linux-kernel - Re: [PATCH 2/3] tegra: pwm-backlight: add tegra pwm-bl driver

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Date:	Mon, 21 Jan 2013 09:52:45 +0100
From:	Marc Dietrich <marvin24@....de>
To:	Mark Zhang <nvmarkzhang@...il.com>
Cc:	Alexandre Courbot <acourbot@...dia.com>,
	Thierry Reding <thierry.reding@...onic-design.de>,
	Stephen Warren <swarren@...dotorg.org>,
	linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-tegra@...r.kernel.org, Mark Zhang <markz@...dia.com>,
	gnurou@...il.com
Subject: Re: [PATCH 2/3] tegra: pwm-backlight: add tegra pwm-bl driver

Hi,

> > diff --git a/drivers/video/backlight/pwm_bl_tegra.c
> > b/drivers/video/backlight/pwm_bl_tegra.c new file mode 100644
> > index 0000000..8f2195b
> > --- /dev/null
> > +++ b/drivers/video/backlight/pwm_bl_tegra.c
> 
> So according to the filename, I think we can put all tegra boards codes
> here, right? Just like what you do for Ventana, if I wanna add support
> for cardhu, I can define similar functions -- let's say "init_cardhu",
> "exit_cardhu", "notify_cardhu" and "notify_after_cardhu", right?
> 
> But I think if we do in this way, the file will become very long soon.
> And there are a lot of redundant codes in it. So do you have any
> suggestions?

I think we (for PAZ00) will just reuse the ventana code which is sufficient 
for us. But adding "pwm-backlight-ventana" to our DTS may look a bit strange. 
On the other hand, I guess that's why the property is called "compatible".

Marc

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