tytung ca26744fe2 htcleo: audio: add proc file interface /proc/mic_level and fix mic gain (Credits to mdebeljuh and jdivic)
Apply the diff file from http://forum.xda-developers.com/showpost.php?p=17031938&postcount=97
Disable debug output and fix typo by tytung.

Usage: echo 'device_id level' > /proc/mic_level
Level range: 0-1000; -1 use level from acdb
Current levels (device_id):
HANDSET (0): -1
SPKR_PHONE (1): -1
HEADSET (2): -1
TTY_HEADSET (3): -1
BT_SCO (4): -1
2011-08-29 22:07:47 +08:00
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