Merge branch 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa

* 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa: (102 commits)
  [ALSA] version 1.0.14
  [ALSA] remove duplicate Logitech Quickcam USB ID in usbquirks.h
  [ALSA] hda-codec - Fix input with STAC92xx
  [ALSA] hda-intel: support for iMac 24'' released on 09/2006
  [ALSA] hda-codec - Add quirk for Asus P5LD2
  [ALSA] snd-ca0106: Add support for X-Fi Extreme Audio.
  [ALSA] snd-emu10k1:Enable E-Mu 1616m notebook firmware loading.
  [ALSA] snd-emu10k1: Initial support for E-Mu 1616 and 1616m.
  [ALSA] cs46xx - Fix PM resume
  [ALSA] hda: Enable SPDIF in/out on some stac9205 boards
  [ALSA] timer: check for incorrect device state in non-debug compiles, too
  [ALSA] snd-aoa-codec-onyx: fix typo
  [ALSA] hda-codec - Add quirks for HP dx2200/dx2250
  [ALSA] hda-codec - Rename HP model-specific quirks
  [ALSA] hda-codec - Add quirk for HP Samba
  [ALSA] hda-codec - Add LG LW20 line-in capture source
  [ALSA] usb-audio - Fix AC3 with M-Audio Audiophile USB
  [ALSA] hda: stac9202 mixer fix
  [ALSA] Make s3c24xx_i2s_set_clkdiv() change the correct bits
  [ALSA] hda-codec - Add LG LW20 si3054 modem id
  ...

1 files changed, 22 insertions, 2 deletions

diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c
index 8805110017a7..fd335159f849 100644
--- a/sound/i2c/other/ak4xxx-adda.c
+++ b/sound/i2c/other/ak4xxx-adda.c
@@ -481,8 +481,8 @@ static int ak4xxx_switch_get(struct snd_kcontrol *kcontrol,
         int addr = AK_GET_ADDR(kcontrol->private_value);
         int shift = AK_GET_SHIFT(kcontrol->private_value);
         int invert = AK_GET_INVERT(kcontrol->private_value);
-        unsigned char val = snd_akm4xxx_get(ak, chip, addr);
-
+        /* we observe the (1<<shift) bit only */
+        unsigned char val = snd_akm4xxx_get(ak, chip, addr) & (1<<shift);
         if (invert)
                 val = ! val;
         ucontrol->value.integer.value[0] = (val & (1<<shift)) != 0;
@@ -585,6 +585,26 @@ static int build_dac_controls(struct snd_akm4xxx *ak)
 
         mixer_ch = 0;
         for (idx = 0; idx < ak->num_dacs; ) {
+                /* mute control for Revolution 7.1 - AK4381 */
+                if (ak->type == SND_AK4381 
+                                &&  ak->dac_info[mixer_ch].switch_name) {
+                        memset(&knew, 0, sizeof(knew));
+                        knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+                        knew.count = 1;
+                        knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
+                        knew.name = ak->dac_info[mixer_ch].switch_name;
+                        knew.info = ak4xxx_switch_info;
+                        knew.get = ak4xxx_switch_get;
+                        knew.put = ak4xxx_switch_put;
+                        knew.access = 0;
+                        /* register 1, bit 0 (SMUTE): 0 = normal operation,
+                           1 = mute */
+                        knew.private_value =
+                                AK_COMPOSE(idx/2, 1, 0, 0) | AK_INVERT;
+                        err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
+                        if (err < 0)
+                                return err;
+                }
                 memset(&knew, 0, sizeof(knew));
                 if (! ak->dac_info || ! ak->dac_info[mixer_ch].name) {
                         knew.name = "DAC Volume";