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ASoC: Constify return of snd_soc_dai_get_pcm_stream()
Returned 'struct snd_soc_pcm_stream' by snd_soc_dai_get_pcm_stream() is not modified by the users, so it can be changed as pointer to const. This is a necessary step towards making the 'dai->driver' a pointer to const. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://msgid.link/r/20240617-n-asoc-const-auto-selectable-formats-v1-5-8004f346ee38@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -473,7 +473,7 @@ struct snd_soc_dai {
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unsigned int probed:1;
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};
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static inline struct snd_soc_pcm_stream *
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static inline const struct snd_soc_pcm_stream *
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snd_soc_dai_get_pcm_stream(const struct snd_soc_dai *dai, int stream)
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{
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return (stream == SNDRV_PCM_STREAM_PLAYBACK) ?
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@ -341,7 +341,7 @@ static int avs_dai_hda_be_prepare(struct snd_pcm_substream *substream, struct sn
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{
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struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
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struct snd_pcm_runtime *runtime = substream->runtime;
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struct snd_soc_pcm_stream *stream_info;
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const struct snd_soc_pcm_stream *stream_info;
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struct hdac_ext_stream *link_stream;
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struct hdac_ext_link *link;
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struct avs_dma_data *data;
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@ -637,7 +637,7 @@ static int avs_dai_fe_hw_free(struct snd_pcm_substream *substream, struct snd_so
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static int avs_dai_fe_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
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{
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struct snd_pcm_runtime *runtime = substream->runtime;
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struct snd_soc_pcm_stream *stream_info;
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const struct snd_soc_pcm_stream *stream_info;
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struct avs_dma_data *data;
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struct hdac_ext_stream *host_stream;
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unsigned int format_val;
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@ -473,7 +473,7 @@ int snd_soc_dai_compress_new(struct snd_soc_dai *dai,
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*/
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bool snd_soc_dai_stream_valid(const struct snd_soc_dai *dai, int dir)
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{
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struct snd_soc_pcm_stream *stream = snd_soc_dai_get_pcm_stream(dai, dir);
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const struct snd_soc_pcm_stream *stream = snd_soc_dai_get_pcm_stream(dai, dir);
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/* If the codec specifies any channels at all, it supports the stream */
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return stream->channels_min;
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@ -504,7 +504,7 @@ static void soc_pcm_apply_msb(struct snd_pcm_substream *substream)
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unsigned int bits = 0, cpu_bits = 0;
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for_each_rtd_codec_dais(rtd, i, codec_dai) {
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struct snd_soc_pcm_stream *pcm_codec = snd_soc_dai_get_pcm_stream(codec_dai, stream);
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const struct snd_soc_pcm_stream *pcm_codec = snd_soc_dai_get_pcm_stream(codec_dai, stream);
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if (pcm_codec->sig_bits == 0) {
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bits = 0;
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@ -514,7 +514,7 @@ static void soc_pcm_apply_msb(struct snd_pcm_substream *substream)
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}
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for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
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struct snd_soc_pcm_stream *pcm_cpu = snd_soc_dai_get_pcm_stream(cpu_dai, stream);
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const struct snd_soc_pcm_stream *pcm_cpu = snd_soc_dai_get_pcm_stream(cpu_dai, stream);
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if (pcm_cpu->sig_bits == 0) {
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cpu_bits = 0;
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@ -538,7 +538,7 @@ static void soc_pcm_hw_init(struct snd_pcm_hardware *hw)
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}
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static void soc_pcm_hw_update_rate(struct snd_pcm_hardware *hw,
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struct snd_soc_pcm_stream *p)
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const struct snd_soc_pcm_stream *p)
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{
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hw->rates = snd_pcm_rate_mask_intersect(hw->rates, p->rates);
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@ -551,20 +551,20 @@ static void soc_pcm_hw_update_rate(struct snd_pcm_hardware *hw,
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}
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static void soc_pcm_hw_update_chan(struct snd_pcm_hardware *hw,
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struct snd_soc_pcm_stream *p)
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const struct snd_soc_pcm_stream *p)
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{
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hw->channels_min = max(hw->channels_min, p->channels_min);
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hw->channels_max = min(hw->channels_max, p->channels_max);
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}
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static void soc_pcm_hw_update_format(struct snd_pcm_hardware *hw,
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struct snd_soc_pcm_stream *p)
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const struct snd_soc_pcm_stream *p)
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{
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hw->formats &= p->formats;
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}
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static void soc_pcm_hw_update_subformat(struct snd_pcm_hardware *hw,
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struct snd_soc_pcm_stream *p)
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const struct snd_soc_pcm_stream *p)
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{
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hw->subformats &= p->subformats;
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}
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@ -583,8 +583,8 @@ int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd,
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{
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struct snd_soc_dai *codec_dai;
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struct snd_soc_dai *cpu_dai;
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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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const struct snd_soc_pcm_stream *codec_stream;
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const struct snd_soc_pcm_stream *cpu_stream;
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unsigned int cpu_chan_min = 0, cpu_chan_max = UINT_MAX;
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int i;
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@ -1712,7 +1712,7 @@ static void dpcm_runtime_setup_fe(struct snd_pcm_substream *substream)
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hw->formats &= formats;
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for_each_rtd_cpu_dais(fe, i, dai) {
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struct snd_soc_pcm_stream *cpu_stream;
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const struct snd_soc_pcm_stream *cpu_stream;
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/*
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* Skip CPUs which don't support the current stream
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@ -1750,7 +1750,7 @@ static void dpcm_runtime_setup_be_format(struct snd_pcm_substream *substream)
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for_each_dpcm_be(fe, stream, dpcm) {
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struct snd_soc_pcm_runtime *be = dpcm->be;
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struct snd_soc_pcm_stream *codec_stream;
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const struct snd_soc_pcm_stream *codec_stream;
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int i;
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for_each_rtd_codec_dais(be, i, dai) {
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@ -1787,7 +1787,7 @@ static void dpcm_runtime_setup_be_chan(struct snd_pcm_substream *substream)
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for_each_dpcm_be(fe, stream, dpcm) {
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struct snd_soc_pcm_runtime *be = dpcm->be;
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struct snd_soc_pcm_stream *cpu_stream;
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const struct snd_soc_pcm_stream *cpu_stream;
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struct snd_soc_dai *dai;
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int i;
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@ -1809,7 +1809,7 @@ static void dpcm_runtime_setup_be_chan(struct snd_pcm_substream *substream)
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* DAIs connected to a single CPU DAI, use CPU DAI's directly
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*/
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if (be->dai_link->num_codecs == 1) {
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struct snd_soc_pcm_stream *codec_stream = snd_soc_dai_get_pcm_stream(
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const struct snd_soc_pcm_stream *codec_stream = snd_soc_dai_get_pcm_stream(
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snd_soc_rtd_to_codec(be, 0), stream);
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soc_pcm_hw_update_chan(hw, codec_stream);
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@ -1835,7 +1835,7 @@ static void dpcm_runtime_setup_be_rate(struct snd_pcm_substream *substream)
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for_each_dpcm_be(fe, stream, dpcm) {
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struct snd_soc_pcm_runtime *be = dpcm->be;
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struct snd_soc_pcm_stream *pcm;
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const struct snd_soc_pcm_stream *pcm;
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struct snd_soc_dai *dai;
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int i;
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