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change(esp32): undo forcing two slots in I2S

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fix(i2s): fixed the issue in PR 14879

Closes https://github.com/espressif/esp-idf/pull/14879

[Kevin: Update to only remove the limitation for PCM short format]
This commit is contained in:
Gustavo Litovsky
2024-12-24 12:07:45 +08:00
committed by laokaiyao
parent 75fb8bbe04
commit c475820f54
2 changed files with 6 additions and 6 deletions
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components/esp_driver_i2s/i2s_tdm.c
+2 -2
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@@ -105,8 +105,8 @@ static esp_err_t i2s_tdm_set_slot(i2s_chan_handle_t handle, const i2s_tdm_slot_c
handle->active_slot = slot_cfg->slot_mode == I2S_SLOT_MODE_MONO ? 1 : __builtin_popcount(slot_cfg->slot_mask);
uint32_t max_slot_num = 32 - __builtin_clz(slot_cfg->slot_mask);
handle->total_slot = slot_cfg->total_slot < max_slot_num ? max_slot_num : slot_cfg->total_slot;
handle->total_slot = handle->total_slot < 2 ? 2 : handle->total_slot; // At least two slots in a frame
// At least two slots in a frame if not using PCM short format
handle->total_slot = ((handle->total_slot < 2) && (slot_cfg->ws_width != 1)) ? 2 : handle->total_slot;
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) {