Dear Sirs
My customer has some issue by using AIC3268.
When he only uses example playback, the function is working. (like the following figure)
When he download miniDSP code (see the attachment iis_bypass), then execute the playback example code(mark the first the row about reset setting), playback function is not working.
When he download miniDSP code (see the attachment iis_bypass), then execute the playback example code(do not mark the first the row about reset setting), playback function is working. But MiniDSP seem to be reseted.
initial reg_txt.txt
printk("Codec to init the Playback.\n");
// Software Reset
aic3268_write(codec, PAGE_0 + 0x00, 0x00);
aic3268_write(codec, PAGE_0 + 0x7F, 0x00);
aic3268_write(codec, PAGE_0 + 0x01, 0x01);
mdelay(1);
// Clock configuration
aic3268_write(codec, PAGE_0 + 0x04, 0x00);
aic3268_write(codec, PAGE_0 + 0x0B, 0x81);
aic3268_write(codec, PAGE_0 + 0x0C, 0x82);
aic3268_write(codec, PAGE_0 + 0x0D, 0x00);
aic3268_write(codec, PAGE_0 + 0x0E, 0x80);
// Initialize the Codec
aic3268_write(codec, PAGE_1 + 0x01, 0x00);
aic3268_write(codec, PAGE_1 + 0x7A, 0x01);
// ASI #1 configuration
aic3268_write(codec, PAGE_4 + 0x01, 0x00);
aic3268_write(codec, PAGE_4 + 0x0A, 0x00);
// Signal processing
aic3268_write(codec, PAGE_0 + 0x3C, 0x01);
// DAC configuration
aic3268_write(codec, PAGE_1 + 0x03, 0x00);
aic3268_write(codec, PAGE_1 + 0x04, 0x00);
aic3268_write(codec, PAGE_1 + 0x16, 0x82);
// Power up the Left and Right DAC Channels
aic3268_write(codec, PAGE_0 + 0x3F, 0x80);
// unMute the DAC digital volume control
aic3268_write(codec, PAGE_0 + 0x40, 0x04);
printk("Codec to init the Capture.\n");
// Power up NADC,MADC and set NADC = 1,MADC = 2
aic3268_write(codec, PAGE_0 + 0x12, 0x81);
aic3268_write(codec, PAGE_0 + 0x13, 0x81);
// Set AOSR = 128
aic3268_write(codec, PAGE_0 + 0x14, 0x80);
// Disable the weak connection beween AVDD and DVDD
aic3268_write(codec, PAGE_1 + 0x01, 0x00);
// set the REF charging time to 40 ms
aic3268_write(codec, PAGE_1 + 0x7A, 0x01);
// set the quick charge of imput coupling cap for analog inputs
aic3268_write(codec, PAGE_1 + 0x79, 0x33);
// ASI#1 confiuration
// set ASI#1 16bits,I2S mode
aic3268_write(codec, PAGE_4 + 0x01, 0x00);
aic3268_write(codec, PAGE_4 + 0x0A, 0x00);
//Set the ADC PRB Mode to PRB_R1
aic3268_write(codec, PAGE_0 + 0x3D, 0x01);
// ADC configuration
// Mic Bias enabled,Source = Avdd,1.62V
aic3268_write(codec, PAGE_1 + 0x33, 0x44);
// Route IN4L and IN4R to LEFT ADCPGA with 20K input impedance
aic3268_write(codec, PAGE_1 + 0x35, 0x30);
// Route IN4L and IN4R to RIGHT ADCPGA with 20K input impedance
//aic3268_write(codec, PAGE_1 + 0x38, 0x30);
// Left Channel Analog ADC PGA = 30 dB
aic3268_write(codec, PAGE_1 + 0x3B, 0x00);
// Right Channel Analog ADC PGA = 30 dB
//aic3268_write(codec, PAGE_1 + 0x3C, 0x3C);
// Left Channel Analog ADC Volume = -8 dB
aic3268_write(codec, PAGE_0 + 0x53, 0xf0);
// ADC Analog programmed for PTM_R4
aic3268_write(codec, PAGE_1 + 0x3D, 0x00);
// Power-up ADC Channel
aic3268_write(codec, PAGE_0 + 0x51, 0xC0);
aic3268_write(codec, PAGE_0 + 0x52, 0x00);
The miniDSP will effect the common register (about playback register)?
Is the miniDSP code and playback register independent?
Could you do me a favor about the issue. Thanks
