[PATCH] drm/udl: Ensure channel is selected before using the device.

2016-08-15 Thread Daniel Vetter
On Sun, Aug 14, 2016 at 07:19:35PM +0100, Jamie Lentin wrote: > Lift configuration command from udlfb. If this command is not sent, > then the device never outputs a signal, it's status LED is continually > flashing and occasional "udlfb: wait for urb interrupted" messages are > produced. > > Test

[PATCH] drm/udl: Ensure channel is selected before using the device.

2016-08-14 Thread Jamie Lentin
Lift configuration command from udlfb. If this command is not sent, then the device never outputs a signal, it's status LED is continually flashing and occasional "udlfb: wait for urb interrupted" messages are produced. Tested with a Rextron VCUD-60 attached to a Thinkpad X201s on Linux 4.7.0 Sig