Introduction to wm8960 for debugging the sound card driver in android 2. androidwm8960

Introduction to wm8960 for debugging the sound card driver in android 2. androidwm8960

3. Introduction to LINPUT input channels

The main configuration of LINPUT is as follows:

Set bit8 (LMN1) of R32 to 1: LINPUT1 connects to PGA;

Set bit7 (LINMUTE) of R00 to 0: Disable mute;

Set bit5 (AINL) of R25 to 1: PGA enabling;

Bit5 (LMIC) of R47 is set to 1: Left Boost Mixer;

Bit3 (LMIC2B) of R32 sets 1: boost connects to Left Boost Mixer.

Iv. OUTPUT channel Introduction

The main configurations of OUPUT are as follows:

Bit8 (LD2LO) of R34 is set to 1: connect LDAC to Left Output Mixer;

Bit3 (LOMIX) of R47 is set to 1: Left Output Mixer.

V. Introduction to Class D

Wm8960 has a class D amplification function that can directly drive an 8-euro BTL speaker.

The main configurations of Class D are as follows:

Set bit [] (SPK_OP_EN) of R49 to 11: Enable left and right output of class D speakers;

Bits of R51 [] (DCGAIN) are set to 011: Magnification;

Bits of R51 [2: 0] (ACGAIN) are set to 011: magnification.