This patch enables headset microphone on some variants of
Dell Inspiron 5468. (Dell SSID 0x07ad)
BugLink: https://bugs.launchpad.net/bugs/1617900
Signed-off-by: Shrirang Bagul <shrirang.bagul@canonical.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 
                {0x12, 0x90a60170},
                {0x14, 0x90170120},
                {0x21, 0x02211030}),
+       SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell Inspiron 5468", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
+               {0x12, 0x90a60180},
+               {0x14, 0x90170120},
+               {0x21, 0x02211030}),
        SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
                ALC256_STANDARD_PINS),
        SND_HDA_PIN_QUIRK(0x10ec0280, 0x103c, "HP", ALC280_FIXUP_HP_GPIO4,