[ALSA] ac97 - Suppress power-saving mode on non-supporting drivers

Don't enable power-saving mode on drivers that don't support
it.  The supporting drivers set AC97_SCAP_POWER_SAVE to scaps
at creation of ac97 instance.
Currently enable on the following drivers: intel8x0, intel8x0m,
atiixp, atiixp-modem, via82xx and via82xx-modem.
Also, a bit clean up of power-saving stuff:
- Don't create an own workq
- Remove superfluous ifdefs

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c
index 476c3433073e..86710df71a8e 100644
--- a/sound/pci/atiixp.c
+++ b/sound/pci/atiixp.c
@@ -1396,7 +1396,7 @@ static int __devinit snd_atiixp_mixer_new(struct atiixp *chip, int clock,
                 ac97.private_data = chip;
                 ac97.pci = chip->pci;
                 ac97.num = i;
-                ac97.scaps = AC97_SCAP_SKIP_MODEM;
+                ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE;
                 if (! chip->spdif_over_aclink)
                         ac97.scaps |= AC97_SCAP_NO_SPDIF;
                 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) {