[ALSA] hda-codec - Use model=ref for some Dell laptops

Force to choose model=ref for some Dell laptops with STAC9200 codec
chip for fixing the silent mic recording problem (possibly due to
a BIOS bug).  Reference: ALSA bug#2038
So far, applied to Inspiron 630m, Latitude D620 and 120L.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 7 insertions, 0 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 239ae3fad054..8d5ad7c0db07 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -582,6 +582,13 @@ static struct hda_board_config stac9205_cfg_tbl[] = {
           .pci_subvendor = PCI_VENDOR_ID_INTEL,
           .pci_subdevice = 0x2668,      /* DFI LanParty */
           .config = STAC_REF },         /* SigmaTel reference board */
+        /* Dell laptops have BIOS problem */
+        { .pci_subvendor = PCI_VENDOR_ID_DELL, .pci_subdevice = 0x01b5,
+          .config = STAC_REF }, /* Dell Inspiron 630m */
+        { .pci_subvendor = PCI_VENDOR_ID_DELL, .pci_subdevice = 0x01c2,
+          .config = STAC_REF }, /* Dell Latitude D620 */
+        { .pci_subvendor = PCI_VENDOR_ID_DELL, .pci_subdevice = 0x01cb,
+          .config = STAC_REF }, /* Dell Latitude 120L */
         {} /* terminator */
 };