ASoC: SOF: acpi: Convert to EXPORT_NS_DEV_PM_OPS()

Use the newer EXPORT_NS_DEV_PM_OPS() macro together with pm_ptr().

This optimizes slightly when CONFIG_PM is disabled, too.

Cc: [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/sof/intel/bdw.c

···
 	.remove = sof_acpi_remove,
 	.driver = {
 		.name = "sof-audio-acpi-intel-bdw",
-		.pm = &sof_acpi_pm,
+		.pm = pm_ptr(&sof_acpi_pm),
 		.acpi_match_table = sof_broadwell_match,
 	},
 };

sound/soc/sof/intel/byt.c

···
 	.remove = sof_acpi_remove,
 	.driver = {
 		.name = "sof-audio-acpi-intel-byt",
-		.pm = &sof_acpi_pm,
+		.pm = pm_ptr(&sof_acpi_pm),
 		.acpi_match_table = sof_baytrail_match,
 	},
 };

sound/soc/sof/sof-acpi-dev.c

···
 
 #define SOF_ACPI_DISABLE_PM_RUNTIME BIT(0)
 
-const struct dev_pm_ops sof_acpi_pm = {
-	SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
-	SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
-			   snd_sof_runtime_idle)
+EXPORT_NS_DEV_PM_OPS(sof_acpi_pm, SND_SOC_SOF_ACPI_DEV) = {
+	SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume)
+	RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume,
+		       snd_sof_runtime_idle)
 };
-EXPORT_SYMBOL_NS(sof_acpi_pm, "SND_SOC_SOF_ACPI_DEV");
 
 static void sof_acpi_probe_complete(struct device *dev)
 {