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This is teh default case.
This is also a quite common case, since we ship the headset with the phone
Headset Detection is done via GPIO on S3C2410
Headset detection via software
This is an important mode since it is also required for ringtone playback
FIXME
This is mainly used to record notes
This is a nice wishlist item. The user should be able to receive the full-duplex audio from the wolfson codec, and record it using the S3C2410 IIS.
FIXME
FIXME
If the user is listening to music on the headset, do we want to mix the ringtones only into the headset audio, or actually interrupt and play it on the speaker?