diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/i2c/imx219.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c index f1effb5a5f66..16010ca1781a 100644 --- a/drivers/media/i2c/imx219.c +++ b/drivers/media/i2c/imx219.c @@ -1224,6 +1224,23 @@ static int imx219_probe(struct i2c_client *client) /* Set default mode to max resolution */ imx219->mode = &supported_modes[0]; + /* sensor doesn't enter LP-11 state upon power up until and unless + * streaming is started, so upon power up switch the modes to: + * streaming -> standby + */ + ret = imx219_write_reg(imx219, IMX219_REG_MODE_SELECT, + IMX219_REG_VALUE_08BIT, IMX219_MODE_STREAMING); + if (ret < 0) + goto error_power_off; + usleep_range(100, 110); + + /* put sensor back to standby mode */ + ret = imx219_write_reg(imx219, IMX219_REG_MODE_SELECT, + IMX219_REG_VALUE_08BIT, IMX219_MODE_STANDBY); + if (ret < 0) + goto error_power_off; + usleep_range(100, 110); + ret = imx219_init_controls(imx219); if (ret) goto error_power_off; |