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Fri, 30 Jan 2026 05:34:46 -0800 (PST) From: Svyatoslav Ryhel To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Jonathan Hunter , Jaroslav Kysela , Takashi Iwai , Svyatoslav Ryhel , =?UTF-8?q?Jonas=20Schw=C3=B6bel?= Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 2/4] ASoC: tegra: Support CPCAP by machine driver Date: Fri, 30 Jan 2026 15:34:32 +0200 Message-ID: <20260130133434.353353-3-clamor95@gmail.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260130133434.353353-1-clamor95@gmail.com> References: <20260130133434.353353-1-clamor95@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 --- sound/soc/tegra/Kconfig | 9 +++++ sound/soc/tegra/tegra_asoc_machine.c | 52 ++++++++++++++++++++++++++++ 2 files changed, 61 insertions(+) diff --git a/sound/soc/tegra/Kconfig b/sound/soc/tegra/Kconfig index 9dbd589879fb..f9257830daa1 100644 --- a/sound/soc/tegra/Kconfig +++ b/sound/soc/tegra/Kconfig @@ -294,6 +294,15 @@ config SND_SOC_TEGRA_SGTL5000 boards using the SGTL5000 codec, such as Apalis T30, Apalis TK1 or Colibri T30. =20 +config SND_SOC_TEGRA_CPCAP + tristate "SoC Audio support for Tegra boards using a CPCAP codec" + depends on I2C && GPIOLIB + 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 =20 endmenu diff --git a/sound/soc/tegra/tegra_asoc_machine.c b/sound/soc/tegra/tegra_a= soc_machine.c index d48463ac16fc..10834f9c3422 100644 --- a/sound/soc/tegra/tegra_asoc_machine.c +++ b/sound/soc/tegra/tegra_asoc_machine.c @@ -287,6 +287,25 @@ static unsigned int tegra_machine_mclk_rate_6mhz(unsig= ned int srate) return mclk; } =20 +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 =3D 26000000; + break; + default: + mclk =3D 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= =3D { .add_hp_jack =3D true, }; =20 +/* 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 =3D { + .name =3D "CPCAP", + .stream_name =3D "CPCAP PCM", + .init =3D tegra_asoc_machine_init, + .dai_fmt =3D 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 =3D { + .components =3D "codec:cpcap", + .dai_link =3D &tegra_cpcap_dai, + .num_links =3D 1, + .fully_routed =3D true, +}; + +static const struct tegra_asoc_data tegra_cpcap_data =3D { + .mclk_rate =3D tegra_machine_mclk_rate_cpcap, + .card =3D &snd_soc_tegra_cpcap, + .add_common_dapm_widgets =3D true, + .add_common_controls =3D true, + .add_common_snd_ops =3D true, +}; + static const struct of_device_id tegra_machine_of_match[] =3D { { .compatible =3D "nvidia,tegra-audio-trimslice", .data =3D &tegra_trimsl= ice_data }, { .compatible =3D "nvidia,tegra-audio-max98090", .data =3D &tegra_max9809= 0_data }, @@ -997,6 +1048,7 @@ static const struct of_device_id tegra_machine_of_matc= h[] =3D { { .compatible =3D "nvidia,tegra-audio-rt5640", .data =3D &tegra_rt5640_da= ta }, { .compatible =3D "nvidia,tegra-audio-alc5632", .data =3D &tegra_rt5632_d= ata }, { .compatible =3D "nvidia,tegra-audio-rt5631", .data =3D &tegra_rt5631_da= ta }, + { .compatible =3D "nvidia,tegra-audio-cpcap", .data =3D &tegra_cpcap_data= }, {}, }; MODULE_DEVICE_TABLE(of, tegra_machine_of_match); --=20 2.51.0