linux-kernel - Re: [PATCH v4 1/1] platform/x86: int3472: add hpd pin support

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Message-ID: <aGUfyFHaisDyM0PV@smile.fi.intel.com>
Date: Wed, 2 Jul 2025 15:02:16 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: linux-media@...r.kernel.org, platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org, hans@...erkuil.nl,
	hdegoede@...hat.com, u.kleine-koenig@...libre.com,
	ricardo.ribalda@...il.com,
	Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
	bingbu.cao@...ux.intel.com, dongcheng.yan@...ux.intel.com,
	hao.yao@...el.com
Subject: Re: [PATCH v4 1/1] platform/x86: int3472: add hpd pin support

On Wed, Jul 02, 2025 at 02:21:30PM +0300, Sakari Ailus wrote:
> From: Dongcheng Yan <dongcheng.yan@...el.com>
> 
> 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.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

-- 
With Best Regards,
Andy Shevchenko