Nyaaori/rockbox
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

tlv320: document audiohw setting based on tlv320.c

Browse source 
Change-Id: I7cf354cb948444595ca541a4bf70dfbcf01147f2
This commit is contained in:
Amaury Pouly 2016-08-21 20:33:18 +01:00
parent 4d526df7ac
commit 4304d47d3b
1 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
firmware/export/tlv320.h
View file

@ -26,7 +26,8 @@
AUDIOHW_SETTING(VOLUME, "dB", 0, 1, -74, 6, -20)
#ifdef HAVE_RECORDING
/* (x - 23)/1.5 *10 */
/* Line in : 0 .. 31 => Volume -34.5 .. +12 dB
* Mic (left): 0 .. 1 => Volume +0, +20 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 */