ALSA: hda - Use only one capture stream for auto-mic

When the auto-mic feature is enabled, we should support only one
capture stream.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 678c2d7b7f989388f3d817c08525a0d738d7e19c..7ecf929b97a5cf9e165386e77d0276aba51953a0 100644 (file)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4683,8 +4683,10 @@ static void set_capture_mixer(struct alc_spec *spec)
        };
        if (spec->num_adc_nids > 0 && spec->num_adc_nids <= 3) {
                int mux;
-               if (spec->input_mux && spec->input_mux->num_items > 1 &&
-                   !spec->auto_mic)
+               if (spec->auto_mic) {
+                       mux = 0;
+                       spec->num_adc_nids = 1; /* support only one ADC */
+               } else if (spec->input_mux && spec->input_mux->num_items > 1)
                        mux = 1;
                else
                        mux = 0;