diff options
Diffstat (limited to 'drivers/media/i2c/ov7740.c')
| -rw-r--r-- | drivers/media/i2c/ov7740.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/media/i2c/ov7740.c b/drivers/media/i2c/ov7740.c index 01f578785e79..605f3e25ad82 100644 --- a/drivers/media/i2c/ov7740.c +++ b/drivers/media/i2c/ov7740.c @@ -953,7 +953,7 @@ static int ov7740_init_controls(struct ov7740 *ov7740) struct v4l2_ctrl_handler *ctrl_hdlr = &ov7740->ctrl_handler; int ret; - ret = v4l2_ctrl_handler_init(ctrl_hdlr, 2); + ret = v4l2_ctrl_handler_init(ctrl_hdlr, 12); if (ret < 0) return ret; @@ -980,27 +980,39 @@ static int ov7740_init_controls(struct ov7740 *ov7740) V4L2_CID_HFLIP, 0, 1, 1, 0); ov7740->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &ov7740_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0); + ov7740->gain = v4l2_ctrl_new_std(ctrl_hdlr, &ov7740_ctrl_ops, V4L2_CID_GAIN, 0, 1023, 1, 500); + if (ov7740->gain) + ov7740->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; + ov7740->auto_gain = v4l2_ctrl_new_std(ctrl_hdlr, &ov7740_ctrl_ops, V4L2_CID_AUTOGAIN, 0, 1, 1, 1); + ov7740->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov7740_ctrl_ops, V4L2_CID_EXPOSURE, 0, 65535, 1, 500); + if (ov7740->exposure) + ov7740->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; + ov7740->auto_exposure = v4l2_ctrl_new_std_menu(ctrl_hdlr, &ov7740_ctrl_ops, V4L2_CID_EXPOSURE_AUTO, V4L2_EXPOSURE_MANUAL, 0, V4L2_EXPOSURE_AUTO); - ov7740->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; - ov7740->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; - v4l2_ctrl_auto_cluster(3, &ov7740->auto_wb, 0, false); v4l2_ctrl_auto_cluster(2, &ov7740->auto_gain, 0, true); v4l2_ctrl_auto_cluster(2, &ov7740->auto_exposure, V4L2_EXPOSURE_MANUAL, false); v4l2_ctrl_cluster(2, &ov7740->hflip); + if (ctrl_hdlr->error) { + ret = ctrl_hdlr->error; + dev_err(&client->dev, "controls initialisation failed (%d)\n", + ret); + goto error; + } + ret = v4l2_ctrl_handler_setup(ctrl_hdlr); if (ret) { dev_err(&client->dev, "%s control init failed (%d)\n", @@ -1074,7 +1086,7 @@ static int ov7740_probe(struct i2c_client *client, #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API sd->internal_ops = &ov7740_subdev_internal_ops; - sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; #endif #if defined(CONFIG_MEDIA_CONTROLLER) |