openwrt/target/linux/bcm27xx/patches-5.10/950-0235-media-i2c-ov5647-Neither-analogue-gain-nor-exposure-.patch
Álvaro Fernández Rojas 8299d1f057 bcm27xx: add kernel 5.10 support
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-08-21 19:07:07 +02:00

59 lines
2.1 KiB
Diff

From 05a1c88d9b8dd344edfce3eaa00a3cac866cf3ad Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Wed, 29 Apr 2020 21:47:25 +0100
Subject: [PATCH] media: i2c: ov5647: Neither analogue gain nor
exposure need EXECUTE_ON_WRITE
The controls for analogue gain and exposure were defined with
V4L2_CTRL_FLAG_EXECUTE_ON_WRITE. This is not required as we only need
to send changes to the sensor.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/media/i2c/ov5647.c | 27 ++++++++++++---------------
1 file changed, 12 insertions(+), 15 deletions(-)
--- a/drivers/media/i2c/ov5647.c
+++ b/drivers/media/i2c/ov5647.c
@@ -1472,7 +1472,6 @@ static int ov5647_probe(struct i2c_clien
struct v4l2_subdev *sd;
struct device_node *np = client->dev.of_node;
u32 xclk_freq;
- struct v4l2_ctrl *ctrl;
int hblank;
sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL);
@@ -1525,20 +1524,18 @@ static int ov5647_probe(struct i2c_clien
V4L2_EXPOSURE_MANUAL, /* max */
0, /* skip_mask */
V4L2_EXPOSURE_MANUAL); /* default */
- ctrl = v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
- V4L2_CID_EXPOSURE,
- 4, /* min lines */
- 65535, /* max lines (4+8+4 bits)*/
- 1, /* step */
- 1000); /* default number of lines */
- ctrl->flags |= V4L2_CTRL_FLAG_EXECUTE_ON_WRITE;
- ctrl = v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
- V4L2_CID_ANALOGUE_GAIN,
- 16, /* min, 16 = 1.0x */
- 1023, /* max (10 bits) */
- 1, /* step */
- 32); /* default, 32 = 2.0x */
- ctrl->flags |= V4L2_CTRL_FLAG_EXECUTE_ON_WRITE;
+ v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
+ V4L2_CID_EXPOSURE,
+ 4, /* min lines */
+ 65535, /* max lines (4+8+4 bits)*/
+ 1, /* step */
+ 1000); /* default number of lines */
+ v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
+ V4L2_CID_ANALOGUE_GAIN,
+ 16, /* min, 16 = 1.0x */
+ 1023, /* max (10 bits) */
+ 1, /* step */
+ 32); /* default, 32 = 2.0x */
/* Set the default mode before we init the subdev */
sensor->mode = OV5647_DEFAULT_MODE;