linux-kernel - Re: Display class

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Message-ID: <653402b90612061106i2071ba75ka1a14de6829c85b5@mail.gmail.com>
Date:	Wed, 6 Dec 2006 20:06:24 +0100
From:	"Miguel Ojeda" <maxextreme@...il.com>
To:	jsimmons@...radead.org
Cc:	linux-kernel@...r.kernel.org, Luming.yu@...el.com, zap@...elink.ru,
	randy.dunlap@...cle.com, kernel-discuss@...dhelds.org
Subject: Re: Display class

On 12/6/06, Miguel Ojeda Sandonis <maxextreme@...il.com> wrote:
> Ok, here is the patch (against git7+displayclass) which moves auxdisplay/*
> to video/display/* and start using the display class.
>
> It is just a draft, but there isn't much code changed from -mm2.
>
>   - I would remove "struct device *dev, void *devdata" of display_device_register()
>     Are they neccesary for other display drivers? I have to pass NULL right now.
>
>   - I would add a paramtere ("char *name") to display_device_register() so we
>     set the name when registering. Right now I have to set my name after inited,
>     and this is a Linux module and not a person borning, right? ;)
>
>   - I would add a read/writeable attr called "rate" for set/unset the refresh rate
>     of a display.
>
>   - I was going to maintain the drivers/auxdisplay/* tree.
>     Are you going to maintain the driver? I think so, just for being sure.

I meant display driver (display/*).

>
> P.S.
>
>   When I was working at 2.6.19-rc6-mm2 it worked all fine, but now
>   I have copied it to git7 I'm getting some weird segmentation faults
>   (oops) when at cfag12864bfb_init, at mutex_lock() in
>   display_device_unregister module... I think unrelated (?), but I will
>

I meant display_device_unregister function of display-sysfs.c

--

The changes have been made in driver/video/display/cfag12864bfb.c, so
please focus the review on it.

Thanks
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