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WM8750/51: properly apply recording gain

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29594 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Marcin Bukat 2011-03-15 22:35:12 +00:00
parent 2e4259e497
commit dce799641d
1 changed files with 13 additions and 33 deletions
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44
firmware/drivers/audio/wm8751.c
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@ -39,10 +39,10 @@ const struct sound_settings_info audiohw_settings[] = {
[SOUND_CHANNELS] = {"", 0, 1, 0, 5, 0},
[SOUND_STEREO_WIDTH] = {"%", 0, 5, 0, 250, 100},
#ifdef HAVE_RECORDING
/* -97.0dB to 30.0dB in 0.5dB increments */
[SOUND_LEFT_GAIN] = {"dB", 1, 1,-194, 60, 0},
[SOUND_RIGHT_GAIN] = {"dB", 1, 1,-194, 60, 0},
[SOUND_MIC_GAIN] = {"dB", 1, 1,-194, 60, 60},
/* -17.25dB to 30.0dB in 0.75dB increments 64 steps*/
[SOUND_LEFT_GAIN] = {"dB", 2, 75, -1725, 3000, 0},
[SOUND_RIGHT_GAIN] = {"dB", 2, 75, -1725, 3000, 0},
[SOUND_MIC_GAIN] = {"dB", 2, 75, -1725, 3000, 3000},
#endif
#ifdef AUDIOHW_HAVE_BASS_CUTOFF
[SOUND_BASS_CUTOFF] = {"Hz", 0, 70, 130, 200, 200},
@ -180,12 +180,11 @@ void audiohw_set_treble_cutoff(int val)
}
#endif
#if defined(HAVE_WM8750) && defined(HAVE_RECORDING)
#ifdef HAVE_RECORDING
static int recvol2hw(int value)
{
/* -970...300 to input register value */
return ((2*value)/10 + 0xc3);
/* -1725 to 3000 => 0 ... 23 ... 63 */
return ((4 * value) / 300) + 23;
}
#endif
@ -195,13 +194,6 @@ int sound_val2phys(int setting, int value)
switch (setting)
{
#ifdef HAVE_RECORDING
case SOUND_LEFT_GAIN:
case SOUND_RIGHT_GAIN:
case SOUND_MIC_GAIN:
result = value * 5;
break;
#endif
#ifdef AUDIOHW_HAVE_DEPTH_3D
case SOUND_DEPTH_3D:
result = (100 * value + 8) / 15;
@ -542,10 +534,6 @@ void audiohw_set_recsrc(int source, bool recording)
wmcodec_set_bits(PWRMGMT1, PWRMGMT1_AINL | PWRMGMT1_AINR |
PWRMGMT1_ADCL | PWRMGMT1_ADCR);
/* Set input volume to PGA 0dB*/
wmcodec_set_reg(LINVOL, LINVOL_LIVU | LINVOL_LINVOL(0x17));
wmcodec_set_reg(RINVOL, RINVOL_RIVU | RINVOL_RINVOL(0x17));
/* Setup input source for PGA as INPUT1 */
wmcodec_set_masked(ADCL, ADCL_LINSEL_LINPUT1, ADCL_LINSEL_MASK);
wmcodec_set_masked(ADCR, ADCR_RINSEL_RINPUT1, ADCR_RINSEL_MASK);
@ -608,10 +596,6 @@ void audiohw_set_recsrc(int source, bool recording)
wmcodec_set_bits(PWRMGMT1, PWRMGMT1_AINL | PWRMGMT1_AINR |
PWRMGMT1_ADCL | PWRMGMT1_ADCR);
/* Set input volume to PGA 0dB*/
wmcodec_set_reg(LINVOL, LINVOL_LIVU | LINVOL_LINVOL(0x17));
wmcodec_set_reg(RINVOL, RINVOL_RIVU | RINVOL_RINVOL(0x17));
/* Setup input source for PGA as INPUT2
* MICBOOST disabled
*/
@ -649,10 +633,6 @@ void audiohw_set_recsrc(int source, bool recording)
wmcodec_set_bits(PWRMGMT1, PWRMGMT1_AINL | PWRMGMT1_AINR |
PWRMGMT1_ADCL | PWRMGMT1_ADCR);
/* Set input volume to PGA 0dB*/
wmcodec_set_reg(LINVOL, LINVOL_LIVU | LINVOL_LINVOL(0x17));
wmcodec_set_reg(RINVOL, RINVOL_RIVU | RINVOL_RINVOL(0x17));
/* Setup input source for PGA as INPUT3
* MICBOOST disabled
*/
@ -685,14 +665,14 @@ void audiohw_set_recsrc(int source, bool recording)
/* Setup PGA gain */
void audiohw_set_recvol(int vol_l, int vol_r, int type)
{
wmcodec_set_reg(LADCVOL, LADCVOL_LADCVOL(recvol2hw(vol_l)));
wmcodec_set_reg(LINVOL, LINVOL_LIZC | LINVOL_LINVOL(recvol2hw(vol_l)));
if (type == AUDIO_GAIN_MIC)
wmcodec_set_reg(RADCVOL, RADCVOL_RAVU |
RADCVOL_RADCVOL(recvol2hw(vol_l)));
wmcodec_set_reg(RINVOL, RINVOL_RIVU | RINVOL_RIZC |
RINVOL_RINVOL(recvol2hw(vol_l)));
else
wmcodec_set_reg(RADCVOL, RADCVOL_RAVU |
RADCVOL_RADCVOL(recvol2hw(vol_r)));
wmcodec_set_reg(RINVOL, RINVOL_RIVU | RINVOL_RIZC |
RINVOL_RINVOL(recvol2hw(vol_r)));
}
#endif /* HAVE_RECORDING */
#endif /* HAVE_WM8750 */