The 2.6.30-rc6 kernel includes alsa 1.0.20 and it detects the digital mic volume control, so if you install this kernel from the weekly builds it should fix the low mic volume problem.
The 2.6.30-rc6 kernel includes alsa 1.0.20 and it detects the digital mic volume control, so if you install this kernel from the weekly builds it should fix the low mic volume problem.