VIDEO_CX88_ALSA must select SND_PCM

- VIDEO_CX88_ALSA must select SND_PCM

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/cx88/Kconfig b/drivers/media/video/cx88/Kconfig
index 5330891..fdf45f7 100644
--- a/drivers/media/video/cx88/Kconfig
+++ b/drivers/media/video/cx88/Kconfig
@@ -32,6 +32,7 @@
 config VIDEO_CX88_ALSA
 	tristate "ALSA DMA audio support"
 	depends on VIDEO_CX88 && SND && EXPERIMENTAL
+	select SND_PCM
 	---help---
 	  This is a video4linux driver for direct (DMA) audio on
 	  Conexant 2388x based TV cards.