linux-kernel - RE: [EXTERNAL] Re: [PATCH v2 1/5] ASoC: dt-bindings: remove tas2563 from yaml

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Date: Wed, 27 Dec 2023 13:45:03 +0000
From: "Ding, Shenghao" <shenghao-ding@...com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
CC: "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "andriy.shevchenko@...ux.intel.com" <andriy.shevchenko@...ux.intel.com>,
        "Lu,
 Kevin" <kevin-lu@...com>, "Xu, Baojun" <baojun.xu@...com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "perex@...ex.cz"
	<perex@...ex.cz>,
        "pierre-louis.bossart@...ux.intel.com"
	<pierre-louis.bossart@...ux.intel.com>,
        "13916275206@....com"
	<13916275206@....com>,
        "linux-sound@...r.kernel.org"
	<linux-sound@...r.kernel.org>,
        "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>,
        "liam.r.girdwood@...el.com"
	<liam.r.girdwood@...el.com>,
        "soyer@....hu" <soyer@....hu>, "tiwai@...e.de"
	<tiwai@...e.de>,
        "Gupta, Peeyush" <peeyush@...com>,
        "Navada Kanyana, Mukund"
	<navada@...com>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>
Subject: RE: [EXTERNAL] Re: [PATCH v2 1/5] ASoC: dt-bindings: remove tas2563
 from yaml



> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Sent: Wednesday, December 27, 2023 6:56 PM
> To: Ding, Shenghao <shenghao-ding@...com>
> Cc: robh+dt@...nel.org; andriy.shevchenko@...ux.intel.com; Lu, Kevin
> <kevin-lu@...com>; Xu, Baojun <baojun.xu@...com>;
> devicetree@...r.kernel.org; lgirdwood@...il.com; perex@...ex.cz; pierre-
> louis.bossart@...ux.intel.com; 13916275206@....com; linux-
> sound@...r.kernel.org; linux-kernel@...r.kernel.org;
> liam.r.girdwood@...el.com; soyer@....hu; tiwai@...e.de; Gupta, Peeyush
> <peeyush@...com>; Navada Kanyana, Mukund <navada@...com>;
> broonie@...nel.org; conor+dt@...nel.org
> Subject: Re: [EXTERNAL] Re: [PATCH v2 1/5] ASoC: dt-bindings: remove
> tas2563 from yaml
> 
> On 27/12/2023 08:07, Ding, Shenghao wrote:
> >
> >
> >> -----Original Message-----
> >> From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> >> Sent: Friday, December 22, 2023 1:31 AM
> >> To: Ding, Shenghao <shenghao-ding@...com>; broonie@...nel.org;
> >> conor+dt@...nel.org
> >> Cc: robh+dt@...nel.org; andriy.shevchenko@...ux.intel.com; Lu, Kevin
> >> <kevin-lu@...com>; Xu, Baojun <baojun.xu@...com>;
> >> devicetree@...r.kernel.org; lgirdwood@...il.com; perex@...ex.cz;
> >> pierre- louis.bossart@...ux.intel.com; 13916275206@....com; linux-
> >> sound@...r.kernel.org; linux-kernel@...r.kernel.org;
> >> liam.r.girdwood@...el.com; soyer@....hu; tiwai@...e.de; Gupta,
> >> Peeyush <peeyush@...com>; Navada Kanyana, Mukund <navada@...com>
> >> Subject: [EXTERNAL] Re: [PATCH v2 1/5] ASoC: dt-bindings: remove
> >> tas2563 from yaml
> >>
> >> On 21/12/2023 11:13, Shenghao Ding wrote:
> >>> Remove tas2563 from tas2562, it will be supported in tas2781 to
> >>> better support dsp mode.
> >>
> >> Please provide rationale in terms of bindings and hardware, not in
> >> terms of driver. Or at least not only. For example "supported in
> >> tas2781" does not fit hardware part, so you sure must be talking
> >> about drivers thus why driver change would affect bindings?
> > This patch mainly change the binding, not the driver code. Tas2563 is
> > unbound to tas2562 driver, and bound to tas2781 driver.
> 
> Then why do you reference driver "tas2781" here?
Both tas2563 and tas2781 are dsp-inside audio amplifier, 
tas2781 driver is designed for dsp-inside series chips, 
not only for tas2781.
> 
> Best regards,
> Krzysztof