ALSA: hda/conexant - Apply the amp cap override for CX20549 mixer

Apply the amp cap override for CX20549 mixer widget in case where the
generic parser is used, too.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_conexant.c

@@ -2872,6 +2872,7 @@ enum {
 	CXT_FIXUP_GPIO1,
 	CXT_FIXUP_THINKPAD_ACPI,
 	CXT_FIXUP_OLPC_XO,
+	CXT_FIXUP_CAP_MIX_AMP,
 };
 
 /* for hda_fixup_thinkpad_acpi() */
@@ -3204,6 +3205,19 @@ static void cxt_fixup_olpc_xo(struct hda_codec *codec,
 	}
 }
 
+/*
+ * Fix max input level on mixer widget to 0dB
+ * (originally it has 0x2b steps with 0dB offset 0x14)
+ */
+static void cxt_fixup_cap_mix_amp(struct hda_codec *codec,
+				  const struct hda_fixup *fix, int action)
+{
+	snd_hda_override_amp_caps(codec, 0x17, HDA_INPUT,
+				  (0x14 << AC_AMPCAP_OFFSET_SHIFT) |
+				  (0x14 << AC_AMPCAP_NUM_STEPS_SHIFT) |
+				  (0x05 << AC_AMPCAP_STEP_SIZE_SHIFT) |
+				  (1 << AC_AMPCAP_MUTE_SHIFT));
+}
 
 /* ThinkPad X200 & co with cxt5051 */
 static const struct hda_pintbl cxt_pincfg_lenovo_x200[] = {
@@ -3293,6 +3307,26 @@ static const struct hda_fixup cxt_fixups[] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = cxt_fixup_olpc_xo,
 	},
+	[CXT_FIXUP_CAP_MIX_AMP] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = cxt_fixup_cap_mix_amp,
+	},
+};
+
+static const struct snd_pci_quirk cxt5045_fixups[] = {
+	/* HP, Packard Bell, Fujitsu-Siemens & Lenovo laptops have
+	 * really bad sound over 0dB on NID 0x17.
+	 */
+	SND_PCI_QUIRK_VENDOR(0x103c, "HP", CXT_FIXUP_CAP_MIX_AMP),
+	SND_PCI_QUIRK_VENDOR(0x1631, "Packard Bell", CXT_FIXUP_CAP_MIX_AMP),
+	SND_PCI_QUIRK_VENDOR(0x1734, "Fujitsu", CXT_FIXUP_CAP_MIX_AMP),
+	SND_PCI_QUIRK_VENDOR(0x17aa, "Lenovo", CXT_FIXUP_CAP_MIX_AMP),
+	{}
+};
+
+static const struct hda_model_fixup cxt5045_fixup_models[] = {
+	{ .id = CXT_FIXUP_CAP_MIX_AMP, .name = "cap-mix-amp" },
+	{}
 };
 
 static const struct snd_pci_quirk cxt5051_fixups[] = {
@@ -3376,6 +3410,8 @@ static int patch_conexant_auto(struct hda_codec *codec)
 	switch (codec->vendor_id) {
 	case 0x14f15045:
 		codec->single_adc_amp = 1;
+		snd_hda_pick_fixup(codec, cxt5045_fixup_models,
+				   cxt5045_fixups, cxt_fixups);
 		break;
 	case 0x14f15047:
 		codec->pin_amp_workaround = 1;