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 --- include/sound/soc-dai.h | 2 +- sound/soc/intel/avs/pcm.c | 4 ++-- sound/soc/soc-dai.c | 2 +- sound/soc/soc-pcm.c | 26 +++++++++++++------------- 4 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index e9751cc94f8c..bbb72ad4c951 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -473,7 +473,7 @@ struct snd_soc_dai { unsigned int probed:1; };
-static inline struct snd_soc_pcm_stream * +static inline const struct snd_soc_pcm_stream * snd_soc_dai_get_pcm_stream(const struct snd_soc_dai *dai, int stream) { return (stream == SNDRV_PCM_STREAM_PLAYBACK) ? diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c index 88e711875004..c76b86254a8b 100644 --- a/sound/soc/intel/avs/pcm.c +++ b/sound/soc/intel/avs/pcm.c @@ -341,7 +341,7 @@ static int avs_dai_hda_be_prepare(struct snd_pcm_substream *substream, struct sn { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_soc_pcm_stream *stream_info; + const struct snd_soc_pcm_stream *stream_info; struct hdac_ext_stream *link_stream; struct hdac_ext_link *link; struct avs_dma_data *data; @@ -637,7 +637,7 @@ static int avs_dai_fe_hw_free(struct snd_pcm_substream *substream, struct snd_so static int avs_dai_fe_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_soc_pcm_stream *stream_info; + const struct snd_soc_pcm_stream *stream_info; struct avs_dma_data *data; struct hdac_ext_stream *host_stream; unsigned int format_val; diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c index 0c3a834e504d..9e47053419c1 100644 --- a/sound/soc/soc-dai.c +++ b/sound/soc/soc-dai.c @@ -473,7 +473,7 @@ int snd_soc_dai_compress_new(struct snd_soc_dai *dai, */ 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; diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 711b2f49ed88..bad823718ae4 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -504,7 +504,7 @@ static void soc_pcm_apply_msb(struct snd_pcm_substream *substream) unsigned int bits = 0, cpu_bits = 0;
for_each_rtd_codec_dais(rtd, i, codec_dai) { - struct snd_soc_pcm_stream *pcm_codec = snd_soc_dai_get_pcm_stream(codec_dai, stream); + const struct snd_soc_pcm_stream *pcm_codec = snd_soc_dai_get_pcm_stream(codec_dai, stream);
if (pcm_codec->sig_bits == 0) { bits = 0; @@ -514,7 +514,7 @@ static void soc_pcm_apply_msb(struct snd_pcm_substream *substream) }
for_each_rtd_cpu_dais(rtd, i, cpu_dai) { - struct snd_soc_pcm_stream *pcm_cpu = snd_soc_dai_get_pcm_stream(cpu_dai, stream); + const struct snd_soc_pcm_stream *pcm_cpu = snd_soc_dai_get_pcm_stream(cpu_dai, stream);
if (pcm_cpu->sig_bits == 0) { cpu_bits = 0; @@ -538,7 +538,7 @@ static void soc_pcm_hw_init(struct snd_pcm_hardware *hw) }
static void soc_pcm_hw_update_rate(struct snd_pcm_hardware *hw, - struct snd_soc_pcm_stream *p) + const struct snd_soc_pcm_stream *p) { hw->rates = snd_pcm_rate_mask_intersect(hw->rates, p->rates);
@@ -551,20 +551,20 @@ static void soc_pcm_hw_update_rate(struct snd_pcm_hardware *hw, }
static void soc_pcm_hw_update_chan(struct snd_pcm_hardware *hw, - struct snd_soc_pcm_stream *p) + const struct snd_soc_pcm_stream *p) { hw->channels_min = max(hw->channels_min, p->channels_min); hw->channels_max = min(hw->channels_max, p->channels_max); }
static void soc_pcm_hw_update_format(struct snd_pcm_hardware *hw, - struct snd_soc_pcm_stream *p) + const struct snd_soc_pcm_stream *p) { hw->formats &= p->formats; }
static void soc_pcm_hw_update_subformat(struct snd_pcm_hardware *hw, - struct snd_soc_pcm_stream *p) + const struct snd_soc_pcm_stream *p) { hw->subformats &= p->subformats; } @@ -583,8 +583,8 @@ int snd_soc_runtime_calc_hw(struct snd_soc_pcm_runtime *rtd, { struct snd_soc_dai *codec_dai; struct snd_soc_dai *cpu_dai; - struct snd_soc_pcm_stream *codec_stream; - struct snd_soc_pcm_stream *cpu_stream; + const struct snd_soc_pcm_stream *codec_stream; + const struct snd_soc_pcm_stream *cpu_stream; unsigned int cpu_chan_min = 0, cpu_chan_max = UINT_MAX; int i;
@@ -1712,7 +1712,7 @@ static void dpcm_runtime_setup_fe(struct snd_pcm_substream *substream) hw->formats &= formats;
for_each_rtd_cpu_dais(fe, i, dai) { - struct snd_soc_pcm_stream *cpu_stream; + const struct snd_soc_pcm_stream *cpu_stream;
/* * Skip CPUs which don't support the current stream @@ -1750,7 +1750,7 @@ static void dpcm_runtime_setup_be_format(struct snd_pcm_substream *substream)
for_each_dpcm_be(fe, stream, dpcm) { struct snd_soc_pcm_runtime *be = dpcm->be; - struct snd_soc_pcm_stream *codec_stream; + const struct snd_soc_pcm_stream *codec_stream; int i;
for_each_rtd_codec_dais(be, i, dai) { @@ -1787,7 +1787,7 @@ static void dpcm_runtime_setup_be_chan(struct snd_pcm_substream *substream)
for_each_dpcm_be(fe, stream, dpcm) { struct snd_soc_pcm_runtime *be = dpcm->be; - struct snd_soc_pcm_stream *cpu_stream; + const struct snd_soc_pcm_stream *cpu_stream; struct snd_soc_dai *dai; int i;
@@ -1809,7 +1809,7 @@ static void dpcm_runtime_setup_be_chan(struct snd_pcm_substream *substream) * DAIs connected to a single CPU DAI, use CPU DAI's directly */ if (be->dai_link->num_codecs == 1) { - struct snd_soc_pcm_stream *codec_stream = snd_soc_dai_get_pcm_stream( + const struct snd_soc_pcm_stream *codec_stream = snd_soc_dai_get_pcm_stream( snd_soc_rtd_to_codec(be, 0), stream);
soc_pcm_hw_update_chan(hw, codec_stream); @@ -1835,7 +1835,7 @@ static void dpcm_runtime_setup_be_rate(struct snd_pcm_substream *substream)
for_each_dpcm_be(fe, stream, dpcm) { struct snd_soc_pcm_runtime *be = dpcm->be; - struct snd_soc_pcm_stream *pcm; + const struct snd_soc_pcm_stream *pcm; struct snd_soc_dai *dai; int i;