[PATCH 4/6] ASoC: Constify DAI passed to get_channel_map

[Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>]

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 <krzysztof.kozlowski@xxxxxxxxxx>
---
 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(-)

diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index dccda9f1b160..e9751cc94f8c 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 dfb7e4c69683..723d460daa1e 100644
--- a/sound/soc/codecs/lpass-rx-macro.c
+++ b/sound/soc/codecs/lpass-rx-macro.c
@@ -1648,7 +1648,7 @@ 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 6eceeff10bf6..832648b362ef 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 <sound/soc-link.h>
 
 #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)
 {

-- 
2.43.0