diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0285-media-i2c-ov9281-fix-mclk-issue-when-probe-multiple-.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0285-media-i2c-ov9281-fix-mclk-issue-when-probe-multiple-.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0285-media-i2c-ov9281-fix-mclk-issue-when-probe-multiple-.patch b/target/linux/bcm27xx/patches-5.10/950-0285-media-i2c-ov9281-fix-mclk-issue-when-probe-multiple-.patch new file mode 100644 index 0000000000..b444221198 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0285-media-i2c-ov9281-fix-mclk-issue-when-probe-multiple-.patch @@ -0,0 +1,60 @@ +From ecaf713a6535e49f1eb4374f6241421e8e61d407 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)) |