Re: [Powertop] Fwd: [BUG] powertop does not correctly checks for audio codec power management
Sergey Senozhatsky <sergey.senozhatsky at gmail.com>
| Newsgroups | dev.linux.lists.powertop |
|---|---|
| Message-ID | <20131210202925.GF2422@swordfish> |
On (11/27/13 11:41), Otávio Cipriani wrote: > Hi. > > I noticed that powertop 2.4 does not correctly checks if the audio > codec power management is already enabled. > > The module responsible for audio in my sistem is "snd_hda_intel", and > powertop requires that > "/sys/module/snd_hda_intel/parameters/power_save" is set to 1 to > consider that power save is enabled. > > Since that parameter is the power save timeout in seconds (0 disables > power save), it should check if it is greater than 0. > > In my setup, "power_save" is set to 10 seconds and > "power_save_controller" is set to "Y", but powertop still thinks that > power save is not enabled for my audio codec. Hello, good catch, thank you. need to think how to handle this. -ss > Thank you. > _______________________________________________ > PowerTop mailing list > PowerTop(a)lists.01.org > https://lists.01.org/mailman/listinfo/powertop >