linux-kernel - Re: [PATCH 2/3] iio: light: add AMS TCS3400 RGB and RGB-IR color sensor driver

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Message-ID: <78fa3129-59f3-4545-ba9f-b570a02b36d9@oss.qualcomm.com>
Date: Tue, 20 Jan 2026 14:58:18 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: phodina <petr.hodina@...tonmail.com>,
        Andy Shevchenko <andriy.shevchenko@...el.com>
Cc: Jonathan Cameron <jic23@...nel.org>,
        David Lechner
 <dlechner@...libre.com>,
        Nuno Sá <nuno.sa@...log.com>,
        Andy Shevchenko <andy@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        David Heidelberg <david@...t.cz>, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH 2/3] iio: light: add AMS TCS3400 RGB and RGB-IR color
 sensor driver

On 1/20/26 2:51 PM, phodina wrote:
> Thanks Konrad for posting the datasheet.
> 
> I used directly the link from the vendor site.
> 
> https://look.ams-osram.com/m/595d46c644740603/original/TCS3400-Color-Light-to-Digital-Converter.pdf

Note these seem to be two separate (but similar) products

Konrad

> 
> Will add the link to the driver commit.
> 
> Kind regards
> Petr Hodina
> 
> 
> On Tuesday, January 20th, 2026 at 2:33 PM, Andy Shevchenko <andriy.shevchenko@...el.com> wrote:
> 
>> On Tue, Jan 20, 2026 at 12:03:26PM +0100, Konrad Dybcio wrote:
>>
>>> On 1/19/26 6:19 PM, Petr Hodina via B4 Relay wrote:
>>
>>>> Add support for the AMS TCS3400 I2C color light-to-digital converter.
>>>> The driver supports RGBC and RGB-IR modes, programmable integration
>>>> time, optional interrupt-driven buffered capture, and regulator-based
>>>> power control.
>>>>
>>>> Signed-off-by: Petr Hodina petr.hodina@...tonmail.com
>>>> ---
>>>
>>> FYI this is the driver that shipped on Sony phones:
>>>
>>> https://github.com/LineageOS/android_kernel_sony_sdm845/blob/lineage-23.0/drivers/misc/tcs3490.c
>>>
>>> And it seems there's a datasheet available:
>>>
>>> https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/897/TCS3490.pdf
>>
>>
>> Thanks for finding this! It can be transformed to Datasheet tag
>> in the commit message.
>>
>> --
>> With Best Regards,
>> Andy Shevchenko