ASoC: cs35l32: Convert to RUNTIME_PM_OPS()

Use the newer RUNTIME_PM_OPS() macro instead of SET_RUNTIME_PM_OPS()
together with pm_ptr(), which allows us dropping superfluous CONFIG_PM
ifdefs.

This optimizes slightly when CONFIG_PM is disabled, too.

Cc: [e-mail]
Reviewed-by: Charles Keepax <[e-mail]>
Signed-off-by: Takashi Iwai <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

sound/soc/codecs/cs35l32.c

···
 	gpiod_set_value_cansleep(cs35l32->reset_gpio, 0);
 }
 
-#ifdef CONFIG_PM
 static int cs35l32_runtime_suspend(struct device *dev)
 {
 	struct cs35l32_private *cs35l32 = dev_get_drvdata(dev);
···
 
 	return 0;
 }
-#endif
 
 static const struct dev_pm_ops cs35l32_runtime_pm = {
-	SET_RUNTIME_PM_OPS(cs35l32_runtime_suspend, cs35l32_runtime_resume,
-			   NULL)
+	RUNTIME_PM_OPS(cs35l32_runtime_suspend, cs35l32_runtime_resume, NULL)
 };
 
 static const struct of_device_id cs35l32_of_match[] = {
···
 static struct i2c_driver cs35l32_i2c_driver = {
 	.driver = {
 		   .name = "cs35l32",
-		   .pm = &cs35l32_runtime_pm,
+		   .pm = pm_ptr(&cs35l32_runtime_pm),
 		   .of_match_table = cs35l32_of_match,
 		   },
 	.id_table = cs35l32_id,