media: docs-rst: Clarify duration of LP-11 mode
Subsystems (2)
PATCH 1/1 media: docs-rst: Clarify duration of LP-11 mode
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.
--- Documentation/media/kapi/csi2.rst | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)
Documentation/media/kapi/csi2.rst +7 -3
@@ -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 +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 ^^^^^^^^^^^^^^^^^^^^^^^^
Signature · 1 line
2.17.1
Hi Steve,
Quoted 15 lines · Steve Longerbeam
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 <[email protected]>--- Documentation/media/kapi/csi2.rst | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)Documentation/media/kapi/csi2.rst +0
-0
Documentation/media/kapi/csi2.rst where · line 52
Quoted 7 lines
Documentation/media/kapi/csi2.rst +1
-3@@ -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
Quoted 10 lines
Documentation/media/kapi/csi2.rst +6
-0+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 ^^^^^^^^^^^^^^^^^^^^^^^^
Hi Ian,
Quoted 13 lines · Ian Arkver
Hi Steve,
Quoted 10 lines · Steve Longerbeam
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 <[email protected]>---
Documentation/media/kapi/csi2.rst| 10 +++++++---1 file changed, 7 insertions(+), 3 deletions(-)
Quoted 13 lines
Documentation/media/kapi/csi2.rst where · line 52
Quoted 11 lines
Documentation/media/kapi/csi2.rst +0
-0@@ -49,9 +49,13 @@ whereThe transmitter drivers must, if possible, configure the CSI-2 transmitter to *LP-11 mode* whenever the transmitter is powered on but
Documentation/media/kapi/csi2.rst +1
-3-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 untils/until/at/ perhaps?
Sure, that's a bit better language.
Steve
Quoted 12 lines
Regards,
IanQuoted 9 lines
Documentation/media/kapi/csi2.rst +6
-0+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
^^^^^^^^^^^^^^^^^^^^^^^^