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ASoC: tegra: Support CPCAP by machine driver

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Add CPCAP codec support to the Tegra ASoC machine driver. This codec is
found in Motorola T20 devices like Atrix 4G and Droid X2.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Link: https://patch.msgid.link/20260223065051.13070-3-clamor95@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Svyatoslav Ryhel 2026-02-23 08:50:48 +02:00 committed by Mark Brown
parent d6b634cbc2
commit a34547b389
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 61 additions and 0 deletions
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9
sound/soc/tegra/Kconfig
View File

@ -294,6 +294,15 @@ config SND_SOC_TEGRA_SGTL5000
boards using the SGTL5000 codec, such as Apalis T30, Apalis TK1 or
Colibri T30.
config SND_SOC_TEGRA_CPCAP
tristate "SoC Audio support for Tegra boards using a CPCAP codec"
depends on I2C && GPIOLIB && MFD_CPCAP
select SND_SOC_TEGRA_MACHINE_DRV
select SND_SOC_CPCAP
help
Say Y or M here if you want to add support for SoC audio on Tegra
boards using the CPCAP codec, such as Motorola Atrix 4G or Droid X2.
endif
endmenu

52
sound/soc/tegra/tegra_asoc_machine.c
View File

@ -287,6 +287,25 @@ static unsigned int tegra_machine_mclk_rate_6mhz(unsigned int srate)
return mclk;
}
static unsigned int tegra_machine_mclk_rate_cpcap(unsigned int srate)
{
unsigned int mclk;
switch (srate) {
case 11025:
case 22050:
case 44100:
case 88200:
mclk = 26000000;
break;
default:
mclk = 256 * srate;
break;
}
return mclk;
}
static int tegra_machine_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
@ -985,6 +1004,38 @@ static const struct tegra_asoc_data tegra_rt5631_data = {
.add_hp_jack = true,
};
/* CPCAP machine */
SND_SOC_DAILINK_DEFS(cpcap_hifi,
DAILINK_COMP_ARRAY(COMP_EMPTY()),
DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "cpcap-hifi")),
DAILINK_COMP_ARRAY(COMP_EMPTY()));
static struct snd_soc_dai_link tegra_cpcap_dai = {
.name = "CPCAP",
.stream_name = "CPCAP PCM",
.init = tegra_asoc_machine_init,
.dai_fmt = SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBP_CFP,
SND_SOC_DAILINK_REG(cpcap_hifi),
};
static struct snd_soc_card snd_soc_tegra_cpcap = {
.components = "codec:cpcap",
.dai_link = &tegra_cpcap_dai,
.num_links = 1,
.fully_routed = true,
};
static const struct tegra_asoc_data tegra_cpcap_data = {
.mclk_rate = tegra_machine_mclk_rate_cpcap,
.card = &snd_soc_tegra_cpcap,
.add_common_dapm_widgets = true,
.add_common_controls = true,
.add_common_snd_ops = true,
};
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 },
@ -997,6 +1048,7 @@ static const struct of_device_id tegra_machine_of_match[] = {
{ .compatible = "nvidia,tegra-audio-rt5640", .data = &tegra_rt5640_data },
{ .compatible = "nvidia,tegra-audio-alc5632", .data = &tegra_rt5632_data },
{ .compatible = "nvidia,tegra-audio-rt5631", .data = &tegra_rt5631_data },
{ .compatible = "nvidia,tegra-audio-cpcap", .data = &tegra_cpcap_data },
{},
};
MODULE_DEVICE_TABLE(of, tegra_machine_of_match);