Hi all,
My custom mx6q board need switch sound to line in with sgtl5000,but have a problem in freescale android 4.2.2
below is my test method,use android tinymix command to test
Switch to line in before my board sound is ok for android system,line out and hp sound is ok
when switch to line in have some problem.
# tinymix
Number of controls: 28
ctl type num name value
0 INT 2 PCM Playback Volume 156 156
1 INT 2 Capture Volume 15 15
2 INT 1 Capture Attenuate Switch (-6dB) 0
3 BOOL 1 Capture ZC Switch On
4 INT 2 Headphone Playback Volume 103 103
5 BOOL 1 Headphone Playback ZC Switch On
6 INT 1 Mic Volume 0
7 BOOL 1 Bass Enable Off
8 INT 1 Bass Filter Feq 1
9 INT 1 Bass Volume 58
10 INT 1 Bass Level 96
11 INT 1 Surround Width 4
12 INT 1 Main Channel Volume 100
13 INT 1 Mixer Channel Volume 0
14 BOOL 1 AVC Enable Off
15 BOOL 1 AVC Hard Limit Off
16 INT 1 AVC Max Gain 1
17 INT 1 AVC Threshold (-dB) 12
18 BOOL 1 DAP_MIXER Mixer Channel Off
19 ENUM 1 I2S_OUT ADC
20 ENUM 1 DAC_IN I2S_IN
21 ENUM 1 MIX_MUX ADC
22 ENUM 1 DAP_IN ADC
23 ENUM 1 Headphone Mux DAC
24 ENUM 1 Capture Mux MIC_IN
25 ENUM 1 Jack Function off
26 ENUM 1 Speaker Function off
27 ENUM 1 Line In Function off
# tinymix -D 0 20 ADC
# tinymix -D 0 24 LINE_IN
# tinymix -D 0 27 on
first I have telephone sound connect to sgtl5000 line in.
after sound switch to line in,sound is not come out.
when I click android ui back button,the sound will come out.
I found must click the back button or other button have sound when android system set the touch buttons with sound.
Switch to line in,the sound will come out. Otherwise the sound will not come out.
Now I must click the back button once ,the sound will come out when modify hadware tinyalsa_hal.c and sound driver sgtl5000.c
comment do_out_standby function content in path myandroid/hardware/imx/alsa/tinyalsa_hal.c
comment suspend and resume function in sgtl5000.c
Have some one met this issues? How to solve this issues? Have anybody give me some advices?
Thanks,
Leo
