits;
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
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bits = codec_dai->driver->playback.sig_bits;
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cpu_bits = cpu_dai->driver->playback.sig_bits;
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} else {
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bits = codec_dai->driver->capture.sig_bits;
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cpu_bits = cpu_dai->driver->capture.sig_bits;
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}
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soc_pcm_set_msb(substream, codec_dai, bits);
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soc_pcm_set_msb(substream, cpu_dai, cpu_bits);
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}
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static void soc_pcm_init_runtime_hw(struct snd_pcm_runtime *runtime,
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struct snd_soc_pcm_stream *codec_stream,
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struct snd_soc_pcm_stream *cpu_stream)
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@ -433,8 +447,7 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
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goto config_err;
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}
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soc_pcm_apply_msb(substream, codec_dai);
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soc_pcm_apply_msb(substream, cpu_dai);
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soc_pcm_apply_msb(substream);
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/* Symmetry only applies if we've already got an active stream. */
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if (cpu_dai->active) {
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