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| author | Amaury Pouly <amaury.pouly@gmail.com> | 2016-08-21 20:27:17 +0100 |
|---|---|---|
| committer | Amaury Pouly <amaury.pouly@gmail.com> | 2016-12-12 13:11:25 +0100 |
| commit | cc031d41ab89daa06789fb28c0c1992a7928847a (patch) | |
| tree | 2201bed9c189a11437fd3683a75c402c09696330 /firmware/export | |
| parent | b55adf1ca2a1f010b6ae25341919b1e78f506834 (diff) | |
| download | rockbox-cc031d41ab89daa06789fb28c0c1992a7928847a.tar.gz rockbox-cc031d41ab89daa06789fb28c0c1992a7928847a.zip | |
wm8731: document audiohw settings
Change-Id: I78ec26a00a3e14a95c591ac81d96e1b480b9138e
Diffstat (limited to 'firmware/export')
| -rw-r--r-- | firmware/export/wm8731.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/firmware/export/wm8731.h b/firmware/export/wm8731.h index 10925880c3..a725a87484 100644 --- a/firmware/export/wm8731.h +++ b/firmware/export/wm8731.h @@ -28,10 +28,10 @@ AUDIOHW_SETTING(VOLUME, "dB", 0, 1, -74, 6, -25) #if defined(HAVE_WM8731) && defined(HAVE_RECORDING) -/* (x - 23)/1.5 *10 */ +/* Line in: 0 .. 31 => Volume -34.5 .. +12 dB */ AUDIOHW_SETTING(LEFT_GAIN, "dB", 1, 1, 0, 31, 23, (val - 23) * 15) AUDIOHW_SETTING(RIGHT_GAIN, "dB", 1, 1, 0, 31, 23, (val - 23) * 15) -/* 0 or 20 dB */ +/* Microphone: 0 or 20 dB */ AUDIOHW_SETTING(MIC_GAIN, "dB", 1, 1, 0, 1, 0, val * 200) #endif /* defined(HAVE_WM8731) && defined(HAVE_RECORDING) */ |