linux-kernel - Re: [PATCH v2 5/8] drm/i2c: tda998x: add video and audio input configuration

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Date:	Mon, 19 Aug 2013 00:29:36 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Dave Airlie <airlied@...il.com>
Cc:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	David Airlie <airlied@...ux.ie>,
	Darren Etheridge <detheridge@...com>,
	Rob Clark <robdclark@...il.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	dri-devel <dri-devel@...ts.freedesktop.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 5/8] drm/i2c: tda998x: add video and audio input
	configuration

On Mon, Aug 19, 2013 at 09:23:17AM +1000, Dave Airlie wrote:
> On Thu, Aug 15, 2013 at 5:43 AM, Sebastian Hesselbarth
> <sebastian.hesselbarth@...il.com> wrote:
> > From: Russell King <rmk+kernel@....linux.org.uk>
> >
> > This patch adds tda998x specific parameters to allow it to be configured
> > for different boards using it. Also, this implements rudimentary audio
> > support for S/PDIF attached controllers.
> >
> > Signed-off-by: Russell King <rmk+kernel@....linux.org.uk>
> > Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
> > Tested-by: Darren Etheridge <detheridge@...com>
> > ---
> 
> I've merged the series,

Thanks.

> this one generates a warning though:
>   CC [M]  drivers/gpu/drm/i2c/tda998x_drv.o
> /home/airlied/devel/kernel/drm-next/drivers/gpu/drm/i2c/tda998x_drv.c:
> In function ‘tda998x_encoder_mode_set’:
> /home/airlied/devel/kernel/drm-next/drivers/gpu/drm/i2c/tda998x_drv.c:637:11:
> warning: ‘clksel_fs’ may be used uninitialized in this function
> [-Wmaybe-uninitialized]
> /home/airlied/devel/kernel/drm-next/drivers/gpu/drm/i2c/tda998x_drv.c:573:30:
> note: ‘clksel_fs’ was declared here
> /home/airlied/devel/kernel/drm-next/drivers/gpu/drm/i2c/tda998x_drv.c:637:11:
> warning: ‘clksel_aip’ may be used uninitialized in this function
> [-Wmaybe-uninitialized]
> /home/airlied/devel/kernel/drm-next/drivers/gpu/drm/i2c/tda998x_drv.c:573:18:
> note: ‘clksel_aip’ was declared here
> 
> It doesn't seem like a real problem, since the function is unlikely to
> be called any way to make that case happen.

Ok, I'll squash those warnings by a slight rearrangement of the code.
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