ASoC: codecs: constify static sdw_slave_ops struct

The struct sdw_slave_ops is not modified and sdw_driver takes pointer to
const, so make it a const for code safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230124163953.345949-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt1316-sdw.c

@@ -584,7 +584,7 @@ static int rt1316_sdw_pcm_hw_free(struct snd_pcm_substream *substream,
  * slave_ops: callbacks for get_clock_stop_mode, clock_stop and
  * port_prep are not defined for now
  */
-static struct sdw_slave_ops rt1316_slave_ops = {
+static const struct sdw_slave_ops rt1316_slave_ops = {
 	.read_prop = rt1316_read_prop,
 	.update_status = rt1316_update_status,
 };

sound/soc/codecs/rt1318-sdw.c

@@ -697,7 +697,7 @@ static int rt1318_sdw_pcm_hw_free(struct snd_pcm_substream *substream,
  * slave_ops: callbacks for get_clock_stop_mode, clock_stop and
  * port_prep are not defined for now
  */
-static struct sdw_slave_ops rt1318_slave_ops = {
+static const struct sdw_slave_ops rt1318_slave_ops = {
 	.read_prop = rt1318_read_prop,
 	.update_status = rt1318_update_status,
 };

sound/soc/codecs/rt711-sdca-sdw.c

@@ -338,7 +338,7 @@ static int rt711_sdca_interrupt_callback(struct sdw_slave *slave,
 	return ret;
 }
 
-static struct sdw_slave_ops rt711_sdca_slave_ops = {
+static const struct sdw_slave_ops rt711_sdca_slave_ops = {
 	.read_prop = rt711_sdca_read_prop,
 	.interrupt_callback = rt711_sdca_interrupt_callback,
 	.update_status = rt711_sdca_update_status,

sound/soc/codecs/rt715-sdca-sdw.c

@@ -172,7 +172,7 @@ static int rt715_sdca_read_prop(struct sdw_slave *slave)
 	return 0;
 }
 
-static struct sdw_slave_ops rt715_sdca_slave_ops = {
+static const struct sdw_slave_ops rt715_sdca_slave_ops = {
 	.read_prop = rt715_sdca_read_prop,
 	.update_status = rt715_sdca_update_status,
 };

sound/soc/codecs/wcd938x-sdw.c

@@ -191,7 +191,7 @@ static int wcd9380_interrupt_callback(struct sdw_slave *slave,
 	return IRQ_HANDLED;
 }
 
-static struct sdw_slave_ops wcd9380_slave_ops = {
+static const struct sdw_slave_ops wcd9380_slave_ops = {
 	.update_status = wcd9380_update_status,
 	.interrupt_callback = wcd9380_interrupt_callback,
 	.bus_config = wcd9380_bus_config,

sound/soc/codecs/wsa881x.c

@@ -1106,7 +1106,7 @@ static int wsa881x_bus_config(struct sdw_slave *slave,
 	return 0;
 }
 
-static struct sdw_slave_ops wsa881x_slave_ops = {
+static const struct sdw_slave_ops wsa881x_slave_ops = {
 	.update_status = wsa881x_update_status,
 	.bus_config = wsa881x_bus_config,
 	.port_prep = wsa881x_port_prep,

sound/soc/codecs/wsa883x.c

@@ -1073,7 +1073,7 @@ static int wsa883x_port_prep(struct sdw_slave *slave,
 	return 0;
 }
 
-static struct sdw_slave_ops wsa883x_slave_ops = {
+static const struct sdw_slave_ops wsa883x_slave_ops = {
 	.update_status = wsa883x_update_status,
 	.port_prep = wsa883x_port_prep,
 };