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WM8731: Add method to detect codec is present.

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Used to determine PortaPack hardware version.
This commit is contained in:
Jared Boone 2017-05-31 11:34:16 -07:00
parent 8f5555b052
commit 37c058354e
2 changed files with 6 additions and 0 deletions
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4
firmware/common/wm8731.cpp
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@ -87,6 +87,10 @@ void WM8731::init() {
headphone_mute();
}
bool WM8731::detected() {
return reset();
}
bool WM8731::reset() {
return write(0x0f, 0);
}