linux-kernel - Re: [PATCH 1/1 linux-next] omap_vout: use swap() in omapvid

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Message-ID: <555A2D88.7070808@linaro.org>
Date:	Mon, 18 May 2015 23:50:56 +0530
From:	Vaibhav Hiremath <vaibhav.hiremath@...aro.org>
To:	Fabian Frederick <fabf@...net.be>, linux-kernel@...r.kernel.org
CC:	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	linux-media@...r.kernel.org
Subject: Re: [PATCH 1/1 linux-next] omap_vout: use swap() in omapvid_init()



On Monday 18 May 2015 11:24 PM, Fabian Frederick wrote:
> Use kernel.h macro definition.
>
> Signed-off-by: Fabian Frederick <fabf@...net.be>
> ---
>   drivers/media/platform/omap/omap_vout.c | 10 +++-------
>   1 file changed, 3 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c
> index 17b189a..f09c5f1 100644
> --- a/drivers/media/platform/omap/omap_vout.c
> +++ b/drivers/media/platform/omap/omap_vout.c
> @@ -445,7 +445,7 @@ static int omapvid_init(struct omap_vout_device *vout, u32 addr)
>   	int ret = 0, i;
>   	struct v4l2_window *win;
>   	struct omap_overlay *ovl;
> -	int posx, posy, outw, outh, temp;
> +	int posx, posy, outw, outh;
>   	struct omap_video_timings *timing;
>   	struct omapvideo_info *ovid = &vout->vid_info;
>
> @@ -468,9 +468,7 @@ static int omapvid_init(struct omap_vout_device *vout, u32 addr)
>   			/* Invert the height and width for 90
>   			 * and 270 degree rotation
>   			 */
> -			temp = outw;
> -			outw = outh;
> -			outh = temp;
> +			swap(outw, outh);
>   			posy = (timing->y_res - win->w.width) - win->w.left;
>   			posx = win->w.top;
>   			break;
> @@ -481,9 +479,7 @@ static int omapvid_init(struct omap_vout_device *vout, u32 addr)
>   			break;
>
>   		case dss_rotation_270_degree:
> -			temp = outw;
> -			outw = outh;
> -			outh = temp;
> +			swap(outw, outh);
>   			posy = win->w.left;
>   			posx = (timing->x_res - win->w.height) - win->w.top;
>   			break;
>


Curious to know,
How do you test this? Do you have any OMAP2/3 or AM335x board?
Does this driver still works?

Thanks,
Vaibhav
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