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Subject: Re: [PATCH v5 00/39] i.MX Media Driver
To: Russell King - ARM Linux <linux@armlinux.org.uk>
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From: Steve Longerbeam <slongerbeam@gmail.com>
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Date: Fri, 10 Mar 2017 15:20:34 -0800
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On 03/10/2017 12:13 PM, Russell King - ARM Linux wrote:
> Version 5 gives me no v4l2 controls exposed through the video device
> interface.
>
> Just like with version 4, version 5 is completely useless with IMX219:
>
> imx6-mipi-csi2: LP-11 timeout, phy_state = 0x00000200
> ipu1_csi0: pipeline start failed with -110
> imx6-mipi-csi2: LP-11 timeout, phy_state = 0x00000200
> ipu1_csi0: pipeline start failed with -110
> imx6-mipi-csi2: LP-11 timeout, phy_state = 0x00000200
> ipu1_csi0: pipeline start failed with -110
>
> So, like v4, I can't do any further testing.
>

Is the imx219 placing the csi-2 bus in LP-11 state on exit
from s_power(ON)?

I realize that probably means bringing the chip up to a
completely operational state and then setting it to stream
OFF in the s_power() op.

The same had to be done for the OV5640.

Steve