100% audio codec usage

I've noticed that powertop2 shows two entries for "audio codec". One seems to be my actual audio out and one is just 100% active. I've got laptop-mode instaled with all possible powr savings turned on. The laptop is lenovo thinkpad t410.
That's what powertop2 shows:
100,0% Audio codec hwC0D0: Conexant (exaile )
100,0% Audio codec hwC0D1: Conexant
The first entry goes 0% when nothing plays any sound and even shows some application info.
The second entry is justalways 100%.
That's my `lspci | grep Audio`.
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06)
01:00.1 Audio device: nVidia Corporation High Definition Audio Controller (rev a1)
So, there is an extra audio controller that does not seem to do anyting. In xfce mixer it is just a couple of "IEC 958" checkboxes.
So:
- Should I be bothered with that 100% active codec? My laptop battery seems to be dying (my laptop lasts ~1.5 hours on battery now) and I'm trying to minimize power usage.
- What can I do tho those 100%?

Disabling the relevant kernel modules should help.
Check
lsmod | grep snd
and rmmod + blacklist.
But I'm not sure about this...
Last edited by lolilolicon (2011-10-22 16:23:04)

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Publisher: IDT
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Here is what I would recommend you trying. Go to device manager and uninstall the audio driver. Once it is uninstalled, go to the device manager toolbar and select "Scan for hardware changes". After it completes, reboot the computer. Once the computer is rebooted, test the audio and let me know if that helped.
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Could not download this driver: IDT High-Definition Audio CODEC Driver for Microsoft Windows 7.

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Hello again valens-mom,
Thank you for responding to my post requesting additional information. I can tell you that according to Product Specifications page for your HP Pavilion w2338h is a 23-inch wide-screen HDMI monitor, your monitor has 2 watts oer speaker integrated speakers. A pair of reasonably sensitive speakers deliver the following decibel levels at a distance of about one meter.
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How Do I Find My Model Number or Product Number?
Please if you require additional help in this re-post with the requested information and I would be happy to provide you with further assistance. Thank you for posting on the HP Forums. Have a great day!
Please click the "Thumbs Up" on the bottom right of this post to say thank you if you appreciate the support I provide!
Also be sure to mark my post as “Accept as Solution" if you feel my post solved your issue, it will help others who face the same challenge find the same solution.
Dunidar
I work on behalf of HP
Find out a bit more about me by checking out my profile!
"Customers don’t expect you to be perfect. They do expect you to fix things when they go wrong." ~ Donald Porter

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This question was solved.
View Solution.

Hi,
Try the following.
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Microsoft MVP - Windows Experience

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100% audio codec usage

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