khalilst

Fix: CS35L56 second amplifier not working on Intel Lunar Lake SPI

Problem

On HP laptops (and potentially ASUS) with Intel Lunar Lake processors using dual Cirrus Logic CS35L56 amplifiers over SPI, only the first amplifier (CS0) works. The second amplifier (CS1) fails with HALO_STATE=0x0 (firmware boot timeout). Speakers work correctly in Windows.

Affected bugs:

khalilst

var x = new Array(1000000).fill(0).map(item => Math.floor(Math.random()*10));

console.time('1.Set');
var setResult = Array.from(new Set(x));
console.timeLog('1.Set');
console.log(setResult);

console.time('2.Reduce');
var reduceResult = x.reduce((acc, item) => {
  if (acc.indexOf(item) === -1) {