[media] tuner-core/v4l2-subdev: document that the type field has to be filled in

[deliverable/linux.git] / include / media / v4l2-subdev.h

diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 224502067c431fba34b606ca21883610d637c496..2884e3e69cb15b31442624444111a3585ebc8e9c 100644 (file)
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -175,6 +175,13 @@ struct v4l2_subdev_core_ops {
 
 /* s_radio: v4l device was opened in radio mode.
 
+   g_frequency: freq->type must be filled in. Normally done by video_ioctl2
+       or the bridge driver.
+
+   g_tuner:
+   s_tuner: vt->type must be filled in. Normally done by video_ioctl2 or the
+       bridge driver.
+
    s_type_addr: sets tuner type and its I2C addr.
 
    s_config: sets tda9887 specific stuff, like port1, port2 and qss