Fix for mclk/bclk divisors #8326

Merges https://github.com/espressif/esp-idf/pull/8327
pull/7148/merge
Stephan Hadinger 2022-01-31 22:20:34 +01:00 zatwierdzone przez Kevin (Lao Kaiyao)
rodzic 6e0308d352
commit 2f0e7e9b6c
1 zmienionych plików z 2 dodań i 2 usunięć

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@ -983,9 +983,9 @@ static esp_err_t i2s_calculate_adc_dac_clock(int i2s_num, i2s_hal_clock_cfg_t *c
ESP_RETURN_ON_FALSE(p_i2s[i2s_num]->hal_cfg.mode & (I2S_MODE_DAC_BUILT_IN | I2S_MODE_ADC_BUILT_IN), ESP_ERR_INVALID_ARG, TAG, "current mode is not built-in ADC/DAC");
/* Set I2S bit clock */
clk_cfg->bclk = p_i2s[i2s_num]->hal_cfg.sample_rate * I2S_LL_AD_BCK_FACTOR * 2;
clk_cfg->bclk = p_i2s[i2s_num]->hal_cfg.sample_rate * I2S_LL_AD_BCK_FACTOR;
/* Set I2S bit clock default division */
clk_cfg->bclk_div = I2S_LL_AD_BCK_FACTOR;
clk_cfg->bclk_div = I2S_LL_AD_BCK_FACTOR * 16;
/* If fixed_mclk and use_apll are set, use fixed_mclk as mclk frequency, otherwise calculate by mclk = sample_rate * multiple */
clk_cfg->mclk = (p_i2s[i2s_num]->use_apll && p_i2s[i2s_num]->fixed_mclk) ?
p_i2s[i2s_num]->fixed_mclk : clk_cfg->bclk * clk_cfg->bclk_div;