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Subject[RFC PATCH v2 2/3] ALSA: hda/realtek: Add support for Legion 7 16ACHg6 laptop Speakers
Date
Find the associated Amps by dai name, and use dai ops to configure it.
Disable support for Amps if ASoC not built.

Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
---
sound/pci/hda/patch_realtek.c | 109 +++++++++++++++++++++++++++++++++-
1 file changed, 108 insertions(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 4407f7da57c4..9a6fe6048b60 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -21,6 +21,7 @@
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/hda_codec.h>
+#include <sound/soc.h>
#include "hda_local.h"
#include "hda_auto_parser.h"
#include "hda_jack.h"
@@ -74,6 +75,11 @@ struct alc_coef_led {
unsigned int off;
};

+struct alc_soc_dai_node {
+ struct list_head node;
+ struct snd_soc_dai *dai;
+};
+
struct alc_spec {
struct hda_gen_spec gen; /* must be at head */

@@ -126,6 +132,9 @@ struct alc_spec {
unsigned int coef0;
struct input_dev *kb_dev;
u8 alc_mute_keycode_map[1];
+
+ /* ASoC DAIs used to init ASoC components in this sound card */
+ struct list_head soc_dais;
};

/*
@@ -6443,6 +6452,96 @@ static void alc287_fixup_legion_15imhg05_speakers(struct hda_codec *codec,
}
}

+static void alc_soc_dai_clear_list(struct alc_spec *spec)
+{
+ struct alc_soc_dai_node *n, *tmp;
+
+ if (list_empty(&spec->soc_dais))
+ return;
+
+ list_for_each_entry_safe(n, tmp, &spec->soc_dais, node) {
+ list_del(&n->node);
+ kfree(n);
+ }
+}
+
+static int alc_add_soc_dai_list(struct alc_spec *spec, const char *dai_name)
+{
+#if IS_ENABLED(CONFIG_SND_SOC)
+ struct snd_soc_dai_link_component dlc;
+ struct alc_soc_dai_node *dai_node;
+ //struct snd_soc_component *comp;
+ struct snd_soc_dai *dai;
+
+ dlc.dai_name = dai_name;
+ dlc.of_node = NULL;
+ dlc.name = NULL;
+
+ dai = snd_soc_find_dai(&dlc);
+ if (!dai)
+ return -EPROBE_DEFER;
+
+ dai_node = kmalloc(sizeof(*dai_node), GFP_KERNEL);
+ if (!dai_node)
+ return -ENOMEM;
+ dai_node->dai = dai;
+
+ list_add(&dai_node->node, &spec->soc_dais);
+
+ return 0;
+#else
+ return -EPERM;
+#endif
+}
+
+void lenovo_y760_pcm_playback_hook(struct hda_pcm_stream *hinfo, struct hda_codec *cdc,
+ struct snd_pcm_substream *sub, int act)
+{
+ struct alc_spec *spec = cdc->spec;
+ struct alc_soc_dai_node *dai_node;
+ struct snd_soc_dai *dai;
+ unsigned int rx_slots[2] = {1, 0};
+ int i = 0;
+
+ list_for_each_entry(dai_node, &spec->soc_dais, node) {
+ dai = dai_node->dai;
+ if (!dai->driver->ops)
+ continue;
+ switch (act) {
+ case HDA_GEN_PCM_ACT_PREPARE:
+ if (dai->driver->ops->set_channel_map)
+ dai->driver->ops->set_channel_map(dai, 0, NULL, 1, &rx_slots[i++]);
+ if (dai->driver->ops->prepare)
+ dai->driver->ops->prepare(sub, dai);
+ break;
+ case HDA_GEN_PCM_ACT_CLOSE:
+ if (dai->driver->ops->shutdown)
+ dai->driver->ops->shutdown(sub, dai);
+ break;
+ }
+ }
+
+}
+
+static void alc287_fixup_lenovo_y760(struct hda_codec *codec, const struct hda_fixup *fix, int act)
+{
+ struct alc_spec *spec = codec->spec;
+ int ret;
+
+ INIT_LIST_HEAD(&spec->soc_dais);
+
+ ret = alc_add_soc_dai_list(spec, "i2c-CLSA0100:00-cs35l41.0");
+ if (ret)
+ return;
+
+ ret = alc_add_soc_dai_list(spec, "i2c-CLSA0100:00-cs35l41.1");
+ if (ret) {
+ alc_soc_dai_clear_list(spec);
+ return;
+ }
+ spec->gen.pcm_playback_hook = lenovo_y760_pcm_playback_hook;
+}
+
/* for alc295_fixup_hp_top_speakers */
#include "hp_x360_helper.c"

@@ -6663,7 +6762,8 @@ enum {
ALC287_FIXUP_LEGION_15IMHG05_SPEAKERS,
ALC287_FIXUP_LEGION_15IMHG05_AUTOMUTE,
ALC287_FIXUP_YOGA7_14ITL_SPEAKERS,
- ALC287_FIXUP_13S_GEN2_SPEAKERS
+ ALC287_FIXUP_13S_GEN2_SPEAKERS,
+ ALC287_FIXUP_LENOVO_Y760
};

static const struct hda_fixup alc269_fixups[] = {
@@ -8361,6 +8461,10 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC269_FIXUP_HEADSET_MODE,
},
+ [ALC287_FIXUP_LENOVO_Y760] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc287_fixup_lenovo_y760,
+ },
};

static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -8755,6 +8859,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x3818, "Lenovo C940", ALC298_FIXUP_LENOVO_SPK_VOLUME),
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, 0x3847, "Legion Y760", ALC287_FIXUP_LENOVO_Y760),
SND_PCI_QUIRK(0x17aa, 0x3813, "Legion 7i 15IMHG05", ALC287_FIXUP_LEGION_15IMHG05_SPEAKERS),
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),
@@ -9499,6 +9604,8 @@ static int patch_alc269(struct hda_codec *codec)
spec->shutup = alc_default_shutup;
spec->init_hook = alc_default_init;

+ INIT_LIST_HEAD(&spec->soc_dais);
+
switch (codec->core.vendor_id) {
case 0x10ec0269:
spec->codec_variant = ALC269_TYPE_ALC269VA;
--
2.33.1
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