Re: [PATCH v2 3/3] media: Documentation: LP-11 and LP-111 are states, not modes

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Hi Laurent,

On Tue, Oct 17, 2023 at 02:36:09PM +0300, Laurent Pinchart wrote:
> Hi Sakari,
> 
> Thank you for the patch.
> 
> On Tue, Oct 17, 2023 at 01:56:30PM +0300, Sakari Ailus wrote:
> > LP-11 and LP-111 are CSI-2 bus states, not modes. Fix this.
> > 
> > Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> > ---
> >  Documentation/driver-api/media/tx-rx.rst | 16 ++++++++--------
> >  1 file changed, 8 insertions(+), 8 deletions(-)
> > 
> > diff --git a/Documentation/driver-api/media/tx-rx.rst b/Documentation/driver-api/media/tx-rx.rst
> > index 7e115e3c4735..bc1b94cffdd9 100644
> > --- a/Documentation/driver-api/media/tx-rx.rst
> > +++ b/Documentation/driver-api/media/tx-rx.rst
> > @@ -89,13 +89,13 @@ where
> >  	pixel rate on the camera sensor's pixel array which is indicated by the
> >  	:ref:`V4L2_CID_PIXEL_RATE <v4l2-cid-pixel-rate>` control.
> >  
> > -LP-11 and LP-111 modes
> > -^^^^^^^^^^^^^^^^^^^^^^
> > +LP-11 and LP-111 states
> > +^^^^^^^^^^^^^^^^^^^^^^^
> 
> Indeed.
> 
> >  
> > -As part of transitioning to high speed mode, a CSI-2 transmitter typically
> > +As part of transitioning to high speed state, a CSI-2 transmitter typically
> 
> "high speed" is a mode according to the D-PHY specification.

Yes, indeed. I'll address these in v3.

> 
> >  briefly sets the bus to LP-11 or LP-111 state, depending on the PHY. This period
> >  may be as short as 100 µs, during which the receiver observes this state and
> > -proceeds its own part of high speed mode transition.
> > +proceeds its own part of high speed state transition.
> 
> Same here.
> 
> >  
> >  Most receivers are capable of autonomously handling this once the software has
> >  configured them to do so, but there are receivers which require software
> > @@ -104,7 +104,7 @@ in software, especially when there is no interrupt telling something is
> >  happening.
> >  
> >  One way to address this is to configure the transmitter side explicitly to LP-11
> > -or LP-111 mode, which requires support from the transmitter hardware. This is
> > +or LP-111 state, which requires support from the transmitter hardware. This is
> 
> Ack.
> 
> With the two changes referring to high speed state dropped,
> 
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

Thanks!

-- 
Regards,

Sakari Ailus



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