diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0885-media-i2c-imx290-Explicitly-set-v-h-blank-on-mode-ch.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0885-media-i2c-imx290-Explicitly-set-v-h-blank-on-mode-ch.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0885-media-i2c-imx290-Explicitly-set-v-h-blank-on-mode-ch.patch b/target/linux/bcm27xx/patches-5.4/950-0885-media-i2c-imx290-Explicitly-set-v-h-blank-on-mode-ch.patch new file mode 100644 index 0000000000..751f46db35 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0885-media-i2c-imx290-Explicitly-set-v-h-blank-on-mode-ch.patch @@ -0,0 +1,46 @@ +From 0a47c61cee411b3ada4413f6cebae8cdb06f062e 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, |