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[media] V4L2: sh_mobile_ceu: manage lower 8bit bus 

CAMCR::DTIF feild controls camera bus as upper8bit/16bit/lower8bit.
This patch manages unmanaged lower 8bit bus

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Kuninori Morimoto 2012-05-08 00:00:07 -03:00 committed by Mauro Carvalho Chehab
parent fec0f72f5f
commit 2564f67bc8
2 changed files with 6 additions and 3 deletions
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8
drivers/media/video/sh_mobile_ceu_camera.c
View File

@ -870,11 +870,13 @@ static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd)
value |= common_flags & V4L2_MBUS_VSYNC_ACTIVE_LOW ? 1 << 1 : 0;
value |= common_flags & V4L2_MBUS_HSYNC_ACTIVE_LOW ? 1 << 0 : 0;
value |= pcdev->is_16bit ? 1 << 12 : 0;
/* CSI2 mode */
if (pcdev->pdata->csi2)
if (pcdev->pdata->csi2) /* CSI2 mode */
value |= 3 << 12;
else if (pcdev->is_16bit)
value |= 1 << 12;
else if (pcdev->pdata->flags & SH_CEU_FLAG_LOWER_8BIT)
value |= 2 << 12;
ceu_write(pcdev, CAMCR, value);

1
include/media/sh_mobile_ceu.h
View File

@ -5,6 +5,7 @@
#define SH_CEU_FLAG_USE_16BIT_BUS (1 << 1) /* use 16bit bus width */
#define SH_CEU_FLAG_HSYNC_LOW (1 << 2) /* default High if possible */
#define SH_CEU_FLAG_VSYNC_LOW (1 << 3) /* default High if possible */
#define SH_CEU_FLAG_LOWER_8BIT (1 << 4) /* default upper 8bit */
struct device;
struct resource;