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V4L/DVB (13665): sh_mobile_ceu_camera: Add support for sync polarity selection

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Signed-off-by: Kuninori Morimoto <morimoto.kuninori@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 2009-12-11 11:53:54 -03:00 committed by Mauro Carvalho Chehab
parent 34cae30b84
commit 85dc1cff0d
2 changed files with 19 additions and 0 deletions
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17
drivers/media/video/sh_mobile_ceu_camera.c
View file

@ -687,6 +687,23 @@ static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd,
if (!common_flags) if (!common_flags)
return -EINVAL; return -EINVAL;
/* Make choises, based on platform preferences */
if ((common_flags & SOCAM_HSYNC_ACTIVE_HIGH) &&
(common_flags & SOCAM_HSYNC_ACTIVE_LOW)) {
if (pcdev->pdata->flags & SH_CEU_FLAG_HSYNC_LOW)
common_flags &= ~SOCAM_HSYNC_ACTIVE_HIGH;
else
common_flags &= ~SOCAM_HSYNC_ACTIVE_LOW;
}
if ((common_flags & SOCAM_VSYNC_ACTIVE_HIGH) &&
(common_flags & SOCAM_VSYNC_ACTIVE_LOW)) {
if (pcdev->pdata->flags & SH_CEU_FLAG_VSYNC_LOW)
common_flags &= ~SOCAM_VSYNC_ACTIVE_HIGH;
else
common_flags &= ~SOCAM_VSYNC_ACTIVE_LOW;
}
ret = icd->ops->set_bus_param(icd, common_flags); ret = icd->ops->set_bus_param(icd, common_flags);
if (ret < 0) if (ret < 0)
return ret; return ret;

2
include/media/sh_mobile_ceu.h
View file

@ -3,6 +3,8 @@
#define SH_CEU_FLAG_USE_8BIT_BUS (1 << 0) /* use 8bit bus width */ #define SH_CEU_FLAG_USE_8BIT_BUS (1 << 0) /* use 8bit bus width */
#define SH_CEU_FLAG_USE_16BIT_BUS (1 << 1) /* use 16bit bus width */ #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 */
struct sh_mobile_ceu_info { struct sh_mobile_ceu_info {
unsigned long flags; unsigned long flags;