aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/bcm27xx/patches-5.15/950-0266-media-i2c-imx290-Explicitly-set-v-h-blank-on-mode-ch.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0266-media-i2c-imx290-Explicitly-set-v-h-blank-on-mode-ch.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.15/950-0266-media-i2c-imx290-Explicitly-set-v-h-blank-on-mode-ch.patch46
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0266-media-i2c-imx290-Explicitly-set-v-h-blank-on-mode-ch.patch b/target/linux/bcm27xx/patches-5.15/950-0266-media-i2c-imx290-Explicitly-set-v-h-blank-on-mode-ch.patch
new file mode 100644
index 0000000000..2d8c645ef8
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.15/950-0266-media-i2c-imx290-Explicitly-set-v-h-blank-on-mode-ch.patch
@@ -0,0 +1,46 @@
+From f77451147a60ac62a6cdbd06b14e7b292fff80d6 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Tue, 7 Jul 2020 10:31:53 +0100
+Subject: [PATCH] media: i2c: imx290: Explicitly set v&h blank on mode
+ change
+
+__v4l2_ctrl_modify_range only updates the current value should
+it be invalid within the new range. That can leave modes producing
+odd frame rates.
+
+Explicitly update the HBLANK and VBLANK values so that on mode
+change we revert to the default frame rate for the mode.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
+---
+ drivers/media/i2c/imx290.c | 10 ++++++++--
+ 1 file changed, 8 insertions(+), 2 deletions(-)
+
+--- a/drivers/media/i2c/imx290.c
++++ b/drivers/media/i2c/imx290.c
+@@ -796,17 +796,23 @@ static int imx290_set_fmt(struct v4l2_su
+ __v4l2_ctrl_s_ctrl_int64(imx290->pixel_rate,
+ imx290_calc_pixel_rate(imx290));
+
+- if (imx290->hblank)
++ if (imx290->hblank) {
+ __v4l2_ctrl_modify_range(imx290->hblank,
+ imx290->hmax_min - mode->width,
+ IMX290_HMAX_MAX - mode->width,
+ 1, mode->hmax - mode->width);
+- if (imx290->vblank)
++ __v4l2_ctrl_s_ctrl(imx290->hblank,
++ mode->hmax - mode->width);
++ }
++ if (imx290->vblank) {
+ __v4l2_ctrl_modify_range(imx290->vblank,
+ mode->vmax - mode->height,
+ IMX290_VMAX_MAX - mode->height,
+ 1,
+ mode->vmax - mode->height);
++ __v4l2_ctrl_s_ctrl(imx290->vblank,
++ mode->vmax - mode->height);
++ }
+ if (imx290->exposure)
+ __v4l2_ctrl_modify_range(imx290->exposure,
+ mode->vmax - mode->height,