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authorAntti Palosaari <crope@iki.fi>2014-02-07 02:46:16 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-03-13 10:26:49 -0300
commit9aa4357e9b10b92acb85e30834f8eb4aa7b94554 (patch)
treed32949437d778821d4e3a0b65f9d0335137bf8d0 /include/uapi/linux/v4l2-controls.h
parent[media] DocBook: media: document PLL lock control (diff)
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[media] v4l: add control for RF tuner PLL lock flag
Add volatile boolean control to indicate if tuner frequency synthesizer is locked to requested frequency. That means tuner is able to receive given frequency. Control is named as "PLL lock", since frequency synthesizers are based of phase-locked-loop. Maybe more general name could be wise still? Cc: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'include/uapi/linux/v4l2-controls.h')
-rw-r--r--include/uapi/linux/v4l2-controls.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index 405279f3c326..2ac5597f3ee1 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -912,5 +912,6 @@ enum v4l2_deemphasis {
#define V4L2_CID_RF_TUNER_MIXER_GAIN (V4L2_CID_RF_TUNER_CLASS_BASE + 52)
#define V4L2_CID_RF_TUNER_IF_GAIN_AUTO (V4L2_CID_RF_TUNER_CLASS_BASE + 61)
#define V4L2_CID_RF_TUNER_IF_GAIN (V4L2_CID_RF_TUNER_CLASS_BASE + 62)
+#define V4L2_CID_RF_TUNER_PLL_LOCK (V4L2_CID_RF_TUNER_CLASS_BASE + 91)
#endif