diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-6.1/950-0623-media-i2c-imx290-Fix-max-gain-value.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-6.1/950-0623-media-i2c-imx290-Fix-max-gain-value.patch | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/target/linux/bcm27xx/patches-6.1/950-0623-media-i2c-imx290-Fix-max-gain-value.patch b/target/linux/bcm27xx/patches-6.1/950-0623-media-i2c-imx290-Fix-max-gain-value.patch deleted file mode 100644 index 2a5200f527..0000000000 --- a/target/linux/bcm27xx/patches-6.1/950-0623-media-i2c-imx290-Fix-max-gain-value.patch +++ /dev/null @@ -1,52 +0,0 @@ -From cf16974cd2daa3ae3fa3faf7c12c8b2d44828950 Mon Sep 17 00:00:00 2001 -From: Laurent Pinchart <laurent.pinchart@ideasonboard.com> -Date: Sun, 16 Oct 2022 09:15:16 +0300 -Subject: [PATCH] media: i2c: imx290: Fix max gain value - -Upstream commit 6d7a87f2d3a6. - -The gain is expressed in multiple of 0.3dB, as a value between 0.0dB -and 72.0dB. Gains between 0.0dB and 30.0dB (included) apply analog gain -only, higher gains from 30.3dB to 72dB apply additional digital gain. - -The maximum gain value is erroneously set to 72. Increase it to 100 to -cover the whole analog gain range. Support for digital gain can be added -separately if needed. - -The IMX327 and IMX462 are largely compatible with the IMX290, but have -an analog gain range of 0.0dB to 29.4dB and 42dB of digital gain. When -support for those sensors gets added to the driver, the gain control -should be adjusted accordingly. - -Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> -Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com> -Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> ---- - drivers/media/i2c/imx290.c | 15 ++++++++++++++- - 1 file changed, 14 insertions(+), 1 deletion(-) - ---- a/drivers/media/i2c/imx290.c -+++ b/drivers/media/i2c/imx290.c -@@ -1019,8 +1019,21 @@ static int imx290_probe(struct i2c_clien - v4l2_ctrl_handler_init(&imx290->ctrls, 5); - imx290->ctrls.lock = &imx290->lock; - -+ /* -+ * The sensor has an analog gain and a digital gain, both controlled -+ * through a single gain value, expressed in 0.3dB increments. Values -+ * from 0.0dB (0) to 30.0dB (100) apply analog gain only, higher values -+ * up to 72.0dB (240) add further digital gain. Limit the range to -+ * analog gain only, support for digital gain can be added separately -+ * if needed. -+ * -+ * The IMX327 and IMX462 are largely compatible with the IMX290, but -+ * have an analog gain range of 0.0dB to 29.4dB and 42dB of digital -+ * gain. When support for those sensors gets added to the driver, the -+ * gain control should be adjusted accordingly. -+ */ - v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops, -- V4L2_CID_GAIN, 0, 72, 1, 0); -+ V4L2_CID_GAIN, 0, 100, 1, 0); - - v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops, - V4L2_CID_EXPOSURE, 1, IMX290_VMAX_DEFAULT - 2, 1, |