Hi Steve,
On 11/08/2019 18:36, Steve Longerbeam wrote:
Add a sentence that makes it more clear when the CSI-2 transmitter
must, if possible, exit LP-11 mode. That is, maintain LP-11 mode
until stream on, at which point the transmitter activates the clock
lane and transition to HS mode.
Signed-off-by: Steve Longerbeam <slongerbeam@xxxxxxxxx>
---
Documentation/media/kapi/csi2.rst | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/Documentation/media/kapi/csi2.rst b/Documentation/media/kapi/csi2.rst
index a7e75e2eba85..6cd1d4b0df17 100644
--- a/Documentation/media/kapi/csi2.rst
+++ b/Documentation/media/kapi/csi2.rst
@@ -49,9 +49,13 @@ where
The transmitter drivers must, if possible, configure the CSI-2
transmitter to *LP-11 mode* whenever the transmitter is powered on but
-not active. Some transmitters do this automatically but some have to
-be explicitly programmed to do so, and some are unable to do so
-altogether due to hardware constraints.
+not active, and maintain *LP-11 mode* until stream on. Only until
s/until/at/ perhaps?
Regards,
Ian
+stream on should the transmitter activate the clock on the clock lane
+and transition to *HS mode*.
+
+Some transmitters do this automatically but some have to be explicitly
+programmed to do so, and some are unable to do so altogether due to
+hardware constraints.
Stopping the transmitter
^^^^^^^^^^^^^^^^^^^^^^^^
