Re: [PATCH v3 4/4] ASoC: tegra: Specify components string for Nexus 7

From: Jaroslav Kysela
Date: Mon May 24 2021 - 06:54:38 EST


Dne 24. 05. 21 v 1:44 Dmitry Osipenko napsal(a):
> Specify components string for Nexus 7 using the Intel BayTrail components
> format. This may allow us to create a more generic UCM for RT5640 codec.
>
> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
> ---
> sound/soc/tegra/tegra_asoc_machine.c | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/sound/soc/tegra/tegra_asoc_machine.c b/sound/soc/tegra/tegra_asoc_machine.c
> index a81f2ebfc00c..87e0a47040a5 100644
> --- a/sound/soc/tegra/tegra_asoc_machine.c
> +++ b/sound/soc/tegra/tegra_asoc_machine.c
> @@ -671,6 +671,24 @@ static const struct tegra_asoc_data tegra_rt5640_data = {
> .add_hp_jack = true,
> };
>
> +/*
> + * Speaker: Connected to SPO L/R P/N pins, stereo.
> + * Internal Microphone: Digital, connected to DMIC1_DAT IN2P/N pins.
> + * Headphones: Connected to HPOL/R pins.
> + * Headset Microphone: Unconnected.
> + *
> + * IF2_DAC/ADC are unpopulated.
> + */
> +static const struct tegra_asoc_data tegra_rt5640_grouper_data = {
> + .components = "codec:rt5640 cfg-spk:2 cfg-mic:dmic1 aif:1",

Perhaps, it may be better to handle this string via the DT config (create new
function like snd_soc_of_parse_card_name()).

The "codec:rt5640" should be set in the driver (it's fixed), but the
"cfg-spk:2 cfg-mic:dmic1 aif:1" part is suitable for the DT config.

Jaroslav

--
Jaroslav Kysela <perex@xxxxxxxx>
Linux Sound Maintainer; ALSA Project; Red Hat, Inc.