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Date:	Tue, 19 Jan 2010 17:22:51 -0700
From:	Dan Williams <dan.j.williams@...el.com>
To:	Roel Kluin <roel.kluin@...il.com>
Cc:	Maciej Sosnowski <maciej.sosnowski@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Guennadi Liakhovetski <g.liakhovetski@....de>
Subject: Re: [PATCH] dma: cases IPU_PIX_FMT_BGRA32, BGR32 and ABGR32 are the 
	same in ipu_ch_param_set_size()

[ added Guennadi ]

On Tue, Jan 19, 2010 at 5:25 PM, Roel Kluin <roel.kluin@...il.com> wrote:
> In these cases the same statements are executed.
>
> Signed-off-by: Roel Kluin <roel.kluin@...il.com>
> ---
> But was this intended? if not, what should differ? bpp?
>
> diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
> index 9a5bc1a..1c518f1 100644
> --- a/drivers/dma/ipu/ipu_idmac.c
> +++ b/drivers/dma/ipu/ipu_idmac.c
> @@ -348,6 +348,7 @@ static void ipu_ch_param_set_size(union chan_param_mem *params,
>                break;
>        case IPU_PIX_FMT_BGRA32:
>        case IPU_PIX_FMT_BGR32:
> +       case IPU_PIX_FMT_ABGR32:
>                params->ip.bpp  = 0;
>                params->ip.pfs  = 4;
>                params->ip.npb  = 7;
> @@ -376,20 +377,6 @@ static void ipu_ch_param_set_size(union chan_param_mem *params,
>                params->ip.wid2 = 7;            /* Blue bit width - 1 */
>                params->ip.wid3 = 7;            /* Alpha bit width - 1 */
>                break;
> -       case IPU_PIX_FMT_ABGR32:
> -               params->ip.bpp  = 0;
> -               params->ip.pfs  = 4;
> -               params->ip.npb  = 7;
> -               params->ip.sat  = 2;            /* SAT = 32-bit access */
> -               params->ip.ofs0 = 8;            /* Red bit offset */
> -               params->ip.ofs1 = 16;           /* Green bit offset */
> -               params->ip.ofs2 = 24;           /* Blue bit offset */
> -               params->ip.ofs3 = 0;            /* Alpha bit offset */
> -               params->ip.wid0 = 7;            /* Red bit width - 1 */
> -               params->ip.wid1 = 7;            /* Green bit width - 1 */
> -               params->ip.wid2 = 7;            /* Blue bit width - 1 */
> -               params->ip.wid3 = 7;            /* Alpha bit width - 1 */
> -               break;
>        case IPU_PIX_FMT_UYVY:
>                params->ip.bpp  = 2;
>                params->ip.pfs  = 6;
> --
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