diff options
Diffstat (limited to 'firmware/export/erosqlinux_codec.h')
| -rw-r--r-- | firmware/export/erosqlinux_codec.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/firmware/export/erosqlinux_codec.h b/firmware/export/erosqlinux_codec.h index 2ed1ae11cf..ecc10be924 100644 --- a/firmware/export/erosqlinux_codec.h +++ b/firmware/export/erosqlinux_codec.h @@ -3,9 +3,16 @@ #define AUDIOHW_CAPS (LINEOUT_CAP) +/* a small DC offset prevents play/pause clicking due to the DAC auto-muting */ #define PCM_DC_OFFSET_VALUE -1 -AUDIOHW_SETTING(VOLUME, "dB", 0, 2, -74, 0, -40) +/* + * Note: Maximum volume is set one step below unity in order to + * avoid overflowing pcm samples due to our DC Offset. + * + * The DAC's output is hot enough this should not be an issue. + */ +AUDIOHW_SETTING(VOLUME, "dB", 0, 2, -74, -2, -40) //#define AUDIOHW_NEEDS_INITIAL_UNMUTE |