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fix(i2s): reset the dma buf_size while allocation failed

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Closes https://github.com/espressif/esp-idf/issues/15648
This commit is contained in:
laokaiyao
2025-03-26 15:24:29 +08:00
parent 6ef7ad67d4
commit b834886585
5 changed files with 26 additions and 29 deletions
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6
components/esp_driver_i2s/i2s_pdm.c
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@@ -121,9 +121,8 @@ static esp_err_t i2s_pdm_tx_set_slot(i2s_chan_handle_t handle, const i2s_pdm_tx_
uint32_t buf_size = i2s_get_buf_size(handle, slot_cfg->data_bit_width, handle->dma.frame_num);
/* The DMA buffer need to re-allocate if the buffer size changed */
if (handle->dma.buf_size != buf_size) {
handle->dma.buf_size = buf_size;
ESP_RETURN_ON_ERROR(i2s_free_dma_desc(handle), TAG, "failed to free the old dma descriptor");
ESP_RETURN_ON_ERROR(i2s_alloc_dma_desc(handle, handle->dma.desc_num, buf_size),
ESP_RETURN_ON_ERROR(i2s_alloc_dma_desc(handle, buf_size),
TAG, "allocate memory for dma descriptor failed");
}
/* Share bck and ws signal in full-duplex mode */
@@ -441,9 +440,8 @@ static esp_err_t i2s_pdm_rx_set_slot(i2s_chan_handle_t handle, const i2s_pdm_rx_
uint32_t buf_size = i2s_get_buf_size(handle, slot_cfg->data_bit_width, handle->dma.frame_num);
/* The DMA buffer need to re-allocate if the buffer size changed */
if (handle->dma.buf_size != buf_size) {
handle->dma.buf_size = buf_size;
ESP_RETURN_ON_ERROR(i2s_free_dma_desc(handle), TAG, "failed to free the old dma descriptor");
ESP_RETURN_ON_ERROR(i2s_alloc_dma_desc(handle, handle->dma.desc_num, buf_size),
ESP_RETURN_ON_ERROR(i2s_alloc_dma_desc(handle, buf_size),
TAG, "allocate memory for dma descriptor failed");
}
/* Share bck and ws signal in full-duplex mode */