ASoC: tegra: Support MAX9808x by machine driver

Add Maxim MAX9808x codec support to the Tegra ASoC machine driver.
This codec is found on LG T30 devices like Optimus 4X HD and
Optimus Vu.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Link: https://lore.kernel.org/r/20230308073502.5421-9-clamor95@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/tegra/Kconfig

@@ -263,6 +263,15 @@ config SND_SOC_TEGRA_MAX98090
 	  Say Y or M here if you want to add support for SoC audio on Tegra
 	  boards using the MAX98090 codec, such as Venice2.
 
+config SND_SOC_TEGRA_MAX98088
+	tristate "SoC Audio support for Tegra boards using a MAX9808x codec"
+	depends on I2C && GPIOLIB
+	select SND_SOC_TEGRA_MACHINE_DRV
+	select SND_SOC_MAX98088
+	help
+	  Say Y or M here if you want to add support for SoC audio on Tegra
+	  boards using the MAX98088 codec, such as LG X3.
+
 config SND_SOC_TEGRA_RT5677
 	tristate "SoC Audio support for Tegra boards using a RT5677 codec"
 	depends on I2C && GPIOLIB

sound/soc/tegra/tegra_asoc_machine.c

@@ -86,11 +86,11 @@ static int tegra_machine_event(struct snd_soc_dapm_widget *w,
 		gpiod_set_value_cansleep(machine->gpiod_spkr_en,
 					 SND_SOC_DAPM_EVENT_ON(event));
 
-	if (!strcmp(w->name, "Mic Jack"))
+	if (!strcmp(w->name, "Mic Jack") || !strcmp(w->name, "Headset Mic"))
 		gpiod_set_value_cansleep(machine->gpiod_ext_mic_en,
 					 SND_SOC_DAPM_EVENT_ON(event));
 
-	if (!strcmp(w->name, "Int Mic"))
+	if (!strcmp(w->name, "Int Mic") || !strcmp(w->name, "Internal Mic 2"))
 		gpiod_set_value_cansleep(machine->gpiod_int_mic_en,
 					 SND_SOC_DAPM_EVENT_ON(event));
 
@@ -108,11 +108,12 @@ static const struct snd_soc_dapm_widget tegra_machine_dapm_widgets[] = {
 	SND_SOC_DAPM_HP("Headphones", NULL),
 	SND_SOC_DAPM_SPK("Speakers", tegra_machine_event),
 	SND_SOC_DAPM_SPK("Int Spk", tegra_machine_event),
+	SND_SOC_DAPM_SPK("Earpiece", NULL),
 	SND_SOC_DAPM_MIC("Int Mic", tegra_machine_event),
 	SND_SOC_DAPM_MIC("Mic Jack", tegra_machine_event),
 	SND_SOC_DAPM_MIC("Internal Mic 1", NULL),
-	SND_SOC_DAPM_MIC("Internal Mic 2", NULL),
-	SND_SOC_DAPM_MIC("Headset Mic", NULL),
+	SND_SOC_DAPM_MIC("Internal Mic 2", tegra_machine_event),
+	SND_SOC_DAPM_MIC("Headset Mic", tegra_machine_event),
 	SND_SOC_DAPM_MIC("Digital Mic", NULL),
 	SND_SOC_DAPM_MIC("Mic", NULL),
 	SND_SOC_DAPM_LINE("Line In Jack", NULL),
@@ -123,6 +124,7 @@ static const struct snd_soc_dapm_widget tegra_machine_dapm_widgets[] = {
 static const struct snd_kcontrol_new tegra_machine_controls[] = {
 	SOC_DAPM_PIN_SWITCH("Speakers"),
 	SOC_DAPM_PIN_SWITCH("Int Spk"),
+	SOC_DAPM_PIN_SWITCH("Earpiece"),
 	SOC_DAPM_PIN_SWITCH("Int Mic"),
 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 	SOC_DAPM_PIN_SWITCH("Internal Mic 1"),
@@ -718,6 +720,40 @@ static const struct tegra_asoc_data tegra_max98090_data = {
 	.add_hp_jack = true,
 };
 
+/* MAX98088 machine */
+
+SND_SOC_DAILINK_DEFS(max98088_hifi,
+	DAILINK_COMP_ARRAY(COMP_EMPTY()),
+	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
+	DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+static struct snd_soc_dai_link tegra_max98088_dai = {
+	.name = "MAX98088",
+	.stream_name = "MAX98088 PCM",
+	.init = tegra_asoc_machine_init,
+	.dai_fmt = SND_SOC_DAIFMT_I2S |
+		   SND_SOC_DAIFMT_NB_NF |
+		   SND_SOC_DAIFMT_CBS_CFS,
+	SND_SOC_DAILINK_REG(max98088_hifi),
+};
+
+static struct snd_soc_card snd_soc_tegra_max98088 = {
+	.components = "codec:max98088",
+	.dai_link = &tegra_max98088_dai,
+	.num_links = 1,
+	.fully_routed = true,
+};
+
+static const struct tegra_asoc_data tegra_max98088_data = {
+	.mclk_rate = tegra_machine_mclk_rate_12mhz,
+	.card = &snd_soc_tegra_max98088,
+	.add_common_dapm_widgets = true,
+	.add_common_controls = true,
+	.add_common_snd_ops = true,
+	.add_mic_jack = true,
+	.add_hp_jack = true,
+};
+
 /* SGTL5000 machine */
 
 SND_SOC_DAILINK_DEFS(sgtl5000_hifi,
@@ -946,6 +982,8 @@ static const struct tegra_asoc_data tegra_rt5631_data = {
 static const struct of_device_id tegra_machine_of_match[] = {
 	{ .compatible = "nvidia,tegra-audio-trimslice", .data = &tegra_trimslice_data },
 	{ .compatible = "nvidia,tegra-audio-max98090", .data = &tegra_max98090_data },
+	{ .compatible = "nvidia,tegra-audio-max98088", .data = &tegra_max98088_data },
+	{ .compatible = "nvidia,tegra-audio-max98089", .data = &tegra_max98088_data },
 	{ .compatible = "nvidia,tegra-audio-sgtl5000", .data = &tegra_sgtl5000_data },
 	{ .compatible = "nvidia,tegra-audio-wm9712", .data = &tegra_wm9712_data },
 	{ .compatible = "nvidia,tegra-audio-wm8753", .data = &tegra_wm8753_data },