On Thu, Nov 12, 2009 at 10:51 AM, Amit Sharma <amit4.sha...@gmail.com> wrote:
> when tried cat on this files got permission denied after doing chmod 777
> on same we were able to read but we got something like Input Output
> error.

Right, don't chmod stuff in /sysfs.

> after rebooting tested for the issue, same problem.

If you reboot, you lose whatever you've echoed to sysfs.

Please repeat, but attach the output from dmesg|tail after you've
echoed 1 to reconfig.

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When headphones are plugged in, the speaker does not get muted automatically.
https://bugs.launchpad.net/bugs/477154
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