Re: [PATCH v4 00/36] i.MX Media Driver

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On Thu, 2017-02-16 at 14:27 -0800, Steve Longerbeam wrote:
> 
> On 02/16/2017 02:20 PM, Russell King - ARM Linux wrote:
> > On Wed, Feb 15, 2017 at 06:19:02PM -0800, Steve Longerbeam wrote:
> >> In version 4:
> >
> > With this version, I get:
> >
> > [28762.892053] imx6-mipi-csi2: LP-11 timeout, phy_state = 0x00000000
> > [28762.899409] ipu1_csi0: pipeline_set_stream failed with -110
> >
> 
> Right, in the imx219, on exit from s_power(), the clock and data lanes
> must be placed in the LP-11 state. This has been done in the ov5640 and
> tc358743 subdevs.
> 
> If we want to bring in the patch that adds a .prepare_stream() op,
> the csi-2 bus would need to be placed in LP-11 in that op instead.
> 
> Philipp, should I go ahead and add your .prepare_stream() patch?

I think with Russell's explanation of how the imx219 sensor operates,
we'll have to do something before calling the sensor s_stream, but right
now I'm still unsure what exactly.

regards
Philipp

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