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Groups > linux.kernel > #1172052
| From | Luis Henriques <luis.henriques@canonical.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 3.16.y-ckt 64/71] ALSA: hda - adding a DAC/pin preference map for a HP Envy TS machine |
| Date | 2015-06-25 12:10 +0200 |
| Message-ID | <pFcgC-5Bx-129@gated-at.bofh.it> (permalink) |
| References | <pFcgx-5Bx-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
3.16.7-ckt14 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Hui Wang <hui.wang@canonical.com>
commit 6ab42ff44864d26e8e498b8ac655d24ee389d267 upstream.
On a HP Envy TouchSmart laptop, there are 2 speakers (main speaker
and subwoofer speaker), 1 headphone and 2 DACs, without this fixup,
the headphone will be assigned to a DAC and the 2 speakers will be
assigned to another DAC, this assignment makes the surround-2.1
channels invalid.
To fix it, here using a DAC/pin preference map to bind the main
speaker to 1 DAC and the subwoofer speaker will be assigned to another
DAC.
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
sound/pci/hda/patch_sigmatel.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 8c478464c21d..ede3fa19f801 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -106,6 +106,7 @@ enum {
STAC_HP_ENVY_BASS,
STAC_HP_BNB13_EQ,
STAC_HP_ENVY_TS_BASS,
+ STAC_HP_ENVY_TS_DAC_BIND,
STAC_92HD83XXX_GPIO10_EAPD,
STAC_92HD83XXX_MODELS
};
@@ -2202,6 +2203,22 @@ static void stac92hd83xxx_fixup_gpio10_eapd(struct hda_codec *codec,
spec->eapd_switch = 0;
}
+static void hp_envy_ts_fixup_dac_bind(struct hda_codec *codec,
+ const struct hda_fixup *fix,
+ int action)
+{
+ struct sigmatel_spec *spec = codec->spec;
+ static hda_nid_t preferred_pairs[] = {
+ 0xd, 0x13,
+ 0
+ };
+
+ if (action != HDA_FIXUP_ACT_PRE_PROBE)
+ return;
+
+ spec->gen.preferred_dacs = preferred_pairs;
+}
+
static const struct hda_verb hp_bnb13_eq_verbs[] = {
/* 44.1KHz base */
{ 0x22, 0x7A6, 0x3E },
@@ -2717,6 +2734,12 @@ static const struct hda_fixup stac92hd83xxx_fixups[] = {
{}
},
},
+ [STAC_HP_ENVY_TS_DAC_BIND] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = hp_envy_ts_fixup_dac_bind,
+ .chained = true,
+ .chain_id = STAC_HP_ENVY_TS_BASS,
+ },
[STAC_92HD83XXX_GPIO10_EAPD] = {
.type = HDA_FIXUP_FUNC,
.v.func = stac92hd83xxx_fixup_gpio10_eapd,
@@ -2795,6 +2818,8 @@ static const struct snd_pci_quirk stac92hd83xxx_fixup_tbl[] = {
"HP bNB13", STAC_HP_BNB13_EQ),
SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x190e,
"HP ENVY TS", STAC_HP_ENVY_TS_BASS),
+ SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x1967,
+ "HP ENVY TS", STAC_HP_ENVY_TS_DAC_BIND),
SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x1940,
"HP bNB13", STAC_HP_BNB13_EQ),
SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x1941,
--
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