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

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The tuner ops g_frequency, g_tuner and s_tuner require that the tuner type
field is filled in. Document this.

The tuner-core doc is based on a patch from Mauro Carvalho Chehab <mchehab@redhat.com>.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
2011-06-13 09:35:56 -03:00
committed by Mauro Carvalho Chehab
parent e206fc5e3d
commit 338e9e1ad5
2 changed files with 36 additions and 0 deletions
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7
include/media/v4l2-subdev.h
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@@ -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