linux-kernel - Re: [PATCH v1 1/1] iio: light: ltr501: Drop most likely fake ACPI ID

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Message-ID: <ZugBvySTBehR57mb@smile.fi.intel.com>
Date: Mon, 16 Sep 2024 13:00:31 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Hans de Goede <hdegoede@...hat.com>
Cc: Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jonathan Cameron <jic23@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: Re: [PATCH v1 1/1] iio: light: ltr501: Drop most likely fake ACPI ID

On Sat, Sep 14, 2024 at 03:45:58PM +0200, Hans de Goede wrote:
> On 9/12/24 3:51 PM, Hans de Goede wrote:
> > On 9/11/24 11:22 PM, Andy Shevchenko wrote:
> On 9/13/24 11:31 AM, Andy Shevchenko wrote:
> > Have you grepped over your collection of real DSDTs?
> 
> Yes I did, but I just double-checked looking for only LTER and there
> are several DSDTs using LTER0303 for an ambient light sensor.
> 
> duckduckgo-ing for LTER0303 finds:
> 
> https://www.catalog.update.microsoft.com/Search.aspx?q=lter0303
> 
> which is actually quite an interesting URL to search for ACPI
> HID-s used in any Windows drivers.

Very good finding! Bookmarked to check any other ACPI ID case with that as well.

> Checking for LTER0301:
> 
> https://www.catalog.update.microsoft.com/Search.aspx?q=lter0301
> 
> Shows that that HID is also actually used, so:
> 
> > Thanks, patch looks good to me:
> > 
> > Reviewed-by: Hans de Goede <hdegoede@...hat.com>
> 
> Correction, at least the LTER0301 ACPI id seems to actually be real:
> 
> https://www.catalog.update.microsoft.com/Search.aspx?q=lter0301
> 
> So NACK for dropping all 3 HIDs.
> 
> It seems to me that the LTER05xx HIDs can be dropped and
> a LTER0303 HID should be added instead of dropping all HIDs.

I'll update the patch with reference to that catalog.

> Note I do not have any hw with a ltr303 light sensor, so
> I cannot test this.

Neither can I. So, let's drop 'LTER05' and add a comment WRT the 0x01.

-- 
With Best Regards,
Andy Shevchenko