linux-kernel - Re: [PATCH 2/2] arm64: dts: mediatek: mt8192-asurada-spherion: Mark trackpads as fail-needs-probe

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Message-ID: <f80dfa43-74f4-431b-934c-e103b8204276@notapiano>
Date: Tue, 18 Mar 2025 11:39:14 -0300
From: Nícolas F. R. A. Prado <nfraprado@...labora.com>
To: Laura Nao <laura.nao@...labora.com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	matthias.bgg@...il.com, angelogioacchino.delregno@...labora.com,
	bleung@...omium.org, tzungbi@...nel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, chrome-platform@...ts.linux.dev,
	kernel@...labora.com
Subject: Re: [PATCH 2/2] arm64: dts: mediatek: mt8192-asurada-spherion: Mark
 trackpads as fail-needs-probe

On Tue, Mar 18, 2025 at 11:22:59AM +0100, Laura Nao wrote:
> Different Spherion variants use different trackpads on the same I2C2
> bus. Instead of enabling all of them by default, mark them as
> "fail-needs-probe" and let the implementation determine which one is
> actually present.
> 
> Additionally, move the trackpad pinctrl entry back to the individual
> trackpad nodes.
> 
> Signed-off-by: Laura Nao <laura.nao@...labora.com>

Reviewed-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
Tested-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>

With these patches only the right trackpad is enabled on my Spherion and it
works as expected.

Thanks,
Nícolas