diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0824-media-i2c-imx258-Issue-reset-before-starting-streami.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0824-media-i2c-imx258-Issue-reset-before-starting-streami.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0824-media-i2c-imx258-Issue-reset-before-starting-streami.patch b/target/linux/bcm27xx/patches-5.15/950-0824-media-i2c-imx258-Issue-reset-before-starting-streami.patch new file mode 100644 index 0000000000..debe37b8f3 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.15/950-0824-media-i2c-imx258-Issue-reset-before-starting-streami.patch @@ -0,0 +1,41 @@ +From 4207b34a5b5831d5fea177a1a005eec692cc3722 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Thu, 31 Mar 2022 17:12:12 +0100 +Subject: [PATCH] media: i2c: imx258: Issue reset before starting + streaming + +Whilst not documented, register 0x0103 bit 0 is the soft +reset for the sensor, so send it before trying to configure +the sensor. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + drivers/media/i2c/imx258.c | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +--- a/drivers/media/i2c/imx258.c ++++ b/drivers/media/i2c/imx258.c +@@ -20,6 +20,8 @@ + #define IMX258_MODE_STANDBY 0x00 + #define IMX258_MODE_STREAMING 0x01 + ++#define IMX258_REG_RESET 0x0103 ++ + /* Chip ID */ + #define IMX258_REG_CHIP_ID 0x0016 + #define IMX258_CHIP_ID 0x0258 +@@ -1319,6 +1321,14 @@ static int imx258_start_streaming(struct + const struct imx258_link_freq_config *link_freq_cfg; + int ret, link_freq_index; + ++ ret = imx258_write_reg(imx258, IMX258_REG_RESET, IMX258_REG_VALUE_08BIT, ++ 0x01); ++ if (ret) { ++ dev_err(&client->dev, "%s failed to reset sensor\n", __func__); ++ return ret; ++ } ++ usleep_range(10000, 15000); ++ + /* Setup PLL */ + link_freq_index = imx258->cur_mode->link_freq_index; + link_freq_cfg = &imx258->link_freq_configs[link_freq_index]; |