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[es8311] Encode the REG02 MCLK pre-multiplier instead of writing the factor (#20121)

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abderrahmen bejaoui
2026-10-04 11:37:03 +00:00
committed by GitHub
parent 2d56559f04
commit b070c828b3
1 changed files with 16 additions and 1 deletions
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esphome/components/es8311/es8311.cpp
+16 -1
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@@ -92,6 +92,21 @@ uint8_t ES8311::calculate_resolution_value(ES8311Resolution resolution) {
}
}
/// Encodes the MCLK pre-multiplier for REG02 bits 3-4. The coefficient table stores the multiplier as the factor
/// itself (1, 2, 4 or 8), while the register takes 0, 1, 2 or 3 (ES8311 datasheet, register 0x02 MULT_PRE).
static uint8_t encode_pre_mult(uint8_t pre_mult) {
switch (pre_mult) {
case 2:
return 1;
case 4:
return 2;
case 8:
return 3;
default:
return 0;
}
}
const ES8311Coefficient *ES8311::get_coefficient(uint32_t mclk, uint32_t rate) {
for (const auto &coefficient : ES8311_COEFFICIENTS) {
if (coefficient.mclk == mclk && coefficient.rate == rate)
@@ -127,7 +142,7 @@ bool ES8311::configure_clock_() {
ES8311_ERROR_CHECK(this->read_byte(ES8311_REG02_CLK_MANAGER, &reg02));
reg02 &= 0x07;
reg02 |= (coefficient->pre_div - 1) << 5;
reg02 |= coefficient->pre_mult << 3;
reg02 |= encode_pre_mult(coefficient->pre_mult) << 3;
ES8311_ERROR_CHECK(this->write_byte(ES8311_REG02_CLK_MANAGER, reg02));
// Register 0x03