Fedora 14 : Microphone Mute Button not working

[santosh]

Hi,

   Lenovo W510 laptop with dual boot (Window 7 and Fedora 14).

Microphone Mute Button is not working in Fedora 14 (Working Properly
in Window 7)

Speaker Mute and Volume control works fine. Issue is with Microphone
Mute Button in Fedora 14.

When I press the Microphone Mute button,  orange light is not becoming
On.  ( I observed the orange light in Window 7).