[ALSA] hda-codec - Fix ALC882 capture source selection
The capture source selection for ADC list with two elements is buggy
becaues of a wrong capture mux list. This patch fixes the starting
index based on spec->num_adc_nids.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 2a463c9..777f8c0 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5227,10 +5227,14 @@
const struct hda_input_mux *imux = spec->input_mux;
unsigned int adc_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
static hda_nid_t capture_mixers[3] = { 0x24, 0x23, 0x22 };
- hda_nid_t nid = capture_mixers[adc_idx];
+ hda_nid_t nid;
unsigned int *cur_val = &spec->cur_mux[adc_idx];
unsigned int i, idx;
+ if (spec->num_adc_nids < 3)
+ nid = capture_mixers[adc_idx + 1];
+ else
+ nid = capture_mixers[adc_idx];
idx = ucontrol->value.enumerated.item[0];
if (idx >= imux->num_items)
idx = imux->num_items - 1;