On Tue, Aug 09, 2022 at 07:40:28AM +1000, Matt Flax wrote:
> * Documented the devicetree binding
The DT binding needs to be a separate patch CCed to the DT
maintainers...
> index 000000000000..f8d845d42f42
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/src4xxx.txt
> @@ -0,0 +1,20 @@
> +Texas Instruments src4392 DT bindings
...and new DT bindings need to be in YAML format.
> +++ b/sound/soc/codecs/src4xxx-i2c.c
> @@ -0,0 +1,55 @@
> +/* SPDX-License-Identifier: GPL-2.0
> + *
> + * Driver for SRC4XXX codecs
Please make the entire comment a *C++* one - the SPDX bit needs to be
C++ so the rest of it should be.
> +/* SRC attenuation */
> +static const DECLARE_TLV_DB_SCALE(src_tlv, -12750, 50, 0);
> +
> +static const struct snd_kcontrol_new src4xxx_controls[] = {
> + SOC_DOUBLE_R_TLV("SRC vol",
> + SRC4XXX_SCR_CTL_30, SRC4XXX_SCR_CTL_31, 0, 255, 1, src_tlv),
> +};
Volume controls need to end in Volume. You should run the mixer-test
kselftest against a card with this driver, it should spot problems like
this.
> + switch (dai->id) {
> + case SRC4XXX_PORTB:
> + reg = SRC4XXX_PORTB_CTL_06;
> + break;
> + default:
> + reg = SRC4XXX_PORTA_CTL_04;
> + }
Missing break in the default case.
> + SRC4XXX_MCLK_DIV_MASK, val);
> + } else
> + dev_info(dai->dev, "not setting up MCLK as not master\n");
> +
{ } on both sides or neither of the else please.
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