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-rw-r--r--sound/pci/hda/patch_sigmatel.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index c8d812ecb943..4ab019d0924e 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -3594,7 +3594,7 @@ static int stac_check_auto_mic(struct hda_codec *codec)
if (check_mic_pin(codec, spec->dmic_nids[i],
&fixed, &ext, &dock))
return 0;
- if (!fixed && !ext && !dock)
+ if (!fixed || (!ext && !dock))
return 0; /* no input to switch */
if (!(get_wcaps(codec, ext) & AC_WCAP_UNSOL_CAP))
return 0; /* no unsol support */