On 07/04/2013 09:00 PM, Patrick Shirkey wrote:
jeremy@rk3066:~$ cat /proc/asound/cards
> 0 [RK29RK1000 ]: RK29_RK1000 - RK29_RK1000
> RK29_RK1000
> 1 [HDMI ]: ROCKCHIP_HDMI - ROCKCHIP HDMI
> ROCKCHIP HDMI
> 2 [Device ]: USB-Audio - Generic USB Audio Device
> Generic USB Audio Device at usb-usb20_host-1.1,
> full speed
>
> 'Device' is a $2 USB audio interface with a C-Media chipset.
Have you
been using this for testing at low latency?
Yes. It's actually the same as the device used here:
http://wiki.linuxaudio.org/wiki/jack_latency_tests
> But I got
> one step further:
>
> jeremy@rk3066:~$ uname -a
> Linux rk3066 3.0.36-rt58 #1 SMP PREEMPT RT Thu Jul 4 13:18:23 CEST
> 2013 armv7l GNU/Linux
>
> So I've got a RT kernel running on it. Moving on :)
>
Nicely done!
What was the blocker in the end?
drivers/mmc/host/rk29_sdmmc.c
I've attached a patch. It's probably a quick and dirty hack but it seems
to work ok, ran it for a couple of hours today without any issues.
Jeremy