mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 14:13:16 +00:00
20ea6adbf1
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>
61 lines
2.0 KiB
Diff
61 lines
2.0 KiB
Diff
From 9c9fb7cc79522452903f48f6f57b9fd83ad3f4ec Mon Sep 17 00:00:00 2001
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
Date: Tue, 14 Apr 2020 15:47:09 +0100
|
|
Subject: [PATCH] media: i2c: ov9281: fix mclk issue when probe
|
|
multiple camera.
|
|
|
|
Takes the ov9281 part only from the Rockchip's patch.
|
|
|
|
Change-Id: I30e833baf2c1bb07d6d87ddb3b00759ab45a90e4
|
|
Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
|
|
---
|
|
drivers/media/i2c/ov9281.c | 16 ++++++++--------
|
|
1 file changed, 8 insertions(+), 8 deletions(-)
|
|
|
|
--- a/drivers/media/i2c/ov9281.c
|
|
+++ b/drivers/media/i2c/ov9281.c
|
|
@@ -3,6 +3,7 @@
|
|
* ov9281 driver
|
|
*
|
|
* Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd.
|
|
+ * V0.0X01.0X02 fix mclk issue when probe multiple camera.
|
|
*/
|
|
|
|
#include <linux/clk.h>
|
|
@@ -22,7 +23,7 @@
|
|
#include <media/v4l2-subdev.h>
|
|
#include <linux/pinctrl/consumer.h>
|
|
|
|
-#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x0)
|
|
+#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x2)
|
|
|
|
#ifndef V4L2_CID_DIGITAL_GAIN
|
|
#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN
|
|
@@ -676,6 +677,12 @@ static int __ov9281_power_on(struct ov92
|
|
dev_err(dev, "could not set pins\n");
|
|
}
|
|
|
|
+ ret = clk_set_rate(ov9281->xvclk, OV9281_XVCLK_FREQ);
|
|
+ if (ret < 0)
|
|
+ dev_warn(dev, "Failed to set xvclk rate (24MHz)\n");
|
|
+ if (clk_get_rate(ov9281->xvclk) != OV9281_XVCLK_FREQ)
|
|
+ dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n");
|
|
+
|
|
ret = clk_prepare_enable(ov9281->xvclk);
|
|
if (ret < 0) {
|
|
dev_err(dev, "Failed to enable xvclk\n");
|
|
@@ -1008,13 +1015,6 @@ static int ov9281_probe(struct i2c_clien
|
|
dev_err(dev, "Failed to get xvclk\n");
|
|
return -EINVAL;
|
|
}
|
|
- ret = clk_set_rate(ov9281->xvclk, OV9281_XVCLK_FREQ);
|
|
- if (ret < 0) {
|
|
- dev_err(dev, "Failed to set xvclk rate (24MHz)\n");
|
|
- return ret;
|
|
- }
|
|
- if (clk_get_rate(ov9281->xvclk) != OV9281_XVCLK_FREQ)
|
|
- dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n");
|
|
|
|
ov9281->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
|
|
if (IS_ERR(ov9281->reset_gpio))
|