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

df1704: Add filter roll-off selection.

Browse source 
Change-Id: I732ebd3446858b497105cf03fc81e934a749a57b
This commit is contained in:
Andrew Ryabinin 2013-05-12 23:31:32 +04:00
parent 0519f7e5ab
commit 00b8563654
2 changed files with 16 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
firmware/drivers/audio/df1704.c
View file

@ -113,3 +113,17 @@ void audiohw_set_volume(int vol_l, int vol_r)
df1704_write_reg(DF1704_MODE(0), DF1704_LDL_ON|vol_tenthdb2hw(vol_l));
df1704_write_reg(DF1704_MODE(1), DF1704_LDR_ON|vol_tenthdb2hw(vol_r));
}
void audiohw_set_filter_roll_off(int value)
{
int mode3_val = DF1704_CKO_HALF |
DF1704_LRP_H |
DF1704_I2S_ON;
if (value == 0) {
mode3_val |= DF1704_SRO_SHARP;
} else {
mode3_val |= DF1704_SRO_SLOW;
}
df1704_write_reg(DF1704_MODE(3), mode3_val);
}

2
firmware/export/df1704.h
View file

@ -26,7 +26,9 @@
#define DF1704_VOLUME_MIN -1270
#define DF1704_VOLUME_MAX 0
#define AUDIOHW_CAPS (FILTER_ROLL_OFF_CAP)
AUDIOHW_SETTING(VOLUME, "dB", 0, 1, DF1704_VOLUME_MIN/10, DF1704_VOLUME_MAX/10, 0)
AUDIOHW_SETTING(FILTER_ROLL_OFF, "", 0, 1, 0, 1, 0)
#define DF1704_MODE(x) (((x)&0x03)<<9)