From: "Antonino A. Daplas" <adaplas@hotpop.com>
To: linux-fbdev-devel@lists.sourceforge.net, z g <zgrong188@hotmail.com>
Subject: Re: A strange question for LCD
Date: Tue, 5 Oct 2004 11:07:58 +0800 [thread overview]
Message-ID: <200410051107.58899.adaplas@hotpop.com> (raw)
In-Reply-To: <BAY17-F22jQHtMFauky00016eb2@hotmail.com>
On Monday 04 October 2004 23:15, z g wrote:
> I have a LCD(LQ035q7db02). It supports 240X320(H X W). I have a frame
> buffer driver for it and it works well. But I have to change the display
> mode in 320X240 (H X W) . I don't know whether I can change the frame
> buffer driver to implement it. If can, how to change the driver. If anyone
> can help me? Thanks!
You need to support 2 methods:
xxxfb_check_var()
- check the passed var structure for compatibility with the hardware. If
not, it's acceptable to return a modified var that is agreeable to the
driver.
xxxfb_set_par()
- change the hardware state according to the contents of info->var.
Once you've added the above methods, you can choose the driver's initial
mode by various methods, or you can use fbset to change the resolution after
the driver loads.
Tony
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prev parent reply other threads:[~2004-10-05 3:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-04 15:15 A strange question for LCD z g
2004-10-04 19:39 ` Michal 'hramrach' Suchanek
2004-10-05 3:07 ` Antonino A. Daplas [this message]
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