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From:   Jani Nikula <jani.nikula@linux.intel.com>
To:     Pavel Machek <pavel@ucw.cz>,
        kernel list <linux-kernel@vger.kernel.org>,
        intel-gfx@lists.freedesktop.org, rodrigo.vivi@intel.com,
        joonas.lahtinen@linux.intel.com
Subject: Re: DDC on Thinkpad x220
In-Reply-To: <20190930184707.GA5703@amd>
Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
References: <20190930184707.GA5703@amd>
Date:   Tue, 01 Oct 2019 12:39:34 +0300
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On Mon, 30 Sep 2019, Pavel Machek <pavel@ucw.cz> wrote:
> Hi!
>
> Thinkpad X220 should be new enough machine to talk DDC to the
> monitors, right? And my monitor has DDC enable/disable in the menu, so
> it should support it, too...
>
> But I don't have /dev/i2c* and did not figure out how to talk to the
> monitor. Is the support there in the kernel? What do I need to enable
> it?

# modprobe i2c-dev

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Graphics Center