[PATCH v5 09/10] ALSA: hda/realtek: Add support for Legion 7 16ACHg6 laptop

Lucas Tanure
2021-12-16T11:44:11Z

Add Support for CS35L41 using the component binding
method

Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
---
sound/pci/hda/patch_realtek.c | 107 ++++++++++++++++++++++++++++++++++
1 file changed, 107 insertions(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 3599f4c85ebf..7299e6388900 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 +6502,102 @@ static void alc287_fixup_legion_15imhg05_speakers(struct hda_codec *codec,
}
}

+static int comp_match_dev_name(struct device *dev, void *data)
+{
+ return strcmp(dev_name(dev), data) == 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 *cdc = dev_to_hda_codec(dev);
+ struct alc_spec *spec = cdc->spec;
+
+ return component_bind_all(dev, spec->comps);
+}
+
+static void comp_unbind(struct device *dev)
+{
+ struct hda_codec *cdc = dev_to_hda_codec(dev);
+ struct alc_spec *spec = cdc->spec;
+
+ component_unbind_all(dev, spec->comps);
+}
+
+static const struct component_master_ops comp_master_ops = {
+ .bind = comp_bind,
+ .unbind = comp_unbind,
+};
+
+static void comp_generic_playback_hook(struct hda_pcm_stream *hinfo, struct hda_codec *cdc,
+ struct snd_pcm_substream *sub, int action)
+{
+ struct alc_spec *spec = cdc->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);
+ }
+}
+
+static void alc287_legion_16achg6_playback_hook(struct hda_pcm_stream *hinfo, struct hda_codec *cdc,
+ struct snd_pcm_substream *sub, int action)
+{
+ struct alc_spec *spec = cdc->spec;
+ unsigned int rx_slot;
+ int i;
+
+ 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, cdc, sub, action);
+}
+
+static void alc287_fixup_legion_16achg6_speakers(struct hda_codec *cdc, const struct hda_fixup *fix,
+ int action)
+{
+ struct device *dev = hda_codec_dev(cdc);
+ struct alc_spec *spec = cdc->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(cdc, "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 +6867,7 @@ 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 +8592,10 @@ 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 +9005,7 @@ 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