[ALSA] pcsp: Fix build with CONFIG_PM=n
sound/drivers/pcsp/pcsp.c: In function 'pcsp_suspend':
sound/drivers/pcsp/pcsp.c:201: error: implicit declaration of function 'snd_pcm_suspend_all'
Signed-off-by: Johann Felix Soden <johfel@users.sourceforge.net>
CC: Stas Sergeev <stsp@aknet.ru>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/drivers/pcsp/pcsp.c b/sound/drivers/pcsp/pcsp.c
index 5920351..54a1f90 100644
--- a/sound/drivers/pcsp/pcsp.c
+++ b/sound/drivers/pcsp/pcsp.c
@@ -194,6 +194,7 @@
spin_unlock_irq(&chip->substream_lock);
}
+#ifdef CONFIG_PM
static int pcsp_suspend(struct platform_device *dev, pm_message_t state)
{
struct snd_pcsp *chip = platform_get_drvdata(dev);
@@ -201,6 +202,9 @@
snd_pcm_suspend_all(chip->pcm);
return 0;
}
+#else
+#define pcsp_suspend NULL
+#endif /* CONFIG_PM */
static void pcsp_shutdown(struct platform_device *dev)
{
