On 5/23/2011 12:49 AM, Lu Guanqun wrote:
Fix issue when microphone is inserted multiple times then its volume becomes
very low.
Accoring to the investigation in Wistron, it's due to the unstablized signals
before they can be used safely.
Therefore, time delay is added to ensure the signal VAUDIO, AUVR and PLL is
stablized correctly.
Accoring to the spec, AUVR needs at least 2ms to stablize, while PLL1/PLL2
needs at least 5ms to stablize. Besides, 250us is added after setting
VAUDIO1/VAUDIO2. The delay is added at three places: a) initialization time.
b) the time to playback. c) the time to capture.
what's the bug number for this ?
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