On Fri, Dec 03, 2021 at 10:49:29AM -0300, Ariel D'Alessandro wrote:
> Sound cards may allow using different main clock inputs. In the generic
> fsl-asoc-card driver, these values are hardcoded for each specific card
> configuration.
>
> Let's make it more flexible, allowing setting mclk-id from the
> device-tree node. Otherwise, the default value for each card
> configuration is used.
>
> Signed-off-by: Ariel D'Alessandro <ariel.dalessan...@collabora.com>
> ---
> Documentation/devicetree/bindings/sound/fsl-asoc-card.txt | 1 +
> sound/soc/fsl/fsl-asoc-card.c | 6 ++++++
> 2 files changed, 7 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt
> b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt
> index 23d83fa7609f..b219626a5403 100644
> --- a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt
> +++ b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt
> @@ -82,6 +82,7 @@ Optional properties:
> - dai-format : audio format, for details see
> simple-card.yaml.
> - frame-inversion : dai-link uses frame clock inversion, for details see
> simple-card.yaml.
> - bitclock-inversion : dai-link uses bit clock inversion, for
> details see simple-card.yaml.
> + - mclk-id : main clock id, specific for each card configuration.
Ahh, there it is. This change and the header defines should be 1 patch
and driver changes another.
>
> Optional unless SSI is selected as a CPU DAI:
>
> diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
> index 90cbed496f98..bb962e04d40b 100644
> --- a/sound/soc/fsl/fsl-asoc-card.c
> +++ b/sound/soc/fsl/fsl-asoc-card.c
> @@ -693,6 +693,12 @@ static int fsl_asoc_card_probe(struct platform_device
> *pdev)
> goto asrc_fail;
> }
>
> + /*
> + * Allow setting mclk-id from the device-tree node. Otherwise, the
> + * default value for each card configuration is used.
> + */
> + of_property_read_u32(np, "mclk-id", &priv->codec_priv.mclk_id);
> +
> /* Format info from DT is optional. */
> snd_soc_daifmt_parse_clock_provider_as_phandle(np, NULL,
> &bitclkprovider, &frameprovider);
> if (bitclkprovider || frameprovider) {
> --
> 2.30.2
>
>
