On 04/29/2012 11:35 PM, Russell King - ARM Linux wrote:
> Please can someone at TI take a current mainline kernel, build it, and
> test out audio support on the 4430SDP - specifically output through the
> headset jack into a line input, and report when it works. Thanks.
Try to use my attached aconf for SDP4430 to configure the HS playback.
Note that the HS is not a line out, so on your line-in device it will
cause distortion. If you have a headset/headphone you will have better
quality.
alsactl -f blaze.aconf restore
To play samples with aplay:
aplay -Dplughw:0,0 <wav file>
The sample format fot Legacy McPDM is S32_LE, 96KHz, 24bit (32 bit
sample with 24 LSB).
The slow pace audio playback is because at this point we do not have the
full audio stack up. The AESS IP does not have driver. You need to
disable CONFIG_OMAP_RESET_CLOCKS. This will fic the audio playback speed.
As for the basic usage:
We support up to 5 channel playback on OMAP4 in Legacy mode:
channel 1/2 (stereo): Headset, earpiece
channel 3/4: Handsfree/Line out
channel 5: Vibra
So with stereo sample you can only play to the Headset/Earpiece.
You need to have 5 channel audio, and valid data on channel 5 to be able
to drive the vibra.
--
Péter
state.SDP4430 {
control.1 {
iface MIXER
name 'Capture Preamplifier Volume'
value.0 1
value.1 1
comment {
access 'read write'
type INTEGER
count 2
range '0 - 1'
dbmin -600
dbmax 0
dbvalue.0 0
dbvalue.1 0
}
}
control.2 {
iface MIXER
name 'Capture Volume'
value.0 1
value.1 1
comment {
access 'read write'
type INTEGER
count 2
range '0 - 4'
dbmin 600
dbmax 3000
dbvalue.0 1200
dbvalue.1 1200
}
}
control.3 {
iface MIXER
name 'Aux FM Volume'
value.0 3
value.1 3
comment {
access 'read write'
type INTEGER
count 2
range '0 - 7'
dbmin -1800
dbmax 2400
dbvalue.0 0
dbvalue.1 0
}
}
control.4 {
iface MIXER
name 'Headset Playback Volume'
value.0 13
value.1 13
comment {
access 'read write'
type INTEGER
count 2
range '0 - 15'
dbmin -3000
dbmax 0
dbvalue.0 -400
dbvalue.1 -400
}
}
control.5 {
iface MIXER
name 'Handsfree Playback Volume'
value.0 4
value.1 4
comment {
access 'read write'
type INTEGER
count 2
range '0 - 29'
dbmin -5200
dbmax 600
dbvalue.0 -4400
dbvalue.1 -4400
}
}
control.6 {
iface MIXER
name 'Earphone Playback Volume'
value 2
comment {
access 'read write'
type INTEGER
count 1
range '0 - 15'
dbmin -2400
dbmax 600
dbvalue.0 -2000
}
}
control.7 {
iface MIXER
name 'Headset Power Mode'
value High-Perfomance
comment {
access 'read write'
type ENUMERATED
count 1
item.0 Low-Power
item.1 High-Perfomance
}
}
control.8 {
iface MIXER
name 'PLL Selection'
value High-Perfomance
comment {
access 'read write'
type ENUMERATED
count 1
item.0 Low-Power
item.1 High-Perfomance
}
}
control.9 {
iface MIXER
name 'AUXR Playback Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.10 {
iface MIXER
name 'AUXL Playback Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.11 {
iface MIXER
name 'Earphone Playback Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.12 {
iface MIXER
name 'Vibra Right Playback'
value 'Input FF'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'Input FF'
item.1 'Audio PDM'
}
}
control.13 {
iface MIXER
name 'Vibra Left Playback'
value 'Input FF'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'Input FF'
item.1 'Audio PDM'
}
}
control.14 {
iface MIXER
name 'Headset Right Playback'
value 'HS DAC'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 Off
item.1 'HS DAC'
item.2 'Line-In amp'
}
}
control.15 {
iface MIXER
name 'Headset Left Playback'
value 'HS DAC'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 Off
item.1 'HS DAC'
item.2 'Line-In amp'
}
}
control.16 {
iface MIXER
name 'Handsfree Right Playback'
value Off
comment {
access 'read write'
type ENUMERATED
count 1
item.0 Off
item.1 'HF DAC'
item.2 'Line-In amp'
}
}
control.17 {
iface MIXER
name 'Handsfree Left Playback'
value Off
comment {
access 'read write'
type ENUMERATED
count 1
item.0 Off
item.1 'HF DAC'
item.2 'Line-In amp'
}
}
control.18 {
iface MIXER
name 'Analog Right Capture Route'
value Off
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'Headset Mic'
item.1 'Sub Mic'
item.2 'Aux/FM Right'
item.3 Off
}
}
control.19 {
iface MIXER
name 'Analog Left Capture Route'
value Off
comment {
access 'read write'
type ENUMERATED
count 1
item.0 'Headset Mic'
item.1 'Main Mic'
item.2 'Aux/FM Left'
item.3 Off
}
}
}
