diff options
Diffstat (limited to 'firmware/export/wm8975.h')
| -rw-r--r-- | firmware/export/wm8975.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/firmware/export/wm8975.h b/firmware/export/wm8975.h index cdae7af865..b8ef17910c 100644 --- a/firmware/export/wm8975.h +++ b/firmware/export/wm8975.h | |||
| @@ -29,8 +29,13 @@ AUDIOHW_SETTING(VOLUME, "dB", 0, 1, -74, 6, -25) | |||
| 29 | AUDIOHW_SETTING(BASS, "dB", 0, 1, -6, 9, 0) | 29 | AUDIOHW_SETTING(BASS, "dB", 0, 1, -6, 9, 0) |
| 30 | AUDIOHW_SETTING(TREBLE, "dB", 0, 1, -6, 9, 0) | 30 | AUDIOHW_SETTING(TREBLE, "dB", 0, 1, -6, 9, 0) |
| 31 | #ifdef HAVE_RECORDING | 31 | #ifdef HAVE_RECORDING |
| 32 | /* The input PGAs have a gain range from -17.25dB .. 30dB in steps of 0.75dB | ||
| 33 | * Values: 0, 1, ..., 63 | ||
| 34 | * => -17.25, -16.5dB, ..., 30.0dB */ | ||
| 32 | AUDIOHW_SETTING(LEFT_GAIN, "dB", 1, 1, 0, 63, 23, ((val - 23) * 15) / 2) | 35 | AUDIOHW_SETTING(LEFT_GAIN, "dB", 1, 1, 0, 63, 23, ((val - 23) * 15) / 2) |
| 33 | AUDIOHW_SETTING(RIGHT_GAIN, "dB", 1, 1, 0, 63, 23, ((val - 23) * 15) / 2) | 36 | AUDIOHW_SETTING(RIGHT_GAIN, "dB", 1, 1, 0, 63, 23, ((val - 23) * 15) / 2) |
| 37 | /* The microphone has an extra 20dB boost before the input PGA so 0 .. 63 | ||
| 38 | * corresponds to 2.75dB .. 50dB */ | ||
| 34 | AUDIOHW_SETTING(MIC_GAIN, "dB", 1, 1, 0, 63, 0, ((val - 23) * 15) / 2 + 200) | 39 | AUDIOHW_SETTING(MIC_GAIN, "dB", 1, 1, 0, 63, 0, ((val - 23) * 15) / 2 + 200) |
| 35 | #endif /* HAVE_RECORDING */ | 40 | #endif /* HAVE_RECORDING */ |
| 36 | 41 | ||