diff options
| author | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2024-05-01 09:24:31 -0600 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-06-04 08:31:23 +0200 |
| commit | 185025977c3e7ba37d26af24c3648f3b52f62580 (patch) | |
| tree | 33dc9715c8474b08af4f8681eac292ce64d8c094 /drivers | |
| parent | c546429a60c8802723f36171e13cb53ca14ebae0 (diff) | |
| download | linux-185025977c3e7ba37d26af24c3648f3b52f62580.tar.gz linux-185025977c3e7ba37d26af24c3648f3b52f62580.tar.bz2 linux-185025977c3e7ba37d26af24c3648f3b52f62580.zip | |
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>
Signed-off-by: Luis Garcia <git@luigi311.com>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/i2c/imx258.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index c1a2c2406aaa..9c83ba1232fa 100644 --- 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 @@ -1052,6 +1054,16 @@ static int imx258_start_streaming(struct imx258 *imx258) 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; + } + + /* 12ms is required from poweron to standby */ + fsleep(12000); + /* Setup PLL */ link_freq_index = imx258->cur_mode->link_freq_index; link_freq_cfg = &imx258->link_freq_configs[link_freq_index]; |