diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0628-media-i2c-imx477-Fix-for-long-exposure-limit-calcula.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0628-media-i2c-imx477-Fix-for-long-exposure-limit-calcula.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0628-media-i2c-imx477-Fix-for-long-exposure-limit-calcula.patch b/target/linux/bcm27xx/patches-5.10/950-0628-media-i2c-imx477-Fix-for-long-exposure-limit-calcula.patch new file mode 100644 index 0000000000..769e592657 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0628-media-i2c-imx477-Fix-for-long-exposure-limit-calcula.patch @@ -0,0 +1,26 @@ +From cd306429474a0265660759ab12024d8ff978d586 Mon Sep 17 00:00:00 2001 +From: Naushir Patuck <naush@raspberrypi.com> +Date: Fri, 11 Jun 2021 12:47:07 +0100 +Subject: [PATCH] media: i2c: imx477: Fix for long exposure limit + calculations + +Do not scale IMX477_EXPOSURE_OFFSET with the long exposure factor during +the limit calculations. This allows larger exposure times, and does seem to be +what the sensor is doing internally. + +Signed-off-by: Naushir Patuck <naush@raspberrypi.com> +--- + drivers/media/i2c/imx477.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/media/i2c/imx477.c ++++ b/drivers/media/i2c/imx477.c +@@ -1282,7 +1282,7 @@ static void imx477_adjust_exposure_range + + /* Honour the VBLANK limits when setting exposure. */ + exposure_max = imx477->mode->height + imx477->vblank->val - +- (IMX477_EXPOSURE_OFFSET << imx477->long_exp_shift); ++ IMX477_EXPOSURE_OFFSET; + exposure_def = min(exposure_max, imx477->exposure->val); + __v4l2_ctrl_modify_range(imx477->exposure, imx477->exposure->minimum, + exposure_max, imx477->exposure->step, |