Re: [PATCH 8/9] arm64: dts: qcom: sm8150-hdk: fix FSA4480 address
From: Konrad Dybcio
Date: Thu Oct 15 2026 - 05:13:10 EST
On 10/15/26 11:10 AM, Konrad Dybcio wrote:
> On 10/15/26 10:58 AM, Dmitry Baryshkov wrote:
>> The FSA4480 on the SM8150 HDK responds at 0x43 rather than 0x42. With
>> the wrong address the mux driver fails to probe, the Type-C controller
>> and the DisplayPort controller keep waiting for it and the display
>> subsystem never binds.
>>
>> Fixes: ba712fd55c7b ("arm64: dts: qcom: sm8150-hdk: enable DisplayPort and USB-C altmode")
>> Assisted-by: LLM
>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
>> ---
>
> Hm, there's an ADDR pin on the FSA. I wonder if the previous guy had
> an earlier revision of the board which routed that differently or
> something.
>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
oh wait.. the previous guy (author of the Fixes commit is you.. :D
Konrad