[ubuntu] Toshiba Satellite C660 laptop headphone not working with Ubuntu 10.04

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http://ubuntuforums.org – I have Toshiba satellite c660 laptop. Its speakers work properly, but headphone not working with ubuntu 10.04. At the same time headphone properly work with windows 7. But it is not useful for me, because iam an opensource programmer. Its alsamixer report located at http://www.alsa-project.org/db/?f=5e...5341d027351bf9 If anybody can found the solution for this problem., please inform me..please help me.. (Hardware)