On 12/17/2013 10:57 AM, Hui Wang wrote: > On 12/17/2013 05:43 PM, David Henningsson wrote: >> On 12/17/2013 10:39 AM, Hui Wang wrote: >>> On the Dell machines with codec whose Subsystem Id is 0x10280640, >>> no external microphone can be detected when plugging a 3-ring headset. >>> If we add "model=dell-headset-multi" for the snd-hda-intel.ko, the >>> problem will disappear. >>> >>> The codec (Vendor ID: 0x10ec0255) on the machine belongs to alc_269 >>> family. >>> >>> BugLink: https://bugs.launchpad.net/bugs/1260303 >>> Cc: David Henningsson <david.henningsson@xxxxxxxxxxxxx> >>> Cc: stable@xxxxxxxxxxxxxxx >>> Signed-off-by: Hui Wang <hui.wang@xxxxxxxxxxxxx> >>> --- >>> This patch was generated against the master branch of >>> git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git >>> >>> sound/pci/hda/patch_realtek.c | 1 + >>> 1 file changed, 1 insertion(+) >>> >>> diff --git a/sound/pci/hda/patch_realtek.c >>> b/sound/pci/hda/patch_realtek.c >>> index 3578f11..4d7c602 100644 >>> --- a/sound/pci/hda/patch_realtek.c >>> +++ b/sound/pci/hda/patch_realtek.c >>> @@ -4309,6 +4309,7 @@ static const struct snd_pci_quirk >>> alc269_fixup_tbl[] = { >>> SND_PCI_QUIRK(0x1028, 0x0638, "Dell Inspiron 5439", >>> ALC290_FIXUP_MONO_SPEAKERS), >>> SND_PCI_QUIRK(0x1028, 0x063e, "Dell", >>> ALC269_FIXUP_DELL1_MIC_NO_PRESENCE), >>> SND_PCI_QUIRK(0x1028, 0x063f, "Dell", >>> ALC255_FIXUP_DELL1_MIC_NO_PRESENCE), >>> + SND_PCI_QUIRK(0x1028, 0x0640, "Dell", >>> ALC269_FIXUP_DELL1_MIC_NO_PRESENCE), >> Are you sure it shouldn't be ALC255_FIXUP_... in this line instead of >> ALC269_FIXUP_... ? > I also had the same concern as yours yesterday, so i let ShawnWang > perform the test, he confirmed that adding "model=dell-headset-multi" > can solve this problem. Below is the irc log: > > <hwang4> shawnwang, Does adding "options snd-hda-intel > model=,dell-headset-multi" solve the problem on this machine (10280640) > <shawnwang> hwang4, yes > <hwang4> shawnwang, ok, got it, i will fix it. Well, just because the alc269 model works does not mean that the alc255 model does not work. They are quite similar, with the only difference being a few verbs set on initial boot. Maybe those verbs handle some corner case that was not tested explicitly by Shawn. -- David Henningsson, Canonical Ltd. https://launchpad.net/~diwic -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html