frequency requests in upower

[Marti Raudsepp]

On Thu, Apr 8, 2010 at 9:24 PM, Mike Turquette <mturquette at gmail.com> wrote:
> [...]  Since DSP speed is tied to ARM speed
> through the operating points I was hoping to use upower to place a
> minimum frequency requirement.  cpufreq governors like ondemand will
> not do this since it knows nothing of the DSP's needs.

> There are lots of ways to solve this:
> - use a nice piece of plumbing to place a frequency constraint on the CPU

As far as I can tell this already exists. You can use the ondemand
governor and simply specify the minimum ARM frequency in
/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq

Not sure why UPower should be involved?

Regards,
Marti Raudsepp