diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0831-media-i2c-imx290-Add-exposure-control-to-the-driver.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0831-media-i2c-imx290-Add-exposure-control-to-the-driver.patch | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0831-media-i2c-imx290-Add-exposure-control-to-the-driver.patch b/target/linux/bcm27xx/patches-5.4/950-0831-media-i2c-imx290-Add-exposure-control-to-the-driver.patch deleted file mode 100644 index 86836dc3af..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0831-media-i2c-imx290-Add-exposure-control-to-the-driver.patch +++ /dev/null @@ -1,93 +0,0 @@ -From d6c85afca764dc32c3d7981867471fc820e07388 Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.com> -Date: Thu, 11 Jun 2020 18:19:13 +0100 -Subject: [PATCH] media: i2c: imx290: Add exposure control to the - driver. - -Adds support for V4L2_CID_EXPOSURE so that userspace can control -the sensor exposure time. - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> ---- - drivers/media/i2c/imx290.c | 35 +++++++++++++++++++++++++++++++++++ - 1 file changed, 35 insertions(+) - ---- a/drivers/media/i2c/imx290.c -+++ b/drivers/media/i2c/imx290.c -@@ -45,6 +45,10 @@ enum imx290_clk_index { - #define IMX290_HMAX_MIN_2LANE 4400 /* Min of 4400 pixels = 30fps */ - #define IMX290_HMAX_MIN_4LANE 2200 /* Min of 2200 pixels = 60fps */ - #define IMX290_HMAX_MAX 0xffff -+ -+#define IMX290_EXPOSURE_MIN 2 -+#define IMX290_EXPOSURE_STEP 1 -+#define IMX290_EXPOSURE_LOW 0x3020 - #define IMX290_PGCTRL 0x308c - #define IMX290_PHY_LANE_NUM 0x3407 - #define IMX290_CSI_LANE_MODE 0x3443 -@@ -103,6 +107,7 @@ struct imx290 { - struct v4l2_ctrl *pixel_rate; - struct v4l2_ctrl *hblank; - struct v4l2_ctrl *vblank; -+ struct v4l2_ctrl *exposure; - - struct mutex lock; - }; -@@ -529,6 +534,20 @@ static int imx290_set_gain(struct imx290 - return ret; - } - -+static int imx290_set_exposure(struct imx290 *imx290, u32 value) -+{ -+ u32 exposure = (imx290->current_mode->height + imx290->vblank->val) - -+ value; -+ int ret; -+ -+ ret = imx290_write_buffered_reg(imx290, IMX290_EXPOSURE_LOW, 3, -+ exposure); -+ if (ret) -+ dev_err(imx290->dev, "Unable to write exposure\n"); -+ -+ return ret; -+} -+ - static int imx290_set_hmax(struct imx290 *imx290, u32 val) - { - u32 hmax = val + imx290->current_mode->width; -@@ -590,6 +609,9 @@ static int imx290_set_ctrl(struct v4l2_c - case V4L2_CID_GAIN: - ret = imx290_set_gain(imx290, ctrl->val); - break; -+ case V4L2_CID_EXPOSURE: -+ ret = imx290_set_exposure(imx290, ctrl->val); -+ break; - case V4L2_CID_HBLANK: - ret = imx290_set_hmax(imx290, ctrl->val); - break; -@@ -764,6 +786,12 @@ static int imx290_set_fmt(struct v4l2_su - IMX290_VMAX_MAX - mode->height, - 1, - mode->vmax - mode->height); -+ if (imx290->exposure) -+ __v4l2_ctrl_modify_range(imx290->exposure, -+ mode->vmax - mode->height, -+ mode->vmax - 4, -+ IMX290_EXPOSURE_STEP, -+ mode->vmax - 4); - } - - *format = fmt->format; -@@ -1182,6 +1210,13 @@ static int imx290_probe(struct i2c_clien - IMX290_VMAX_MAX - mode->height, 1, - mode->vmax - mode->height); - -+ imx290->exposure = v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops, -+ V4L2_CID_EXPOSURE, -+ IMX290_EXPOSURE_MIN, -+ mode->vmax - 4, -+ IMX290_EXPOSURE_STEP, -+ mode->vmax - 4); -+ - imx290->link_freq = - v4l2_ctrl_new_int_menu(&imx290->ctrls, &imx290_ctrl_ops, - V4L2_CID_LINK_FREQ, |