[ALSA] oxygen: add front panel controls

Add mixer controls for the front panel AC97 codec.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/oxygen/oxygen_lib.c b/sound/pci/oxygen/oxygen_lib.c
index de6bf41..540e56b 100644
--- a/sound/pci/oxygen/oxygen_lib.c
+++ b/sound/pci/oxygen/oxygen_lib.c
@@ -365,8 +365,7 @@
 		oxygen_write_ac97(chip, 1, AC97_AUX, 0x8808);
 		oxygen_write_ac97(chip, 1, AC97_PCM, 0x0808);
 		oxygen_write_ac97(chip, 1, AC97_REC_SEL, 0x0000);
-		oxygen_write_ac97(chip, 1, AC97_REC_GAIN, 0x8000);
-		oxygen_ac97_clear_bits(chip, 1, AC97_REC_GAIN, 0x1c00);
+		oxygen_write_ac97(chip, 1, AC97_REC_GAIN, 0x0000);
 		oxygen_ac97_set_bits(chip, 1, 0x6a, 0x0040);
 	}
 }