[PATCH v4 09/10] ALSA: hda/realtek: Add support for Legion 7 16ACHg6 laptop

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Add Support for CS35L41 using the component binding
method

Signed-off-by: Lucas Tanure <tanureal@xxxxxxxxxxxxxxxxxxxxx>
---
 sound/pci/hda/patch_realtek.c | 110 ++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 3599f4c85ebf..c7afabfae574 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -25,6 +25,7 @@
 #include "hda_auto_parser.h"
 #include "hda_jack.h"
 #include "hda_generic.h"
+#include "hda_component.h"
 
 /* keep halting ALC5505 DSP, for power saving */
 #define HALT_REALTEK_ALC5505
@@ -126,6 +127,10 @@ struct alc_spec {
 	unsigned int coef0;
 	struct input_dev *kb_dev;
 	u8 alc_mute_keycode_map[1];
+
+	/* component binding */
+	struct component_match *match;
+	struct hda_component comps[HDA_MAX_COMPONENTS];
 };
 
 /*
@@ -6497,6 +6502,105 @@ static void alc287_fixup_legion_15imhg05_speakers(struct hda_codec *codec,
 	}
 }
 
+static int comp_match_dev_name(struct device *dev, void *data)
+{
+	if (strcmp(dev_name(dev), data) == 0)
+		return 1;
+
+	return 0;
+}
+
+static int find_comp_by_dev_name(struct alc_spec *spec, const char *name)
+{
+	int i;
+
+	for (i = 0; i < HDA_MAX_COMPONENTS; i++) {
+		if (strcmp(spec->comps[i].name, name) == 0)
+			return i;
+	}
+
+	return -ENODEV;
+}
+
+static int comp_bind(struct device *dev)
+{
+	struct hda_codec *codec = dev_to_hda_codec(dev);
+	struct alc_spec *spec = codec->spec;
+
+	return component_bind_all(dev, spec->comps);
+}
+
+static void comp_unbind(struct device *dev)
+{
+	struct hda_codec *codec = dev_to_hda_codec(dev);
+	struct alc_spec *spec = codec->spec;
+
+	component_unbind_all(dev, spec->comps);
+}
+
+static const struct component_master_ops comp_master_ops = {
+	.bind = comp_bind,
+	.unbind = comp_unbind,
+};
+
+void comp_generic_playback_hook(struct hda_pcm_stream *hinfo, struct hda_codec *codec,
+				struct snd_pcm_substream *sub, int action)
+{
+	struct alc_spec *spec = codec->spec;
+	int i;
+
+	for (i = 0; i < HDA_MAX_COMPONENTS; i++) {
+		if (spec->comps[i].dev)
+			spec->comps[i].playback_hook(spec->comps[i].dev, action);
+	}
+}
+
+void alc287_legion_16achg6_playback_hook(struct hda_pcm_stream *hinfo, struct hda_codec *codec,
+					 struct snd_pcm_substream *sub, int action)
+{
+	struct alc_spec *spec = codec->spec;
+	unsigned int rx_slot;
+	int i = 0;
+
+	switch (action) {
+	case HDA_GEN_PCM_ACT_PREPARE:
+		rx_slot = 0;
+		i = find_comp_by_dev_name(spec, "i2c-CLSA0100:00-cs35l41-hda.0");
+		if (i >= 0)
+			spec->comps[i].set_channel_map(spec->comps[i].dev, 0, NULL, 1, &rx_slot);
+
+		rx_slot = 1;
+		i = find_comp_by_dev_name(spec, "i2c-CLSA0100:00-cs35l41-hda.1");
+		if (i >= 0)
+			spec->comps[i].set_channel_map(spec->comps[i].dev, 0, NULL, 1, &rx_slot);
+		break;
+	}
+
+	comp_generic_playback_hook(hinfo, codec, sub, action);
+}
+
+static void alc287_fixup_legion_16achg6_speakers(struct hda_codec *codec,
+						 const struct hda_fixup *fix, int action)
+{
+	struct device *dev = hda_codec_dev(codec);
+	struct alc_spec *spec = codec->spec;
+	int ret;
+
+	switch (action) {
+	case HDA_FIXUP_ACT_PRE_PROBE:
+		component_match_add(dev, &spec->match, comp_match_dev_name,
+				    "i2c-CLSA0100:00-cs35l41-hda.0");
+		component_match_add(dev, &spec->match, comp_match_dev_name,
+				    "i2c-CLSA0100:00-cs35l41-hda.1");
+		ret = component_master_add_with_match(dev, &comp_master_ops, spec->match);
+		if (ret)
+			codec_err(codec, "Fail to register component aggregator %d\n", ret);
+		else
+			spec->gen.pcm_playback_hook = alc287_legion_16achg6_playback_hook;
+		break;
+	}
+}
+
 /* for alc295_fixup_hp_top_speakers */
 #include "hp_x360_helper.c"
 
@@ -6766,6 +6870,7 @@ enum {
 	ALC256_FIXUP_SET_COEF_DEFAULTS,
 	ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE,
 	ALC233_FIXUP_NO_AUDIO_JACK,
+	ALC287_FIXUP_LEGION_16ACHG6,
 };
 
 static const struct hda_fixup alc269_fixups[] = {
@@ -8490,6 +8595,10 @@ static const struct hda_fixup alc269_fixups[] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc233_fixup_no_audio_jack,
 	},
+	[ALC287_FIXUP_LEGION_16ACHG6] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc287_fixup_legion_16achg6_speakers,
+	},
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -8899,6 +9008,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x17aa, 0x3827, "Ideapad S740", ALC285_FIXUP_IDEAPAD_S740_COEF),
 	SND_PCI_QUIRK(0x17aa, 0x3843, "Yoga 9i", ALC287_FIXUP_IDEAPAD_BASS_SPK_AMP),
 	SND_PCI_QUIRK(0x17aa, 0x3813, "Legion 7i 15IMHG05", ALC287_FIXUP_LEGION_15IMHG05_SPEAKERS),
+	SND_PCI_QUIRK(0x17aa, 0x3847, "Legion 7 16ACHG6", ALC287_FIXUP_LEGION_16ACHG6),
 	SND_PCI_QUIRK(0x17aa, 0x3852, "Lenovo Yoga 7 14ITL5", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS),
 	SND_PCI_QUIRK(0x17aa, 0x3853, "Lenovo Yoga 7 15ITL5", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS),
 	SND_PCI_QUIRK(0x17aa, 0x3819, "Lenovo 13s Gen2 ITL", ALC287_FIXUP_13S_GEN2_SPEAKERS),
-- 
2.34.1




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