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, 4 insertions, 0 deletions

diff --git a/sound/pci/ctxfi/cthardware.h b/sound/pci/ctxfi/cthardware.h
index a4c2cad80f3a..af55405f5dec 100644
--- a/sound/pci/ctxfi/cthardware.h
+++ b/sound/pci/ctxfi/cthardware.h
@@ -64,6 +64,10 @@ struct hw {
         int (*card_init)(struct hw *hw, struct card_conf *info);
         int (*card_stop)(struct hw *hw);
         int (*pll_init)(struct hw *hw, unsigned int rsr);
+#ifdef CONFIG_PM
+        int (*suspend)(struct hw *hw, pm_message_t state);
+        int (*resume)(struct hw *hw, struct card_conf *info);
+#endif
         int (*is_adc_source_selected)(struct hw *hw, enum ADCSRC source);
         int (*select_adc_source)(struct hw *hw, enum ADCSRC source);
         int (*have_digit_io_switch)(struct hw *hw);