firmware: cs_dsp: Make wmfw and bin filename arguments const char *

The wmfw_filename and bin_filename strings passed into cs_dsp_power_up()
and cs_dsp_adsp1_power_up() should be const char *.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20240710103640.78197-3-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: rfvirgil

drivers/firmware/cirrus/cs_dsp.c

@@ -2410,8 +2410,8 @@ EXPORT_SYMBOL_NS_GPL(cs_dsp_adsp1_init, FW_CS_DSP);
  * Return: Zero for success, a negative number on error.
  */
 int cs_dsp_adsp1_power_up(struct cs_dsp *dsp,
-			  const struct firmware *wmfw_firmware, char *wmfw_filename,
-			  const struct firmware *coeff_firmware, char *coeff_filename,
+			  const struct firmware *wmfw_firmware, const char *wmfw_filename,
+			  const struct firmware *coeff_firmware, const char *coeff_filename,
 			  const char *fw_name)
 {
 	unsigned int val;
@@ -2704,8 +2704,8 @@ static void cs_dsp_halo_stop_watchdog(struct cs_dsp *dsp)
  * Return: Zero for success, a negative number on error.
  */
 int cs_dsp_power_up(struct cs_dsp *dsp,
-		    const struct firmware *wmfw_firmware, char *wmfw_filename,
-		    const struct firmware *coeff_firmware, char *coeff_filename,
+		    const struct firmware *wmfw_firmware, const char *wmfw_filename,
+		    const struct firmware *coeff_firmware, const char *coeff_filename,
 		    const char *fw_name)
 {
 	int ret;

include/linux/firmware/cirrus/cs_dsp.h

@@ -213,13 +213,13 @@ int cs_dsp_adsp2_init(struct cs_dsp *dsp);
 int cs_dsp_halo_init(struct cs_dsp *dsp);
 
 int cs_dsp_adsp1_power_up(struct cs_dsp *dsp,
-			  const struct firmware *wmfw_firmware, char *wmfw_filename,
-			  const struct firmware *coeff_firmware, char *coeff_filename,
+			  const struct firmware *wmfw_firmware, const char *wmfw_filename,
+			  const struct firmware *coeff_firmware, const char *coeff_filename,
 			  const char *fw_name);
 void cs_dsp_adsp1_power_down(struct cs_dsp *dsp);
 int cs_dsp_power_up(struct cs_dsp *dsp,
-		    const struct firmware *wmfw_firmware, char *wmfw_filename,
-		    const struct firmware *coeff_firmware, char *coeff_filename,
+		    const struct firmware *wmfw_firmware, const char *wmfw_filename,
+		    const struct firmware *coeff_firmware, const char *coeff_filename,
 		    const char *fw_name);
 void cs_dsp_power_down(struct cs_dsp *dsp);
 int cs_dsp_run(struct cs_dsp *dsp);