From 2fbafecb0f05818e25f6c926c6f9ad9ef597429c Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Mon, 17 Jun 2024 15:03:19 +0200 Subject: ASoC: Constify of_phandle_args in snd_soc_dai_driver ASoC core code does not modify contents of 'of_phandle_args' in 'struct snd_soc_dai_driver', so the pointer can be made as a pointer to const. This makes code safer, serves as clear annotation of core's intentions and allows putting pointed structures in rodata (if ever applicable). Signed-off-by: Krzysztof Kozlowski Link: https://msgid.link/r/20240617-n-asoc-const-auto-selectable-formats-v1-1-8004f346ee38@linaro.org Signed-off-by: Mark Brown --- include/sound/soc-dai.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/sound') diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 15ef268c9845..e6c61c79c483 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -413,7 +413,7 @@ struct snd_soc_dai_driver { unsigned int id; unsigned int base; struct snd_soc_dobj dobj; - struct of_phandle_args *dai_args; + const struct of_phandle_args *dai_args; /* ops */ const struct snd_soc_dai_ops *ops; -- cgit v1.2.3 From 020b37d06f97de289940805bc821190d5858eda0 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Mon, 17 Jun 2024 15:03:20 +0200 Subject: ASoC: Constify of_phandle_args in snd_soc_dai_link_component ASoC core code does not modify contents of 'of_phandle_args' in 'struct snd_soc_dai_link_component', so the pointer can be made as a pointer to const. This makes code safer, serves as clear annotation of core's intentions and allows putting pointed structures in rodata (if ever applicable). Signed-off-by: Krzysztof Kozlowski Link: https://msgid.link/r/20240617-n-asoc-const-auto-selectable-formats-v1-2-8004f346ee38@linaro.org Signed-off-by: Mark Brown --- include/sound/soc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/sound') diff --git a/include/sound/soc.h b/include/sound/soc.h index 33671437ee89..f02a51694ab4 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -675,7 +675,7 @@ struct snd_soc_dai_link_component { const char *name; struct device_node *of_node; const char *dai_name; - struct of_phandle_args *dai_args; + const struct of_phandle_args *dai_args; }; /* -- cgit v1.2.3 From f3ac3da7e4d0957b3402fb31a4ca480e739e086f Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Mon, 17 Jun 2024 15:03:21 +0200 Subject: ASoC: Constify passed data to core function Several ASoC functions receive pointers to data which is not modified, e.g. pointers to 'snd_soc_dai', 'snd_soc_pcm_runtime', 'snd_pcm_hw_params' and 'snd_soc_dai_link'. All these pointers can be made as a pointer to const. This makes code safer, serves as clear annotation of function's intentions (no ownership passed to the function, no modifications) and allows putting pointed structures in rodata (if ever applicable). Signed-off-by: Krzysztof Kozlowski Link: https://msgid.link/r/20240617-n-asoc-const-auto-selectable-formats-v1-3-8004f346ee38@linaro.org Signed-off-by: Mark Brown --- include/sound/soc-dai.h | 18 ++++++++++-------- include/sound/soc.h | 17 +++++++++-------- sound/soc/soc-core.c | 4 ++-- sound/soc/soc-dai.c | 8 ++++---- sound/soc/soc-utils.c | 8 ++++---- 5 files changed, 29 insertions(+), 26 deletions(-) (limited to 'include/sound') diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index e6c61c79c483..3c45b418270e 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -180,8 +180,8 @@ int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio); /* Digital Audio interface formatting */ -int snd_soc_dai_get_fmt_max_priority(struct snd_soc_pcm_runtime *rtd); -u64 snd_soc_dai_get_fmt(struct snd_soc_dai *dai, int priority); +int snd_soc_dai_get_fmt_max_priority(const struct snd_soc_pcm_runtime *rtd); +u64 snd_soc_dai_get_fmt(const struct snd_soc_dai *dai, int priority); int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt); int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, @@ -202,7 +202,7 @@ int snd_soc_dai_get_channel_map(struct snd_soc_dai *dai, unsigned int *tx_num, unsigned int *tx_slot, unsigned int *rx_num, unsigned int *rx_slot); -int snd_soc_dai_is_dummy(struct snd_soc_dai *dai); +int snd_soc_dai_is_dummy(const struct snd_soc_dai *dai); int snd_soc_dai_hw_params(struct snd_soc_dai *dai, struct snd_pcm_substream *substream, @@ -218,7 +218,7 @@ void snd_soc_dai_suspend(struct snd_soc_dai *dai); void snd_soc_dai_resume(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); +bool snd_soc_dai_stream_valid(const struct snd_soc_dai *dai, int stream); void snd_soc_dai_link_set_capabilities(struct snd_soc_dai_link *dai_link); void snd_soc_dai_action(struct snd_soc_dai *dai, int stream, int action); @@ -232,7 +232,7 @@ static inline void snd_soc_dai_deactivate(struct snd_soc_dai *dai, { snd_soc_dai_action(dai, stream, -1); } -int snd_soc_dai_active(struct snd_soc_dai *dai); +int snd_soc_dai_active(const struct snd_soc_dai *dai); int snd_soc_pcm_dai_probe(struct snd_soc_pcm_runtime *rtd, int order); int snd_soc_pcm_dai_remove(struct snd_soc_pcm_runtime *rtd, int order); @@ -271,7 +271,7 @@ int snd_soc_dai_compr_get_metadata(struct snd_soc_dai *dai, struct snd_compr_stream *cstream, struct snd_compr_metadata *metadata); -const char *snd_soc_dai_name_get(struct snd_soc_dai *dai); +const char *snd_soc_dai_name_get(const struct snd_soc_dai *dai); struct snd_soc_dai_ops { /* DAI driver callbacks */ @@ -518,7 +518,8 @@ static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai *dai, void *play snd_soc_dai_dma_data_set_capture(dai, capture); } -static inline unsigned int snd_soc_dai_tdm_mask_get(struct snd_soc_dai *dai, int stream) +static inline unsigned int snd_soc_dai_tdm_mask_get(const struct snd_soc_dai *dai, + int stream) { return dai->stream[stream].tdm_mask; } @@ -529,7 +530,8 @@ static inline void snd_soc_dai_tdm_mask_set(struct snd_soc_dai *dai, int stream, dai->stream[stream].tdm_mask = tdm_mask; } -static inline unsigned int snd_soc_dai_stream_active(struct snd_soc_dai *dai, int stream) +static inline unsigned int snd_soc_dai_stream_active(const struct snd_soc_dai *dai, + int stream) { /* see snd_soc_dai_action() for setup */ return dai->stream[stream].active; diff --git a/include/sound/soc.h b/include/sound/soc.h index f02a51694ab4..a8e66bbf932b 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -534,10 +534,10 @@ static inline int snd_soc_set_dmi_name(struct snd_soc_card *card, /* Utility functions to get clock rates from various things */ int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); -int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); +int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params); int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); -int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); -int snd_soc_tdm_params_to_bclk(struct snd_pcm_hw_params *params, +int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *parms); +int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params, int tdm_width, int tdm_slots, int slot_multiple); /* set runtime hw params */ @@ -837,7 +837,8 @@ struct snd_soc_dai_link { #endif }; -static inline int snd_soc_link_num_ch_map(struct snd_soc_dai_link *link) { +static inline int snd_soc_link_num_ch_map(const struct snd_soc_dai_link *link) +{ return max(link->num_cpus, link->num_codecs); } @@ -1299,7 +1300,7 @@ struct soc_enum { #endif }; -static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) +static inline bool snd_soc_volsw_is_stereo(const struct soc_mixer_control *mc) { if (mc->reg == mc->rreg && mc->shift == mc->rshift) return false; @@ -1311,7 +1312,7 @@ static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) return true; } -static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, +static inline unsigned int snd_soc_enum_val_to_item(const struct soc_enum *e, unsigned int val) { unsigned int i; @@ -1326,7 +1327,7 @@ static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e, return 0; } -static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e, +static inline unsigned int snd_soc_enum_item_to_val(const struct soc_enum *e, unsigned int item) { if (!e->values) @@ -1401,7 +1402,7 @@ unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np, snd_soc_daifmt_clock_provider_from_bitmap( \ snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix)) -int snd_soc_get_stream_cpu(struct snd_soc_dai_link *dai_link, int stream); +int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream); int snd_soc_get_dlc(const struct of_phandle_args *args, struct snd_soc_dai_link_component *dlc); int snd_soc_of_get_dlc(struct device_node *of_node, diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 3ab6626ad680..724fe1f033b5 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -297,7 +297,7 @@ static int snd_soc_is_matching_dai(const struct snd_soc_dai_link_component *dlc, return 0; } -const char *snd_soc_dai_name_get(struct snd_soc_dai *dai) +const char *snd_soc_dai_name_get(const struct snd_soc_dai *dai) { /* see snd_soc_is_matching_dai() */ if (dai->driver->name) @@ -3430,7 +3430,7 @@ unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np, } EXPORT_SYMBOL_GPL(snd_soc_daifmt_parse_clock_provider_raw); -int snd_soc_get_stream_cpu(struct snd_soc_dai_link *dai_link, int stream) +int snd_soc_get_stream_cpu(const struct snd_soc_dai_link *dai_link, int stream) { /* * [Normal] diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c index 03afd5efb24c..55d1a5a099df 100644 --- a/sound/soc/soc-dai.c +++ b/sound/soc/soc-dai.c @@ -134,7 +134,7 @@ int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) } EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio); -int snd_soc_dai_get_fmt_max_priority(struct snd_soc_pcm_runtime *rtd) +int snd_soc_dai_get_fmt_max_priority(const struct snd_soc_pcm_runtime *rtd) { struct snd_soc_dai *dai; int i, max = 0; @@ -166,7 +166,7 @@ int snd_soc_dai_get_fmt_max_priority(struct snd_soc_pcm_runtime *rtd) * modes. This will mean that sometimes fewer formats * are reported here than are supported by set_fmt(). */ -u64 snd_soc_dai_get_fmt(struct snd_soc_dai *dai, int priority) +u64 snd_soc_dai_get_fmt(const struct snd_soc_dai *dai, int priority) { const struct snd_soc_dai_ops *ops = dai->driver->ops; u64 fmt = 0; @@ -471,7 +471,7 @@ int snd_soc_dai_compress_new(struct snd_soc_dai *dai, * * Returns true if the DAI supports the indicated stream type. */ -bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int dir) +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); @@ -528,7 +528,7 @@ void snd_soc_dai_action(struct snd_soc_dai *dai, } EXPORT_SYMBOL_GPL(snd_soc_dai_action); -int snd_soc_dai_active(struct snd_soc_dai *dai) +int snd_soc_dai_active(const struct snd_soc_dai *dai) { int stream, active; diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c index d05e712c9518..5dea5609baf4 100644 --- a/sound/soc/soc-utils.c +++ b/sound/soc/soc-utils.c @@ -21,7 +21,7 @@ int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots) } EXPORT_SYMBOL_GPL(snd_soc_calc_frame_size); -int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params) +int snd_soc_params_to_frame_size(const struct snd_pcm_hw_params *params) { int sample_size; @@ -40,7 +40,7 @@ int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots) } EXPORT_SYMBOL_GPL(snd_soc_calc_bclk); -int snd_soc_params_to_bclk(struct snd_pcm_hw_params *params) +int snd_soc_params_to_bclk(const struct snd_pcm_hw_params *params) { int ret; @@ -79,7 +79,7 @@ EXPORT_SYMBOL_GPL(snd_soc_params_to_bclk); * Return: bclk frequency in Hz, else a negative error code if params format * is invalid. */ -int snd_soc_tdm_params_to_bclk(struct snd_pcm_hw_params *params, +int snd_soc_tdm_params_to_bclk(const struct snd_pcm_hw_params *params, int tdm_width, int tdm_slots, int slot_multiple) { if (!tdm_slots) @@ -211,7 +211,7 @@ static struct snd_soc_dai_driver dummy_dai = { .ops = &dummy_dai_ops, }; -int snd_soc_dai_is_dummy(struct snd_soc_dai *dai) +int snd_soc_dai_is_dummy(const struct snd_soc_dai *dai) { if (dai->driver == &dummy_dai) return 1; -- cgit v1.2.3 From 785d64c4941221044940ab199e6625af17296470 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Mon, 17 Jun 2024 15:03:22 +0200 Subject: ASoC: Constify DAI passed to get_channel_map get_channel_map() is supposed to obtain map of channels without modifying the state of the given DAI, so make the pointer to 'struct snd_soc_dai' as pointing to const. Signed-off-by: Krzysztof Kozlowski Link: https://msgid.link/r/20240617-n-asoc-const-auto-selectable-formats-v1-4-8004f346ee38@linaro.org Signed-off-by: Mark Brown --- include/sound/soc-dai.h | 4 ++-- sound/soc/codecs/lpass-rx-macro.c | 2 +- sound/soc/codecs/lpass-tx-macro.c | 2 +- sound/soc/codecs/lpass-va-macro.c | 2 +- sound/soc/codecs/lpass-wsa-macro.c | 2 +- sound/soc/codecs/wcd9335.c | 2 +- sound/soc/codecs/wcd934x.c | 2 +- sound/soc/soc-dai.c | 4 ++-- 8 files changed, 10 insertions(+), 10 deletions(-) (limited to 'include/sound') diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 3c45b418270e..f22969298de1 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -198,7 +198,7 @@ int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, int direction); -int snd_soc_dai_get_channel_map(struct snd_soc_dai *dai, +int snd_soc_dai_get_channel_map(const struct snd_soc_dai *dai, unsigned int *tx_num, unsigned int *tx_slot, unsigned int *rx_num, unsigned int *rx_slot); @@ -307,7 +307,7 @@ struct snd_soc_dai_ops { int (*set_channel_map)(struct snd_soc_dai *dai, unsigned int tx_num, const unsigned int *tx_slot, unsigned int rx_num, const unsigned int *rx_slot); - int (*get_channel_map)(struct snd_soc_dai *dai, + int (*get_channel_map)(const struct snd_soc_dai *dai, unsigned int *tx_num, unsigned int *tx_slot, unsigned int *rx_num, unsigned int *rx_slot); int (*set_tristate)(struct snd_soc_dai *dai, int tristate); diff --git a/sound/soc/codecs/lpass-rx-macro.c b/sound/soc/codecs/lpass-rx-macro.c index 00ecc470ba8b..83791507ed13 100644 --- a/sound/soc/codecs/lpass-rx-macro.c +++ b/sound/soc/codecs/lpass-rx-macro.c @@ -1833,7 +1833,7 @@ static int rx_macro_hw_params(struct snd_pcm_substream *substream, return 0; } -static int rx_macro_get_channel_map(struct snd_soc_dai *dai, +static int rx_macro_get_channel_map(const struct snd_soc_dai *dai, unsigned int *tx_num, unsigned int *tx_slot, unsigned int *rx_num, unsigned int *rx_slot) { diff --git a/sound/soc/codecs/lpass-tx-macro.c b/sound/soc/codecs/lpass-tx-macro.c index c98b0b747a92..209c12ec16dd 100644 --- a/sound/soc/codecs/lpass-tx-macro.c +++ b/sound/soc/codecs/lpass-tx-macro.c @@ -1167,7 +1167,7 @@ static int tx_macro_hw_params(struct snd_pcm_substream *substream, return 0; } -static int tx_macro_get_channel_map(struct snd_soc_dai *dai, +static int tx_macro_get_channel_map(const struct snd_soc_dai *dai, unsigned int *tx_num, unsigned int *tx_slot, unsigned int *rx_num, unsigned int *rx_slot) { diff --git a/sound/soc/codecs/lpass-va-macro.c b/sound/soc/codecs/lpass-va-macro.c index a555e1e078eb..b0006f4ce8a2 100644 --- a/sound/soc/codecs/lpass-va-macro.c +++ b/sound/soc/codecs/lpass-va-macro.c @@ -892,7 +892,7 @@ static int va_macro_hw_params(struct snd_pcm_substream *substream, return 0; } -static int va_macro_get_channel_map(struct snd_soc_dai *dai, +static int va_macro_get_channel_map(const struct snd_soc_dai *dai, unsigned int *tx_num, unsigned int *tx_slot, unsigned int *rx_num, unsigned int *rx_slot) { diff --git a/sound/soc/codecs/lpass-wsa-macro.c b/sound/soc/codecs/lpass-wsa-macro.c index 6ce309980cd1..1e19c2b28a4f 100644 --- a/sound/soc/codecs/lpass-wsa-macro.c +++ b/sound/soc/codecs/lpass-wsa-macro.c @@ -992,7 +992,7 @@ static int wsa_macro_hw_params(struct snd_pcm_substream *substream, return 0; } -static int wsa_macro_get_channel_map(struct snd_soc_dai *dai, +static int wsa_macro_get_channel_map(const struct snd_soc_dai *dai, unsigned int *tx_num, unsigned int *tx_slot, unsigned int *rx_num, unsigned int *rx_slot) { diff --git a/sound/soc/codecs/wcd9335.c b/sound/soc/codecs/wcd9335.c index 42a99978fe5a..fc0ab00a253f 100644 --- a/sound/soc/codecs/wcd9335.c +++ b/sound/soc/codecs/wcd9335.c @@ -2014,7 +2014,7 @@ static int wcd9335_set_channel_map(struct snd_soc_dai *dai, return 0; } -static int wcd9335_get_channel_map(struct snd_soc_dai *dai, +static int wcd9335_get_channel_map(const struct snd_soc_dai *dai, unsigned int *tx_num, unsigned int *tx_slot, unsigned int *rx_num, unsigned int *rx_slot) { diff --git a/sound/soc/codecs/wcd934x.c b/sound/soc/codecs/wcd934x.c index fcad2c9fba55..b5a929659dc8 100644 --- a/sound/soc/codecs/wcd934x.c +++ b/sound/soc/codecs/wcd934x.c @@ -1960,7 +1960,7 @@ static int wcd934x_set_channel_map(struct snd_soc_dai *dai, return 0; } -static int wcd934x_get_channel_map(struct snd_soc_dai *dai, +static int wcd934x_get_channel_map(const struct snd_soc_dai *dai, unsigned int *tx_num, unsigned int *tx_slot, unsigned int *rx_num, unsigned int *rx_slot) { diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c index 55d1a5a099df..0c3a834e504d 100644 --- a/sound/soc/soc-dai.c +++ b/sound/soc/soc-dai.c @@ -11,7 +11,7 @@ #include #define soc_dai_ret(dai, ret) _soc_dai_ret(dai, __func__, ret) -static inline int _soc_dai_ret(struct snd_soc_dai *dai, +static inline int _soc_dai_ret(const struct snd_soc_dai *dai, const char *func, int ret) { /* Positive, Zero values are not errors */ @@ -327,7 +327,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); * @rx_slot: pointer to an array which imply the RX slot number channel * 0~num-1 uses */ -int snd_soc_dai_get_channel_map(struct snd_soc_dai *dai, +int snd_soc_dai_get_channel_map(const struct snd_soc_dai *dai, unsigned int *tx_num, unsigned int *tx_slot, unsigned int *rx_num, unsigned int *rx_slot) { -- cgit v1.2.3 From de267e7a6ea8e6fa29af2287adfc9fc9d87e6dc9 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Mon, 17 Jun 2024 15:03:23 +0200 Subject: 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 Link: https://msgid.link/r/20240617-n-asoc-const-auto-selectable-formats-v1-5-8004f346ee38@linaro.org Signed-off-by: Mark Brown --- 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(-) (limited to 'include/sound') diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index f22969298de1..bd249710d716 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; -- cgit v1.2.3