Difference between revisions of "HP 530"

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  options snd-hda-intel model=auto
  options snd-hda-intel model=auto
==Alternate Solution?==
====Alternate Solution?====
* I managed to get the headphones muting properly by adding this line to /etc/modprobe.d/modprobe.conf
* I managed to get the headphones muting properly by adding this line to /etc/modprobe.d/modprobe.conf
  options snd-hda-intel model=laptop
  options snd-hda-intel model=laptop

Revision as of 10:00, 10 September 2015

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Reason: Violates Help:Style from top to bottom (Discuss in Talk:HP 530#)

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Reason: Dates from rc.conf days (Discuss in Talk:HP 530#)


I only had three real issues during the install -- wireless, CPU frequency scaling and the (prevalent?) Linux + Laptop problem of the internal speaker not being muted when headphones are plugged in. I'll tackle them in order of severity.


See Wireless_network_configuration#iwlegacy.

CPU Frequency Scaling

See the main CPU frequency scaling article.

Sound and Headphones

The issue with the sound wasn't the sound itself (well, actually it was, the internal speaker sucks :^) ) but the (apparently?) widespread problem of said speakers not being muted when headphones are plugged in. My Googling brought me seemingly endless solutions to this problem which didn't work .. these were some of my favorites:

  • Consider it a feature!
  • Just cut the wires to the internal speaker.
  • Don't do anything that needs sound.

Well I really do not want to annoy everyone within earshot, void my warranty or sit in silence while hacking out programs at the last minute so the following are a largely hodge-podge conglomeration of "solutions" I found. I'm not sure if any one of these did it or the combination of them all, but, again, it works so I'm not going to touch it!

  • Grab alsa plugins (which I already I had IIRC)
pacman -S alsa-plugins

  • Grab jack-audio-connection-kit (kind of makes sense from the name I guess?)
pacman -S jack-audio-connection-kit
  • Then on some of the forums for other distros I saw a lot of suggestions to edit /etc/modprobe.d/modprobe.conf in some form or fashion. Here's what mine looks like now and everything seems to work so I've just left it.
options snd-hda-intel model=auto

Alternate Solution?

  • I managed to get the headphones muting properly by adding this line to /etc/modprobe.d/modprobe.conf
options snd-hda-intel model=laptop

To Do

There are still a few things I'd like to get working at some point so if anyone is reading this and has any suggestions I'd love to hear them. :-) Most are pretty low priority/eye candy type stuff.

  • I'd like to have something like MacBooks where they "gradually" dim when idle as opposed to "entirely on" and "entirely off". I think that would come in handy when I just have my notebook open as a reference or something where I could still read it but not need it sitting there sucking my battery dry at full illumination.
 xbacklight -set 30 -time 60000  <--dim over a minute
  • Anything to extend battery life. I haven't really looked into it but I'd like to find a way to scale the core voltage as well as frequency. I've seen Intel utilities that can do that on Windows desktops but nothing so far for Linux
  • A way to kill the wireless card in software. This notebook comes with a button right by the power button to kill the wireless. It's not a big deal to hit the button I guess but it would be pretty neat if there was a way to simulate hitting the button in case I forget or I lose wireless connection for extended periods. I'm not even sure if this is possible or how it could be done, though.