ALSA: ctxfi - Add PM support

Added the suspend/resume support to ctxfi driver.

The team tested on the following seems ok:
  AMD Athlon 64 3500+ / ASUS A8N-E / 512MB DDR ATI / Radeon X1300
  20k1 & 20k2 cards

Signed-off-by: Wai Yew CHAY <wychay@ctl.creative.com>
Singed-off-by: Ryan RICHARDS <ryan_richards@creativelabs.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 7 insertions, 0 deletions

diff --git a/sound/pci/ctxfi/ctatc.h b/sound/pci/ctxfi/ctatc.h
index 9fe620ea5f3f..9fd8a5708943 100644
--- a/sound/pci/ctxfi/ctatc.h
+++ b/sound/pci/ctxfi/ctatc.h
@@ -136,6 +136,13 @@ struct ct_atc {
         unsigned char n_pcm;
 
         struct ct_timer *timer;
+
+#ifdef CONFIG_PM
+        int (*suspend)(struct ct_atc *atc, pm_message_t state);
+        int (*resume)(struct ct_atc *atc);
+#define NUM_PCMS (NUM_CTALSADEVS - 1)
+        struct snd_pcm *pcms[NUM_PCMS];
+#endif
 };