ALSA: platform: Check CONFIG_PM_SLEEP instead of CONFIG_PM

When CONFIG_PM is set but CONFIG_PM_SLEEP is unset,
SIMPLE_DEV_PM_OPS() ignores the given functions, and this leads to
compile warnings.

For avoiding this, simply check CONFIG_PM_SLEEP instead of CONFIG_PM.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/arm/pxa2xx-ac97.c

@@ -106,7 +106,7 @@ static struct pxa2xx_pcm_client pxa2xx_ac97_pcm_client = {
 	.prepare		= pxa2xx_ac97_pcm_prepare,
 };
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 
 static int pxa2xx_ac97_do_suspend(struct snd_card *card)
 {
@@ -243,7 +243,7 @@ static struct platform_driver pxa2xx_ac97_driver = {
 	.driver		= {
 		.name	= "pxa2xx-ac97",
 		.owner	= THIS_MODULE,
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 		.pm	= &pxa2xx_ac97_pm_ops,
 #endif
 	},

sound/atmel/abdac.c

@@ -534,7 +534,7 @@ static int __devinit atmel_abdac_probe(struct platform_device *pdev)
 	return retval;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int atmel_abdac_suspend(struct device *pdev)
 {
 	struct snd_card *card = dev_get_drvdata(pdev);

sound/atmel/ac97c.c

@@ -1134,7 +1134,7 @@ static int __devinit atmel_ac97c_probe(struct platform_device *pdev)
 	return retval;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int atmel_ac97c_suspend(struct device *pdev)
 {
 	struct snd_card *card = dev_get_drvdata(pdev);

sound/drivers/aloop.c

@@ -1176,7 +1176,7 @@ static int __devexit loopback_remove(struct platform_device *devptr)
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int loopback_suspend(struct device *pdev)
 {
 	struct snd_card *card = dev_get_drvdata(pdev);

sound/drivers/dummy.c

@@ -1064,7 +1064,7 @@ static int __devexit snd_dummy_remove(struct platform_device *devptr)
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int snd_dummy_suspend(struct device *pdev)
 {
 	struct snd_card *card = dev_get_drvdata(pdev);

sound/drivers/pcsp/pcsp.c

@@ -199,7 +199,7 @@ static void pcsp_stop_beep(struct snd_pcsp *chip)
 	pcspkr_stop_sound();
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int pcsp_suspend(struct device *dev)
 {
 	struct snd_pcsp *chip = dev_get_drvdata(dev);
@@ -212,7 +212,7 @@ static SIMPLE_DEV_PM_OPS(pcsp_pm, pcsp_suspend, NULL);
 #define PCSP_PM_OPS	&pcsp_pm
 #else
 #define PCSP_PM_OPS	NULL
-#endif	/* CONFIG_PM */
+#endif	/* CONFIG_PM_SLEEP */
 
 static void pcsp_shutdown(struct platform_device *dev)
 {

sound/ppc/powermac.c

@@ -143,7 +143,7 @@ static int __devexit snd_pmac_remove(struct platform_device *devptr)
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int snd_pmac_driver_suspend(struct device *dev)
 {
 	struct snd_card *card = dev_get_drvdata(dev);