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| author | Przemyslaw Bruski <pbruskispam@op.pl> | 2011-03-13 16:18:55 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-03-14 11:15:59 +0100 |
| commit | 19002fd5f1ba452ba13491f97da65367f80e09a8 (patch) | |
| tree | 39b2eedd2fff4908cac72d1556eee15164deb715 /sound | |
| parent | 7e79443ce250776b8477426127acdac15c567f22 (diff) | |
| download | linux-rpi-19002fd5f1ba452ba13491f97da65367f80e09a8.tar.gz linux-rpi-19002fd5f1ba452ba13491f97da65367f80e09a8.tar.bz2 linux-rpi-19002fd5f1ba452ba13491f97da65367f80e09a8.zip | |
ALSA: ctxfi - Fix microphone boost codes/comments
microphone boost was set at +12dB, not +20dB (like in Windows driver
and in adc_conf structure declaration), some comments added.
Signed-off-by: Przemyslaw Bruski <pbruskispam@op.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/ctxfi/cthw20k2.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/sound/pci/ctxfi/cthw20k2.c b/sound/pci/ctxfi/cthw20k2.c index b6b11bfe7574..5364164674e4 100644 --- a/sound/pci/ctxfi/cthw20k2.c +++ b/sound/pci/ctxfi/cthw20k2.c @@ -1307,10 +1307,10 @@ static int hw_pll_init(struct hw *hw, unsigned int rsr) set_field(&pllctl, PLLCTL_B, 0); if (48000 == rsr) { set_field(&pllctl, PLLCTL_FD, 16 - 2); - set_field(&pllctl, PLLCTL_RD, 1 - 1); + set_field(&pllctl, PLLCTL_RD, 1 - 1); /* 3000*16/1 = 48000 */ } else { /* 44100 */ set_field(&pllctl, PLLCTL_FD, 147 - 2); - set_field(&pllctl, PLLCTL_RD, 10 - 1); + set_field(&pllctl, PLLCTL_RD, 10 - 1); /* 3000*147/10 = 44100 */ } hw_write_20kx(hw, PLL_CTL, pllctl); mdelay(40); @@ -1740,6 +1740,10 @@ static int hw_is_adc_input_selected(struct hw *hw, enum ADCSRC type) return data; } +#define MIC_BOOST_0DB 0xCF +#define MIC_BOOST_STEPS_PER_DB 2 +#define MIC_BOOST_20DB (MIC_BOOST_0DB + 20 * MIC_BOOST_STEPS_PER_DB) + static int hw_adc_input_select(struct hw *hw, enum ADCSRC type) { u32 data; @@ -1751,10 +1755,12 @@ static int hw_adc_input_select(struct hw *hw, enum ADCSRC type) hw_write_20kx(hw, GPIO_DATA, data); hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_ADCMC, 0x101), MAKE_WM8775_DATA(0x101)); /* Mic-in */ - hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_AADCL, 0xE7), - MAKE_WM8775_DATA(0xE7)); /* +12dB boost */ - hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_AADCR, 0xE7), - MAKE_WM8775_DATA(0xE7)); /* +12dB boost */ + hw20k2_i2c_write(hw, + MAKE_WM8775_ADDR(WM8775_AADCL, MIC_BOOST_20DB), + MAKE_WM8775_DATA(MIC_BOOST_20DB)); /* +20dB */ + hw20k2_i2c_write(hw, + MAKE_WM8775_ADDR(WM8775_AADCR, MIC_BOOST_20DB), + MAKE_WM8775_DATA(MIC_BOOST_20DB)); /* +20dB */ break; case ADC_LINEIN: data &= ~(0x1 << 14); @@ -1827,10 +1833,12 @@ static int hw_adc_init(struct hw *hw, const struct adc_conf *info) hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_ADCMC, 0x101), MAKE_WM8775_DATA(0x101)); /* Mic-in */ - hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_AADCL, 0xE7), - MAKE_WM8775_DATA(0xE7)); /* +12dB boost */ - hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_AADCR, 0xE7), - MAKE_WM8775_DATA(0xE7)); /* +12dB boost */ + hw20k2_i2c_write(hw, + MAKE_WM8775_ADDR(WM8775_AADCL, MIC_BOOST_20DB), + MAKE_WM8775_DATA(MIC_BOOST_20DB)); /* +20dB */ + hw20k2_i2c_write(hw, + MAKE_WM8775_ADDR(WM8775_AADCR, MIC_BOOST_20DB), + MAKE_WM8775_DATA(MIC_BOOST_20DB)); /* +20dB */ } else if (mux == 2) { /* Configures GPIO data to select Line-in */ data &= ~(0x1 << 14); |