This enables the headset microphone on Dell Inspiron 5548,
or at least some variants of it.
Cc: stable@vger.kernel.org
BugLink: https://bugs.launchpad.net/bugs/1452175
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
                {0x17, 0x40000000},
                {0x1d, 0x40700001},
                {0x21, 0x02211050}),
+       SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell Inspiron 5548", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
+               ALC255_STANDARD_PINS,
+               {0x12, 0x90a60180},
+               {0x14, 0x90170130},
+               {0x17, 0x40000000},
+               {0x1d, 0x40700001},
+               {0x21, 0x02211040}),
        SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
                ALC256_STANDARD_PINS,
                {0x13, 0x40000000}),