[alsa-devel] [v2] ASoC: max98373: Added Amplifier Driver

[Rob Herring]

On Mon, Dec 25, 2017 at 07:10:10AM -0800, Ryan Lee wrote:

Needs a commit message.

> Signed-off-by: Ryan Lee <ryans.lee at maximintegrated.com>
> ---
> 
> Changes since v1:
> 	* Removed 'codec' from 'max98373_priv' structure
> 		: Now 'max98373_set_clock' function use 'dai->codec.dev' instead of using 'max98373->codec.dev'.
> 	* Removed 'max98373_dai_set_sysclk' function
> 		: This function is not necessary. Removed 'sysclk' from 'max98373_priv' as well.
> 	* Removed 'iface' from 'max98373_priv' structure
> 		: There is no function who refer max98373->iface variable.
> 	* Added SPDX-License-Identifier
> 
>  .../devicetree/bindings/sound/max98373.txt         |  43 +

Please split bindings to separate patch.

>  sound/soc/codecs/Kconfig                           |   5 +
>  sound/soc/codecs/Makefile                          |   2 +
>  sound/soc/codecs/max98373.c                        | 974 +++++++++++++++++++++
>  sound/soc/codecs/max98373.h                        | 212 +++++
>  5 files changed, 1236 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/max98373.txt
>  create mode 100644 sound/soc/codecs/max98373.c
>  create mode 100644 sound/soc/codecs/max98373.h
> 
> diff --git a/Documentation/devicetree/bindings/sound/max98373.txt b/Documentation/devicetree/bindings/sound/max98373.txt
> new file mode 100644
> index 0000000..22cd259
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/max98373.txt
> @@ -0,0 +1,43 @@
> +Maxim Integrated MAX98373 Speaker Amplifier
> +
> +This device supports I2C.
> +
> +Required properties:
> +
> +  - compatible : should be one of the following
> +    - "maxim,max98373"
> +
> +  - reg : the I2C address of the device.
> +
> +Optional properties:
> +
> +  - maxim,vmon-slot-no : slot number used to send voltage information
> +                   or in inteleave mode this will be used as
> +                   interleave slot.
> +                   slot range : 0 ~ 15,  Default : 0
> +
> +  - maxim,imon-slot-no : slot number used to send current information
> +                   slot range : 0 ~ 15,  Default : 0
> +
> +  - maxim,spkfb-slot-no : slot number used to send speaker feedback information
> +                   slot range : 0 ~ 15,  Default : 0
> +
> +  - maxim,interleave-mode : When using two MAX98373 in a system it is
> +                   possible to create ADC data that that will
> +                   overflow the frame size. Digital Audio Interleave
> +                   mode provides a means to output VMON and IMON data
> +                   from two devices on a single DOUT line when running
> +                   smaller frames sizes such as 32 BCLKS per LRCLK or
> +                   48 BCLKS per LRCLK.
> +                   Range : 0 (off), 1 (on),  Default : 0

This can be boolean instead.

> +
> +Example:
> +
> +codec: max98373 at 31 {
> +   compatible = "maxim,max98373";
> +   reg = <0x31>;
> +   maxim,vmon-slot-no = <0>;
> +   maxim,imon-slot-no = <1>;
> +   maxim,spkfb-slot-no = <2>;
> +   maxim,interleave-mode = <0>;
> +};