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Re: [PATCH v2 4/6] ARM: tegra: nvec: add keyboard support


On 04/26/2014 07:14 PM, Andrey Danin wrote:
> Signed-off-by: Andrey Danin <danindrey@xxxxxxx>
> CC: Stephen Warren <swarren@xxxxxxxxxx>
> CC: Marc Dietrich <marvin24@xxxxxx>
> CC: Julian Andres Klode <jak@xxxxxxxxxxxxx>
> CC: ac100@xxxxxxxxxxxxxxxxxxx
> ---
>  Changes for v2:
> 	- fixed incorrect keys handling in nvec-keyboard driver

No patch description?

Something isn't quite right with the device registration here. If U-Boot
starts with stdin=serial, and then I "setenv stdin
serial,tegra-nvec-kbc", then I can't use the keyboard. However, if I
save the environment and reset, then nvec input works. Similarly, it
gets confused if I remove and re-add tegra-nvec-kbc to $stdin.

I've also observed quite a stuck keys, hangs, and failed requests:
ERROR: nvec failed to perform request
at .../drivers/i2c/tegra_nvec.c:166/nvec_do_request()

But when it works, it's nice:-)