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TAS5805M: DRC didn't work after tas5805m set drv param

Part Number: TAS5805M
Other Parts Discussed in Thread: TAS5805

Hardware:

Amlogic A311D + Tas5805M + Speaker

OS:

Android 9.0(Linux kernel) 

Steps:

1. Download Tas5805 linux driver from Ti.com;

2. Init DRC/EQ param in "tas5805m_init_sequence" array;

3. Play 1KHZ 0DB audio file;

4. Test Tas5805 output by Oscilloscope;

5. Get Tas5805 output (Vrms) and Calculate Power;

Issue:

We tried three different types DRC(7W/9W/10W)  param,  Vrms and Power show on Oscilloscope are same.

Please kindly help us to find out this issue:  How to set DRC param can be working?