linux-kernel - Re: [PATCH v1] ASoC: Intel: kbl_da7219_max98357a: fix drv

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Message-ID: <6a0866a7-aec4-69d9-eb70-07931952b732@linux.intel.com>
Date:   Fri, 30 Jul 2021 09:12:36 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Cezary Rojewski <cezary.rojewski@...el.com>,
        Lukasz Majczak <lma@...ihalf.com>
Cc:     upstream@...ihalf.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH v1] ASoC: Intel: kbl_da7219_max98357a: fix drv_name



On 7/30/21 9:05 AM, Cezary Rojewski wrote:
> On 2021-07-30 3:55 PM, Pierre-Louis Bossart wrote:
>> On 7/30/21 6:59 AM, Lukasz Majczak wrote:
> 
> ...
> 
>>> @@ -113,7 +113,7 @@ struct snd_soc_acpi_mach
>>> snd_soc_acpi_intel_kbl_machines[] = {
>>>       },
>>>       {
>>>           .id = "DLGS7219",
>>> -        .drv_name = "kbl_da7219_mx98373",
>>> +        .drv_name = "kbl_da7219_max98373",
>>
>> this one is wrong though? The correct name was already present, you're
>> reverting back to the wrong name.
>>
>> there's another one that I missed, do you mind changing this as well?
>>
>> soc-acpi-intel-cml-match.c:             .drv_name =
>> "cml_da7219_max98357a",
>>
>> Should be "cml_da7219_mx98357a"
>>
>>
> 
> Not saying 'nay' or 'yay' but why is configuration first available on
> KBL platforms being renamed to 'cml_XXX'?
The same bxt_da7219_max98357a.c machine driver is used for multiple devices.

static const struct platform_device_id bxt_board_ids[] = {
	{ .name = "bxt_da7219_mx98357a" },
	{ .name = "glk_da7219_mx98357a" },
	{ .name = "cml_da7219_mx98357a" },
	{ }
};
MODULE_DEVICE_TABLE(platform, bxt_board_ids);

Why there are different drivers for KBL and BXT is probably lost in history.