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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2022-05-16 23:40:32 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2022-05-17 15:11:22 +0200 |
commit | 20ea6adbf199097c4f5f591ffee088340630dae4 (patch) | |
tree | d6719d95e136611a1c25bbf7789652d6d402779d /target/linux/bcm27xx/patches-5.15/950-0403-media-i2c-imx477-Fix-for-long-exposure-limit-calcula.patch | |
parent | bca05bd072180dc38ef740b37ded9572a6db1981 (diff) | |
download | upstream-20ea6adbf199097c4f5f591ffee088340630dae4.tar.gz upstream-20ea6adbf199097c4f5f591ffee088340630dae4.tar.bz2 upstream-20ea6adbf199097c4f5f591ffee088340630dae4.zip |
bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B
Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0403-media-i2c-imx477-Fix-for-long-exposure-limit-calcula.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0403-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-5.15/950-0403-media-i2c-imx477-Fix-for-long-exposure-limit-calcula.patch b/target/linux/bcm27xx/patches-5.15/950-0403-media-i2c-imx477-Fix-for-long-exposure-limit-calcula.patch new file mode 100644 index 0000000000..60d1c1b1ac --- /dev/null +++ b/target/linux/bcm27xx/patches-5.15/950-0403-media-i2c-imx477-Fix-for-long-exposure-limit-calcula.patch @@ -0,0 +1,26 @@ +From 28d69f0b8b5b66551071919c652355d266e8a841 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, |