RE: [PATCH] ASoC: Add support for Maxim Integrated MAX98927 Amplifier

From: Ryans Lee
Date: Tue Mar 28 2017 - 11:36:46 EST



> -----Original Message-----
> From: Rob Herring [mailto:robh@xxxxxxxxxx]
> Sent: Friday, March 24, 2017 8:26 AM
> To: Ryans Lee <RyanS.Lee@xxxxxxxxxxxxxxxxxxx>
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> Subject: Re: [PATCH] ASoC: Add support for Maxim Integrated MAX98927
> Amplifier
>
> EXTERNAL EMAIL
>
>
>
> On Mon, Mar 20, 2017 at 09:40:23AM +0900, Ryan Lee wrote:
>> Signed-off-by: Ryan Lee <ryans.lee@xxxxxxxxxxxxxxxxxxx>
>> ---
>> Resubmit the intial version of MAX98927 driver. Added all fixes into the initial patch.
>>
>> .../devicetree/bindings/sound/max98927.txt | 39 +
>> sound/soc/codecs/Kconfig | 5 +
>> sound/soc/codecs/Makefile | 2 +
>> sound/soc/codecs/max98927.c | 1040 ++++++++++++++++++++
>> sound/soc/codecs/max98927.h | 267 +++++
>> 5 files changed, 1353 insertions(+)
>> create mode 100755
>> Documentation/devicetree/bindings/sound/max98927.txt
>> mode change 100644 => 100755 sound/soc/codecs/Kconfig mode change
>> 100644 => 100755 sound/soc/codecs/Makefile create mode 100755
>> sound/soc/codecs/max98927.c create mode 100755
>> sound/soc/codecs/max98927.h
>>
>> diff --git a/Documentation/devicetree/bindings/sound/max98927.txt
>> b/Documentation/devicetree/bindings/sound/max98927.txt
>> new file mode 100755
>> index 0000000..d610879
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/sound/max98927.txt
>> @@ -0,0 +1,39 @@
>> +max98927 audio CODEC
>> +
>> +This device supports I2C.
>
> Can we combine this and the other max9892x bindings. They all look similar.
They are not same but almost similar. I combined MAX98925, MAX98926 and MAX98927 bindings into MAX9892x.txt
Thank you for your feedback.
>
>> +
>> +Required properties:
>> +
>> + - compatible : "maxim,max98927"
>> +
>> + - maxim,vmon-slot-no : slot number used to send voltage
>> + information
>
> While vendor prefix is preferred, so is using the same property names.
> Either use the existing names or deprecate the old ones in favor of these.
To use same property names, I kept existing names. Thanks.

>
>> + or in inteleave mode this will be used as
>> + interleave slot.
>> + This property can be set to values from 0 to 15 for slot 0 to 15.
>> + Default value is 0.
>> +
>> + - maxim,imon-slot-no : slot number used to send current information
>> + This property can be set to values from 0 to 15 for slot 0 to 15.
>> + Default value is 0.
>> +
>> + - maxim,interleave-mode : When using two MAX98927 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.
>> + This property can be set to values from 0 to 1 for off and on.
>> + Default value is 0.
>> +
>> + - reg : the I2C address of the device for I2C
>> +
>> +Example:
>> +
>> +codec: max98927@3a {
>> + compatible = "maxim,max98927";
>> + maxim,vmon-slot-no = <0>;
>> + maxim,imon-slot-no = <1>;
>> + maxim,interleave-mode = <0>;
>> + reg = <0x3a>;
>> +};