ASoC: cs35l41: Make cs35l41_remove() return void

Up to now cs35l41_remove() returns zero unconditionally. Make it
return void instead which makes it easier to see in the callers that
there is no error to handle.

Also the return value of i2c, platform and spi remove callbacks is
ignored anyway.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20211020132416.30288-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/cs35l41-i2c.c

@@ -75,7 +75,9 @@ static int cs35l41_i2c_remove(struct i2c_client *client)
 {
 	struct cs35l41_private *cs35l41 = i2c_get_clientdata(client);
 
-	return cs35l41_remove(cs35l41);
+	cs35l41_remove(cs35l41);
+
+	return 0;
 }
 
 #ifdef CONFIG_OF

sound/soc/codecs/cs35l41-spi.c

@@ -100,7 +100,9 @@ static int cs35l41_spi_remove(struct spi_device *spi)
 {
 	struct cs35l41_private *cs35l41 = spi_get_drvdata(spi);
 
-	return cs35l41_remove(cs35l41);
+	cs35l41_remove(cs35l41);
+
+	return 0;
 }
 
 #ifdef CONFIG_OF

sound/soc/codecs/cs35l41.c

@@ -1433,13 +1433,11 @@ int cs35l41_probe(struct cs35l41_private *cs35l41,
 	return ret;
 }
 
-int cs35l41_remove(struct cs35l41_private *cs35l41)
+void cs35l41_remove(struct cs35l41_private *cs35l41)
 {
 	regmap_write(cs35l41->regmap, CS35L41_IRQ1_MASK1, 0xFFFFFFFF);
 	regulator_bulk_disable(CS35L41_NUM_SUPPLIES, cs35l41->supplies);
 	gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
-
-	return 0;
 }
 
 MODULE_DESCRIPTION("ASoC CS35L41 driver");

sound/soc/codecs/cs35l41.h

@@ -770,6 +770,6 @@ struct cs35l41_private {
 
 int cs35l41_probe(struct cs35l41_private *cs35l41,
 		  struct cs35l41_platform_data *pdata);
-int cs35l41_remove(struct cs35l41_private *cs35l41);
+void cs35l41_remove(struct cs35l41_private *cs35l41);
 
 #endif /*__CS35L41_H__*/