V4L/DVB (13665): sh_mobile_ceu_camera: Add support for sync polarity selection (85dc1cff) · Commits · 戴 / test

drivers/media/video/sh_mobile_ceu_camera.c

+17 −0

Original line number	Diff line number	Diff line
		@@ -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;

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;