From: Mike Pozulp <pozulp.ker...@gmail.com>

[ Upstream commit 14425f1f521fdfe274a7bb390637c786432e08b4 ]

Some models of the Samsung Notebook 9 have very quiet and distorted
headphone output. This quirk changes the VREF value of the ALC298
codec NID 0x1a from default HIZ to new 100.

[ adjusted to 5.7-base and rearranged in SSID order -- tiwai ]

Signed-off-by: Mike Pozulp <pozulp.ker...@gmail.com>
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=207423
Link: https://lore.kernel.org/r/20200510032838.1989130-1-pozulp.ker...@gmail.com
Signed-off-by: Takashi Iwai <ti...@suse.de>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 sound/pci/hda/patch_realtek.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 368ed3678fc2..b377aca71cbf 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6095,6 +6095,7 @@ enum {
        ALC285_FIXUP_HP_GPIO_LED,
        ALC285_FIXUP_HP_MUTE_LED,
        ALC236_FIXUP_HP_MUTE_LED,
+       ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET,
 };
 
 static const struct hda_fixup alc269_fixups[] = {
@@ -7251,6 +7252,13 @@ static const struct hda_fixup alc269_fixups[] = {
                .type = HDA_FIXUP_FUNC,
                .v.func = alc236_fixup_hp_mute_led,
        },
+       [ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET] = {
+               .type = HDA_FIXUP_VERBS,
+               .v.verbs = (const struct hda_verb[]) {
+                       { 0x1a, AC_VERB_SET_PIN_WIDGET_CONTROL, 0xc5 },
+                       { }
+               },
+       },
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -7446,6 +7454,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x10ec, 0x10f2, "Intel Reference board", 
ALC700_FIXUP_INTEL_REFERENCE),
        SND_PCI_QUIRK(0x10f7, 0x8338, "Panasonic CF-SZ6", 
ALC269_FIXUP_HEADSET_MODE),
        SND_PCI_QUIRK(0x144d, 0xc109, "Samsung Ativ book 9 (NP900X3G)", 
ALC269_FIXUP_INV_DMIC),
+       SND_PCI_QUIRK(0x144d, 0xc169, "Samsung Notebook 9 Pen 
(NP930SBE-K01US)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET),
+       SND_PCI_QUIRK(0x144d, 0xc176, "Samsung Notebook 9 Pro 
(NP930MBE-K04US)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET),
        SND_PCI_QUIRK(0x144d, 0xc740, "Samsung Ativ book 8 (NP870Z5G)", 
ALC269_FIXUP_ATIV_BOOK_8),
        SND_PCI_QUIRK(0x1458, 0xfa53, "Gigabyte BXBT-2807", 
ALC283_FIXUP_HEADSET_MIC),
        SND_PCI_QUIRK(0x1462, 0xb120, "MSI Cubi MS-B120", 
ALC283_FIXUP_HEADSET_MIC),
-- 
2.25.1



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