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Diffstat (limited to 'sound/i2c/other/ak4xxx-adda.c')
-rw-r--r--sound/i2c/other/ak4xxx-adda.c24
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,
481 int addr = AK_GET_ADDR(kcontrol->private_value); 481 int addr = AK_GET_ADDR(kcontrol->private_value);
482 int shift = AK_GET_SHIFT(kcontrol->private_value); 482 int shift = AK_GET_SHIFT(kcontrol->private_value);
483 int invert = AK_GET_INVERT(kcontrol->private_value); 483 int invert = AK_GET_INVERT(kcontrol->private_value);
484 unsigned char val = snd_akm4xxx_get(ak, chip, addr); 484 /* we observe the (1<<shift) bit only */
485 485 unsigned char val = snd_akm4xxx_get(ak, chip, addr) & (1<<shift);
486 if (invert) 486 if (invert)
487 val = ! val; 487 val = ! val;
488 ucontrol->value.integer.value[0] = (val & (1<<shift)) != 0; 488 ucontrol->value.integer.value[0] = (val & (1<<shift)) != 0;
@@ -585,6 +585,26 @@ static int build_dac_controls(struct snd_akm4xxx *ak)
585 585
586 mixer_ch = 0; 586 mixer_ch = 0;
587 for (idx = 0; idx < ak->num_dacs; ) { 587 for (idx = 0; idx < ak->num_dacs; ) {
588 /* mute control for Revolution 7.1 - AK4381 */
589 if (ak->type == SND_AK4381
590 && ak->dac_info[mixer_ch].switch_name) {
591 memset(&knew, 0, sizeof(knew));
592 knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
593 knew.count = 1;
594 knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
595 knew.name = ak->dac_info[mixer_ch].switch_name;
596 knew.info = ak4xxx_switch_info;
597 knew.get = ak4xxx_switch_get;
598 knew.put = ak4xxx_switch_put;
599 knew.access = 0;
600 /* register 1, bit 0 (SMUTE): 0 = normal operation,
601 1 = mute */
602 knew.private_value =
603 AK_COMPOSE(idx/2, 1, 0, 0) | AK_INVERT;
604 err = snd_ctl_add(ak->card, snd_ctl_new1(&knew, ak));
605 if (err < 0)
606 return err;
607 }
588 memset(&knew, 0, sizeof(knew)); 608 memset(&knew, 0, sizeof(knew));
589 if (! ak->dac_info || ! ak->dac_info[mixer_ch].name) { 609 if (! ak->dac_info || ! ak->dac_info[mixer_ch].name) {
590 knew.name = "DAC Volume"; 610 knew.name = "DAC Volume";