diff options
Diffstat (limited to 'drivers/media/i2c/imx219.c')
-rw-r--r-- | drivers/media/i2c/imx219.c | 51 |
1 files changed, 30 insertions, 21 deletions
diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c index 6e3382b85a90..1054ffedaefd 100644 --- a/drivers/media/i2c/imx219.c +++ b/drivers/media/i2c/imx219.c @@ -1035,29 +1035,47 @@ static int imx219_start_streaming(struct imx219 *imx219) const struct imx219_reg_list *reg_list; int ret; + ret = pm_runtime_get_sync(&client->dev); + if (ret < 0) { + pm_runtime_put_noidle(&client->dev); + return ret; + } + /* Apply default values of current mode */ reg_list = &imx219->mode->reg_list; ret = imx219_write_regs(imx219, reg_list->regs, reg_list->num_of_regs); if (ret) { dev_err(&client->dev, "%s failed to set mode\n", __func__); - return ret; + goto err_rpm_put; } ret = imx219_set_framefmt(imx219); if (ret) { dev_err(&client->dev, "%s failed to set frame format: %d\n", __func__, ret); - return ret; + goto err_rpm_put; } /* Apply customized values from user */ ret = __v4l2_ctrl_handler_setup(imx219->sd.ctrl_handler); if (ret) - return ret; + goto err_rpm_put; /* set stream on register */ - return imx219_write_reg(imx219, IMX219_REG_MODE_SELECT, - IMX219_REG_VALUE_08BIT, IMX219_MODE_STREAMING); + ret = imx219_write_reg(imx219, IMX219_REG_MODE_SELECT, + IMX219_REG_VALUE_08BIT, IMX219_MODE_STREAMING); + if (ret) + goto err_rpm_put; + + /* vflip and hflip cannot change during streaming */ + __v4l2_ctrl_grab(imx219->vflip, true); + __v4l2_ctrl_grab(imx219->hflip, true); + + return 0; + +err_rpm_put: + pm_runtime_put(&client->dev); + return ret; } static void imx219_stop_streaming(struct imx219 *imx219) @@ -1070,12 +1088,16 @@ static void imx219_stop_streaming(struct imx219 *imx219) IMX219_REG_VALUE_08BIT, IMX219_MODE_STANDBY); if (ret) dev_err(&client->dev, "%s failed to set stream\n", __func__); + + __v4l2_ctrl_grab(imx219->vflip, false); + __v4l2_ctrl_grab(imx219->hflip, false); + + pm_runtime_put(&client->dev); } static int imx219_set_stream(struct v4l2_subdev *sd, int enable) { struct imx219 *imx219 = to_imx219(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); int ret = 0; mutex_lock(&imx219->mutex); @@ -1085,36 +1107,23 @@ static int imx219_set_stream(struct v4l2_subdev *sd, int enable) } if (enable) { - ret = pm_runtime_get_sync(&client->dev); - if (ret < 0) { - pm_runtime_put_noidle(&client->dev); - goto err_unlock; - } - /* * Apply default & customized values * and then start streaming. */ ret = imx219_start_streaming(imx219); if (ret) - goto err_rpm_put; + goto err_unlock; } else { imx219_stop_streaming(imx219); - pm_runtime_put(&client->dev); } imx219->streaming = enable; - /* vflip and hflip cannot change during streaming */ - __v4l2_ctrl_grab(imx219->vflip, enable); - __v4l2_ctrl_grab(imx219->hflip, enable); - mutex_unlock(&imx219->mutex); return ret; -err_rpm_put: - pm_runtime_put(&client->dev); err_unlock: mutex_unlock(&imx219->mutex); @@ -1528,7 +1537,7 @@ static int imx219_probe(struct i2c_client *client) goto error_handler_free; } - ret = v4l2_async_register_subdev_sensor_common(&imx219->sd); + ret = v4l2_async_register_subdev_sensor(&imx219->sd); if (ret < 0) { dev_err(dev, "failed to register sensor sub-device: %d\n", ret); goto error_media_entity; |