From 85dc1cff0df3a7e3012cf88b94026f954a72c178 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Fri, 11 Dec 2009 11:53:54 -0300 Subject: [PATCH] V4L/DVB (13665): sh_mobile_ceu_camera: Add support for sync polarity selection Signed-off-by: Kuninori Morimoto Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/sh_mobile_ceu_camera.c | 17 +++++++++++++++++ include/media/sh_mobile_ceu.h | 2 ++ 2 files changed, 19 insertions(+) diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c index df8dc1d..a610a57 100644 --- a/drivers/media/video/sh_mobile_ceu_camera.c +++ b/drivers/media/video/sh_mobile_ceu_camera.c @@ -687,6 +687,23 @@ static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd, if (!common_flags) 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); if (ret < 0) return ret; diff --git a/include/media/sh_mobile_ceu.h b/include/media/sh_mobile_ceu.h index 0f3524c..b677478 100644 --- a/include/media/sh_mobile_ceu.h +++ b/include/media/sh_mobile_ceu.h @@ -3,6 +3,8 @@ #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_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 { unsigned long flags; -- 2.7.4