linux-kernel - Re: [PATCH v3 1/2] platform/x86: int3472: add hpd pin support

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Message-ID: <aA-e2zBMgb1OF-8U@kekkonen.localdomain>
Date: Mon, 28 Apr 2025 15:29:31 +0000
From: Sakari Ailus <sakari.ailus@...ux.intel.com>
To: Dongcheng Yan <dongcheng.yan@...el.com>
Cc: linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
	hverkuil@...all.nl, andriy.shevchenko@...ux.intel.com,
	hdegoede@...hat.com, u.kleine-koenig@...libre.com,
	ricardo.ribalda@...il.com, bingbu.cao@...ux.intel.com,
	stable@...r.kernel.org, dongcheng.yan@...ux.intel.com,
	hao.yao@...el.com
Subject: Re: [PATCH v3 1/2] platform/x86: int3472: add hpd pin support

Hi Dongcheng,

On Fri, Apr 25, 2025 at 06:43:30PM +0800, Dongcheng Yan wrote:
> Typically HDMI to MIPI CSI-2 bridges have a pin to signal image data is
> being received. On the host side this is wired to a GPIO for polling or
> interrupts. This includes the Lontium HDMI to MIPI CSI-2 bridges
> lt6911uxe and lt6911uxc.
> 
> The GPIO "hpd" is used already by other HDMI to CSI-2 bridges, use it
> here as well.
> 
> Signed-off-by: Dongcheng Yan <dongcheng.yan@...el.com>

Thanks for the update.

Reviewed-by: Sakari Ailus <sakari.ailus@...ux.intel.com>

-- 
Regards,

Sakari Ailus