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[i2s_audio] Fix: Slot bit-width for ESP32 variant (#8738)

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Kevin Ahrendt 2025-05-11 00:27:50 -05:00 committed by GitHub
parent ff1c3cb52e
commit cdce59f7f9
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1 changed files with 9 additions and 0 deletions
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9
esphome/components/i2s_audio/speaker/i2s_audio_speaker.cpp
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@ -629,7 +629,16 @@ esp_err_t I2SAudioSpeaker::start_i2s_driver_(audio::AudioStreamInfo &audio_strea
std_slot_cfg =
I2S_STD_MSB_SLOT_DEFAULT_CONFIG((i2s_data_bit_width_t) audio_stream_info.get_bits_per_sample(), slot_mode);
}
#ifdef USE_ESP32_VARIANT_ESP32
// There seems to be a bug on the ESP32 (non-variant) platform where setting the slot bit width higher then the bits
// per sample causes the audio to play too fast. Setting the ws_width to the configured slot bit width seems to
// make it play at the correct speed while sending more bits per slot.
if (this->slot_bit_width_ != I2S_SLOT_BIT_WIDTH_AUTO) {
std_slot_cfg.ws_width = static_cast<uint32_t>(this->slot_bit_width_);
}
#else
std_slot_cfg.slot_bit_width = this->slot_bit_width_;
#endif
std_slot_cfg.slot_mask = slot_mask;
pin_config.dout = this->dout_pin_;