Merge branch 'bugfix/workaround_of_i2s_half_sample_rate_issue_v5.0' into 'release/v5.0'

fix(i2s): fix i2s half sample rate issue (v5.0) See merge request espressif/esp-idf!34356
2025-08-01 11:44:31 +02:00 · 2024-11-12 10:02:00 +08:00
parent 7c02cb4517 dea7db9cd8
commit f1e86424c2
5 changed files with 117 additions and 125 deletions
--- a/components/hal/esp32/include/hal/i2s_ll.h
+++ b/components/hal/esp32/include/hal/i2s_ll.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2020-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2020-2024 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */
@@ -78,7 +78,7 @@ static inline void i2s_ll_dma_enable_auto_write_back(i2s_dev_t *hw, bool en)
 }

 /**
- * @brief I2S DMA generate EOF event on data in FIFO poped out
+ * @brief I2S DMA generate EOF event on data in FIFO popped out
 *
 * @param hw Peripheral I2S hardware instance address.
 * @param en True to enable, False to disable
@@ -311,11 +311,6 @@ static inline void i2s_ll_set_raw_mclk_div(i2s_dev_t *hw, uint32_t mclk_div, uin
 */
 static inline void i2s_ll_tx_set_mclk(i2s_dev_t *hw, const i2s_ll_mclk_div_t *mclk_div)
 {
-    /* Workaround for inaccurate clock while switching from a relatively low sample rate to a high sample rate
-     * Set to particular coefficients first then update to the target coefficients,
-     * otherwise the clock division might be inaccurate.
-     * the general idea is to set a value that unlike to calculate from the regular decimal */
-    i2s_ll_set_raw_mclk_div(hw, 7, 47, 3);
    i2s_ll_set_raw_mclk_div(hw, mclk_div->integ, mclk_div->denom, mclk_div->numer);
 }

@@ -620,7 +615,7 @@ static inline void i2s_ll_tx_set_bits_mod(i2s_dev_t *hw, uint32_t val)
 }

 /**
- * @brief Congfigure TX chan bit and audio data bit, on ESP32, sample_bit should equals to data_bit
+ * @brief Configure TX chan bit and audio data bit, on ESP32, sample_bit should equals to data_bit
 *
 * @param hw Peripheral I2S hardware instance address.
 * @param chan_bit The chan bit width
@@ -633,7 +628,7 @@ static inline void i2s_ll_tx_set_sample_bit(i2s_dev_t *hw, uint8_t chan_bit, int
 }

 /**
- * @brief Congfigure RX chan bit and audio data bit, on ESP32, sample_bit should equals to data_bit
+ * @brief Configure RX chan bit and audio data bit, on ESP32, sample_bit should equals to data_bit
 *
 * @param hw Peripheral I2S hardware instance address.
 * @param chan_bit The chan bit width
--- a/components/hal/esp32c3/include/hal/i2s_ll.h
+++ b/components/hal/esp32c3/include/hal/i2s_ll.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */
@@ -233,15 +233,21 @@ static inline void i2s_ll_tx_set_bck_div_num(i2s_dev_t *hw, uint32_t val)
 */
 static inline void i2s_ll_tx_set_raw_clk_div(i2s_dev_t *hw, uint32_t div_int, uint32_t x, uint32_t y, uint32_t z, uint32_t yn1)
 {
-    /* Set the integer part of mclk division */
+    /* Workaround for the double division issue.
+     * The division coefficients must be set in particular sequence.
+     * And it has to switch to a small division first before setting the target division. */
+    HAL_FORCE_MODIFY_U32_REG_FIELD(hw->tx_clkm_conf, tx_clkm_div_num, 2);
+    hw->tx_clkm_div_conf.tx_clkm_div_yn1 = 0;
+    hw->tx_clkm_div_conf.tx_clkm_div_y = 1;
+    hw->tx_clkm_div_conf.tx_clkm_div_z = 0;
+    hw->tx_clkm_div_conf.tx_clkm_div_x = 0;
+
+    /* Set the target mclk division coefficients */
+    hw->tx_clkm_div_conf.tx_clkm_div_yn1 = yn1;
+    hw->tx_clkm_div_conf.tx_clkm_div_z = z;
+    hw->tx_clkm_div_conf.tx_clkm_div_y = y;
+    hw->tx_clkm_div_conf.tx_clkm_div_x = x;
    HAL_FORCE_MODIFY_U32_REG_FIELD(hw->tx_clkm_conf, tx_clkm_div_num, div_int);
-    /* Set the decimal part of the mclk division */
-    typeof(hw->tx_clkm_div_conf) div = {};
-    div.tx_clkm_div_x = x;
-    div.tx_clkm_div_y = y;
-    div.tx_clkm_div_z = z;
-    div.tx_clkm_div_yn1 = yn1;
-    hw->tx_clkm_div_conf.val = div.val;
 }

 /**
@@ -256,15 +262,21 @@ static inline void i2s_ll_tx_set_raw_clk_div(i2s_dev_t *hw, uint32_t div_int, ui
 */
 static inline void i2s_ll_rx_set_raw_clk_div(i2s_dev_t *hw, uint32_t div_int, uint32_t x, uint32_t y, uint32_t z, uint32_t yn1)
 {
-    /* Set the integer part of mclk division */
+    /* Workaround for the double division issue.
+     * The division coefficients must be set in particular sequence.
+     * And it has to switch to a small division first before setting the target division. */
+    HAL_FORCE_MODIFY_U32_REG_FIELD(hw->rx_clkm_conf, rx_clkm_div_num, 2);
+    hw->rx_clkm_div_conf.rx_clkm_div_yn1 = 0;
+    hw->rx_clkm_div_conf.rx_clkm_div_y = 1;
+    hw->rx_clkm_div_conf.rx_clkm_div_z = 0;
+    hw->rx_clkm_div_conf.rx_clkm_div_x = 0;
+
+    /* Set the target mclk division coefficients */
+    hw->rx_clkm_div_conf.rx_clkm_div_yn1 = yn1;
+    hw->rx_clkm_div_conf.rx_clkm_div_z = z;
+    hw->rx_clkm_div_conf.rx_clkm_div_y = y;
+    hw->rx_clkm_div_conf.rx_clkm_div_x = x;
    HAL_FORCE_MODIFY_U32_REG_FIELD(hw->rx_clkm_conf, rx_clkm_div_num, div_int);
-    /* Set the decimal part of the mclk division */
-    typeof(hw->rx_clkm_div_conf) div = {};
-    div.rx_clkm_div_x = x;
-    div.rx_clkm_div_y = y;
-    div.rx_clkm_div_z = z;
-    div.rx_clkm_div_yn1 = yn1;
-    hw->rx_clkm_div_conf.val = div.val;
 }

 /**
@@ -275,12 +287,6 @@ static inline void i2s_ll_rx_set_raw_clk_div(i2s_dev_t *hw, uint32_t div_int, ui
 */
 static inline void i2s_ll_tx_set_mclk(i2s_dev_t *hw, const i2s_ll_mclk_div_t *mclk_div)
 {
-    /* Workaround for inaccurate clock while switching from a relatively low sample rate to a high sample rate
-     * Set to particular coefficients first then update to the target coefficients,
-     * otherwise the clock division might be inaccurate.
-     * the general idea is to set a value that impossible to calculate from the regular decimal */
-    i2s_ll_tx_set_raw_clk_div(hw, 7, 317, 7, 3, 0);
-
    uint32_t div_x = 0;
    uint32_t div_y = 0;
    uint32_t div_z = 0;
@@ -315,12 +321,6 @@ static inline void i2s_ll_rx_set_bck_div_num(i2s_dev_t *hw, uint32_t val)
 */
 static inline void i2s_ll_rx_set_mclk(i2s_dev_t *hw, const i2s_ll_mclk_div_t *mclk_div)
 {
-    /* Workaround for inaccurate clock while switching from a relatively low sample rate to a high sample rate
-     * Set to particular coefficients first then update to the target coefficients,
-     * otherwise the clock division might be inaccurate.
-     * the general idea is to set a value that impossible to calculate from the regular decimal */
-    i2s_ll_rx_set_raw_clk_div(hw, 7, 317, 7, 3, 0);
-
    uint32_t div_x = 0;
    uint32_t div_y = 0;
    uint32_t div_z = 0;
@@ -413,7 +413,7 @@ static inline void i2s_ll_rx_set_eof_num(i2s_dev_t *hw, int eof_num)
 }

 /**
- * @brief Congfigure TX chan bit and audio data bit
+ * @brief Configure TX chan bit and audio data bit
 *
 * @param hw Peripheral I2S hardware instance address.
 * @param chan_bit The chan bit width
@@ -426,7 +426,7 @@ static inline void i2s_ll_tx_set_sample_bit(i2s_dev_t *hw, uint8_t chan_bit, int
 }

 /**
- * @brief Congfigure RX chan bit and audio data bit
+ * @brief Configure RX chan bit and audio data bit
 *
 * @param hw Peripheral I2S hardware instance address.
 * @param chan_bit The chan bit width
@@ -826,11 +826,11 @@ static inline void i2s_ll_tx_set_pdm_fpfs(i2s_dev_t *hw, uint32_t fp, uint32_t f
 }

 /**
- * @brief Get I2S TX PDM fp configuration paramater
+ * @brief Get I2S TX PDM fp configuration parameter
 *
 * @param hw Peripheral I2S hardware instance address.
 * @return
- *        - fp configuration paramater
+ *        - fp configuration parameter
 */
 static inline uint32_t i2s_ll_tx_get_pdm_fp(i2s_dev_t *hw)
 {
@@ -838,11 +838,11 @@ static inline uint32_t i2s_ll_tx_get_pdm_fp(i2s_dev_t *hw)
 }

 /**
- * @brief Get I2S TX PDM fs configuration paramater
+ * @brief Get I2S TX PDM fs configuration parameter
 *
 * @param hw Peripheral I2S hardware instance address.
 * @return
- *        - fs configuration paramater
+ *        - fs configuration parameter
 */
 static inline uint32_t i2s_ll_tx_get_pdm_fs(i2s_dev_t *hw)
 {
@@ -866,7 +866,7 @@ static inline void i2s_ll_rx_enable_pdm(i2s_dev_t *hw, bool pdm_enable)
 * @brief Configura TX a/u-law decompress or compress
 *
 * @param hw Peripheral I2S hardware instance address.
- * @param pcm_cfg PCM configuration paramater
+ * @param pcm_cfg PCM configuration parameter
 */
 static inline void i2s_ll_tx_set_pcm_type(i2s_dev_t *hw, i2s_pcm_compress_t pcm_cfg)
 {
@@ -878,7 +878,7 @@ static inline void i2s_ll_tx_set_pcm_type(i2s_dev_t *hw, i2s_pcm_compress_t pcm_
 * @brief Configure RX a/u-law decompress or compress
 *
 * @param hw Peripheral I2S hardware instance address.
- * @param pcm_cfg PCM configuration paramater
+ * @param pcm_cfg PCM configuration parameter
 */
 static inline void i2s_ll_rx_set_pcm_type(i2s_dev_t *hw, i2s_pcm_compress_t pcm_cfg)
 {
@@ -1050,7 +1050,7 @@ static inline void i2s_ll_tx_pdm_dma_take_mode(i2s_dev_t *hw, bool is_mono, bool
 * @param is_mono   The DMA data only has one slot (mono) or contains two slots (stereo)
 * @param is_copy   Whether the un-selected slot copies the data from the selected one
 *                  If not, the un-selected slot will transmit the data from 'conf_single_data'
- * @param mask      The slot mask to selet the slot
+ * @param mask      The slot mask to select the slot
 */
 static inline void i2s_ll_tx_pdm_slot_mode(i2s_dev_t *hw, bool is_mono, bool is_copy, i2s_pdm_slot_mask_t mask)
 {
--- a/components/hal/esp32h2/include/hal/i2s_ll.h
+++ b/components/hal/esp32h2/include/hal/i2s_ll.h
@@ -235,15 +235,22 @@ static inline void i2s_ll_tx_set_bck_div_num(i2s_dev_t *hw, uint32_t val)
 */
 static inline void i2s_ll_tx_set_raw_clk_div(i2s_dev_t *hw, uint32_t div_int, uint32_t x, uint32_t y, uint32_t z, uint32_t yn1)
 {
-    /* Set the integer part of mclk division */
-    HAL_FORCE_MODIFY_U32_REG_FIELD(hw->tx_clkm_conf, tx_clkm_div_num, div_int);
-    /* Set the decimal part of the mclk division */
-    typeof(hw->tx_clkm_div_conf) div = {};
-    div.tx_clkm_div_x = x;
-    div.tx_clkm_div_y = y;
-    div.tx_clkm_div_z = z;
-    div.tx_clkm_div_yn1 = yn1;
-    hw->tx_clkm_div_conf.val = div.val;
+    (void)hw;
+    /* Workaround for the double division issue.
+     * The division coefficients must be set in particular sequence.
+     * And it has to switch to a small division first before setting the target division. */
+    HAL_FORCE_MODIFY_U32_REG_FIELD(PCR.i2s_tx_clkm_conf, i2s_tx_clkm_div_num, 2);
+    PCR.i2s_tx_clkm_div_conf.i2s_tx_clkm_div_yn1 = 0;
+    PCR.i2s_tx_clkm_div_conf.i2s_tx_clkm_div_y = 1;
+    PCR.i2s_tx_clkm_div_conf.i2s_tx_clkm_div_z = 0;
+    PCR.i2s_tx_clkm_div_conf.i2s_tx_clkm_div_x = 0;
+
+    /* Set the target mclk division coefficients */
+    PCR.i2s_tx_clkm_div_conf.i2s_tx_clkm_div_yn1 = yn1;
+    PCR.i2s_tx_clkm_div_conf.i2s_tx_clkm_div_z = z;
+    PCR.i2s_tx_clkm_div_conf.i2s_tx_clkm_div_y = y;
+    PCR.i2s_tx_clkm_div_conf.i2s_tx_clkm_div_x = x;
+    HAL_FORCE_MODIFY_U32_REG_FIELD(PCR.i2s_tx_clkm_conf, i2s_tx_clkm_div_num, div_int);
 }

 /**
@@ -258,15 +265,22 @@ static inline void i2s_ll_tx_set_raw_clk_div(i2s_dev_t *hw, uint32_t div_int, ui
 */
 static inline void i2s_ll_rx_set_raw_clk_div(i2s_dev_t *hw, uint32_t div_int, uint32_t x, uint32_t y, uint32_t z, uint32_t yn1)
 {
-    /* Set the integer part of mclk division */
-    HAL_FORCE_MODIFY_U32_REG_FIELD(hw->rx_clkm_conf, rx_clkm_div_num, div_int);
-    /* Set the decimal part of the mclk division */
-    typeof(hw->rx_clkm_div_conf) div = {};
-    div.rx_clkm_div_x = x;
-    div.rx_clkm_div_y = y;
-    div.rx_clkm_div_z = z;
-    div.rx_clkm_div_yn1 = yn1;
-    hw->rx_clkm_div_conf.val = div.val;
+    (void)hw;
+    /* Workaround for the double division issue.
+     * The division coefficients must be set in particular sequence.
+     * And it has to switch to a small division first before setting the target division. */
+    HAL_FORCE_MODIFY_U32_REG_FIELD(PCR.i2s_rx_clkm_conf, i2s_rx_clkm_div_num, 2);
+    PCR.i2s_rx_clkm_div_conf.i2s_rx_clkm_div_yn1 = 0;
+    PCR.i2s_rx_clkm_div_conf.i2s_rx_clkm_div_y = 1;
+    PCR.i2s_rx_clkm_div_conf.i2s_rx_clkm_div_z = 0;
+    PCR.i2s_rx_clkm_div_conf.i2s_rx_clkm_div_x = 0;
+
+    /* Set the target mclk division coefficients */
+    PCR.i2s_rx_clkm_div_conf.i2s_rx_clkm_div_yn1 = yn1;
+    PCR.i2s_rx_clkm_div_conf.i2s_rx_clkm_div_z = z;
+    PCR.i2s_rx_clkm_div_conf.i2s_rx_clkm_div_y = y;
+    PCR.i2s_rx_clkm_div_conf.i2s_rx_clkm_div_x = x;
+    HAL_FORCE_MODIFY_U32_REG_FIELD(PCR.i2s_rx_clkm_conf, i2s_rx_clkm_div_num, div_int);
 }

 /**
@@ -277,12 +291,6 @@ static inline void i2s_ll_rx_set_raw_clk_div(i2s_dev_t *hw, uint32_t div_int, ui
 */
 static inline void i2s_ll_tx_set_mclk(i2s_dev_t *hw, const i2s_ll_mclk_div_t *mclk_div)
 {
-    /* Workaround for inaccurate clock while switching from a relatively low sample rate to a high sample rate
-     * Set to particular coefficients first then update to the target coefficients,
-     * otherwise the clock division might be inaccurate.
-     * the general idea is to set a value that impossible to calculate from the regular decimal */
-    i2s_ll_tx_set_raw_clk_div(hw, 8, 1, 1, 73, 1);
-
    uint32_t div_x = 0;
    uint32_t div_y = 0;
    uint32_t div_z = 0;
@@ -317,12 +325,6 @@ static inline void i2s_ll_rx_set_bck_div_num(i2s_dev_t *hw, uint32_t val)
 */
 static inline void i2s_ll_rx_set_mclk(i2s_dev_t *hw, const i2s_ll_mclk_div_t *mclk_div)
 {
-    /* Workaround for inaccurate clock while switching from a relatively low sample rate to a high sample rate
-     * Set to particular coefficients first then update to the target coefficients,
-     * otherwise the clock division might be inaccurate.
-     * the general idea is to set a value that impossible to calculate from the regular decimal */
-    i2s_ll_rx_set_raw_clk_div(hw, 8, 1, 1, 73, 1);
-
    uint32_t div_x = 0;
    uint32_t div_y = 0;
    uint32_t div_z = 0;
--- a/components/hal/esp32s2/include/hal/i2s_ll.h
+++ b/components/hal/esp32s2/include/hal/i2s_ll.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2020-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2020-2024 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */
@@ -77,7 +77,7 @@ static inline void i2s_ll_dma_enable_auto_write_back(i2s_dev_t *hw, bool en)
 }

 /**
- * @brief I2S DMA generate EOF event on data in FIFO poped out
+ * @brief I2S DMA generate EOF event on data in FIFO popped out
 *
 * @param hw Peripheral I2S hardware instance address.
 * @param en True to enable, False to disable
@@ -305,11 +305,6 @@ static inline void i2s_ll_set_raw_mclk_div(i2s_dev_t *hw, uint32_t mclk_div, uin
 */
 static inline void i2s_ll_tx_set_mclk(i2s_dev_t *hw, const i2s_ll_mclk_div_t *mclk_div)
 {
-    /* Workaround for inaccurate clock while switching from a relatively low sample rate to a high sample rate
-     * Set to particular coefficients first then update to the target coefficients,
-     * otherwise the clock division might be inaccurate.
-     * the general idea is to set a value that unlike to calculate from the regular decimal */
-    i2s_ll_set_raw_mclk_div(hw, 7, 47, 3);
    i2s_ll_set_raw_mclk_div(hw, mclk_div->integ, mclk_div->denom, mclk_div->numer);
 }

@@ -646,7 +641,7 @@ static inline void i2s_ll_rx_set_eof_num(i2s_dev_t *hw, uint32_t eof_num)
 }

 /**
- * @brief Congfigure TX chan bit and audio data bit, on ESP32-S2, sample_bit should equals to data_bit
+ * @brief Configure TX chan bit and audio data bit, on ESP32-S2, sample_bit should equals to data_bit
 *
 * @param hw Peripheral I2S hardware instance address.
 * @param chan_bit The chan bit width
@@ -659,7 +654,7 @@ static inline void i2s_ll_tx_set_sample_bit(i2s_dev_t *hw, uint8_t chan_bit, int
 }

 /**
- * @brief Congfigure RX chan bit and audio data bit, on ESP32-S2, sample_bit should equals to data_bit
+ * @brief Configure RX chan bit and audio data bit, on ESP32-S2, sample_bit should equals to data_bit
 *
 * @param hw Peripheral I2S hardware instance address.
 * @param chan_bit The chan bit width
--- a/components/hal/esp32s3/include/hal/i2s_ll.h
+++ b/components/hal/esp32s3/include/hal/i2s_ll.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */
@@ -236,15 +236,21 @@ static inline void i2s_ll_tx_set_bck_div_num(i2s_dev_t *hw, uint32_t val)
 */
 static inline void i2s_ll_tx_set_raw_clk_div(i2s_dev_t *hw, uint32_t div_int, uint32_t x, uint32_t y, uint32_t z, uint32_t yn1)
 {
-    /* Set the integer part of mclk division */
+    /* Workaround for the double division issue.
+     * The division coefficients must be set in particular sequence.
+     * And it has to switch to a small division first before setting the target division. */
+    HAL_FORCE_MODIFY_U32_REG_FIELD(hw->tx_clkm_conf, tx_clkm_div_num, 2);
+    hw->tx_clkm_div_conf.tx_clkm_div_yn1 = 0;
+    hw->tx_clkm_div_conf.tx_clkm_div_y = 1;
+    hw->tx_clkm_div_conf.tx_clkm_div_z = 0;
+    hw->tx_clkm_div_conf.tx_clkm_div_x = 0;
+
+    /* Set the target mclk division coefficients */
+    hw->tx_clkm_div_conf.tx_clkm_div_yn1 = yn1;
+    hw->tx_clkm_div_conf.tx_clkm_div_z = z;
+    hw->tx_clkm_div_conf.tx_clkm_div_y = y;
+    hw->tx_clkm_div_conf.tx_clkm_div_x = x;
    HAL_FORCE_MODIFY_U32_REG_FIELD(hw->tx_clkm_conf, tx_clkm_div_num, div_int);
-    /* Set the decimal part of the mclk division */
-    typeof(hw->tx_clkm_div_conf) div = {};
-    div.tx_clkm_div_x = x;
-    div.tx_clkm_div_y = y;
-    div.tx_clkm_div_z = z;
-    div.tx_clkm_div_yn1 = yn1;
-    hw->tx_clkm_div_conf.val = div.val;
 }

 /**
@@ -259,15 +265,21 @@ static inline void i2s_ll_tx_set_raw_clk_div(i2s_dev_t *hw, uint32_t div_int, ui
 */
 static inline void i2s_ll_rx_set_raw_clk_div(i2s_dev_t *hw, uint32_t div_int, uint32_t x, uint32_t y, uint32_t z, uint32_t yn1)
 {
-    /* Set the integer part of mclk division */
+    /* Workaround for the double division issue.
+     * The division coefficients must be set in particular sequence.
+     * And it has to switch to a small division first before setting the target division. */
+    HAL_FORCE_MODIFY_U32_REG_FIELD(hw->rx_clkm_conf, rx_clkm_div_num, 2);
+    hw->rx_clkm_div_conf.rx_clkm_div_yn1 = 0;
+    hw->rx_clkm_div_conf.rx_clkm_div_y = 1;
+    hw->rx_clkm_div_conf.rx_clkm_div_z = 0;
+    hw->rx_clkm_div_conf.rx_clkm_div_x = 0;
+
+    /* Set the target mclk division coefficients */
+    hw->rx_clkm_div_conf.rx_clkm_div_yn1 = yn1;
+    hw->rx_clkm_div_conf.rx_clkm_div_z = z;
+    hw->rx_clkm_div_conf.rx_clkm_div_y = y;
+    hw->rx_clkm_div_conf.rx_clkm_div_x = x;
    HAL_FORCE_MODIFY_U32_REG_FIELD(hw->rx_clkm_conf, rx_clkm_div_num, div_int);
-    /* Set the decimal part of the mclk division */
-    typeof(hw->rx_clkm_div_conf) div = {};
-    div.rx_clkm_div_x = x;
-    div.rx_clkm_div_y = y;
-    div.rx_clkm_div_z = z;
-    div.rx_clkm_div_yn1 = yn1;
-    hw->rx_clkm_div_conf.val = div.val;
 }

 /**
@@ -278,12 +290,6 @@ static inline void i2s_ll_rx_set_raw_clk_div(i2s_dev_t *hw, uint32_t div_int, ui
 */
 static inline void i2s_ll_tx_set_mclk(i2s_dev_t *hw, const i2s_ll_mclk_div_t *mclk_div)
 {
-    /* Workaround for inaccurate clock while switching from a relatively low sample rate to a high sample rate
-     * Set to particular coefficients first then update to the target coefficients,
-     * otherwise the clock division might be inaccurate.
-     * the general idea is to set a value that impossible to calculate from the regular decimal */
-    i2s_ll_tx_set_raw_clk_div(hw, 7, 317, 7, 3, 0);
-
    uint32_t div_x = 0;
    uint32_t div_y = 0;
    uint32_t div_z = 0;
@@ -318,12 +324,6 @@ static inline void i2s_ll_rx_set_bck_div_num(i2s_dev_t *hw, uint32_t val)
 */
 static inline void i2s_ll_rx_set_mclk(i2s_dev_t *hw, const i2s_ll_mclk_div_t *mclk_div)
 {
-    /* Workaround for inaccurate clock while switching from a relatively low sample rate to a high sample rate
-     * Set to particular coefficients first then update to the target coefficients,
-     * otherwise the clock division might be inaccurate.
-     * the general idea is to set a value that impossible to calculate from the regular decimal */
-    i2s_ll_rx_set_raw_clk_div(hw, 7, 317, 7, 3, 0);
-
    uint32_t div_x = 0;
    uint32_t div_y = 0;
    uint32_t div_z = 0;
@@ -417,7 +417,7 @@ static inline void i2s_ll_rx_set_eof_num(i2s_dev_t *hw, int eof_num)
 }

 /**
- * @brief Congfigure TX chan bit and audio data bit
+ * @brief Configure TX chan bit and audio data bit
 *
 * @param hw Peripheral I2S hardware instance address.
 * @param chan_bit The chan bit width
@@ -430,7 +430,7 @@ static inline void i2s_ll_tx_set_sample_bit(i2s_dev_t *hw, uint8_t chan_bit, int
 }

 /**
- * @brief Congfigure RX chan bit and audio data bit
+ * @brief Configure RX chan bit and audio data bit
 *
 * @param hw Peripheral I2S hardware instance address.
 * @param chan_bit The chan bit width
@@ -733,11 +733,11 @@ static inline void i2s_ll_tx_set_pdm_fpfs(i2s_dev_t *hw, uint32_t fp, uint32_t f
 }

 /**
- * @brief Get I2S TX PDM fp configuration paramater
+ * @brief Get I2S TX PDM fp configuration parameter
 *
 * @param hw Peripheral I2S hardware instance address.
 * @return
- *        - fp configuration paramater
+ *        - fp configuration parameter
 */
 static inline uint32_t i2s_ll_tx_get_pdm_fp(i2s_dev_t *hw)
 {
@@ -745,11 +745,11 @@ static inline uint32_t i2s_ll_tx_get_pdm_fp(i2s_dev_t *hw)
 }

 /**
- * @brief Get I2S TX PDM fs configuration paramater
+ * @brief Get I2S TX PDM fs configuration parameter
 *
 * @param hw Peripheral I2S hardware instance address.
 * @return
- *        - fs configuration paramater
+ *        - fs configuration parameter
 */
 static inline uint32_t i2s_ll_tx_get_pdm_fs(i2s_dev_t *hw)
 {
@@ -870,7 +870,7 @@ static inline void i2s_ll_tx_set_pdm_sd_dither2(i2s_dev_t *hw, uint32_t dither2)
 * @brief Configure RX PDM downsample
 *
 * @param hw Peripheral I2S hardware instance address.
- * @param dsr PDM downsample configuration paramater
+ * @param dsr PDM downsample configuration parameter
 */
 static inline void i2s_ll_rx_set_pdm_dsr(i2s_dev_t *hw, i2s_pdm_dsr_t dsr)
 {
@@ -892,7 +892,7 @@ static inline void i2s_ll_rx_get_pdm_dsr(i2s_dev_t *hw, i2s_pdm_dsr_t *dsr)
 * @brief Configura TX a/u-law decompress or compress
 *
 * @param hw Peripheral I2S hardware instance address.
- * @param pcm_cfg PCM configuration paramater
+ * @param pcm_cfg PCM configuration parameter
 */
 static inline void i2s_ll_tx_set_pcm_type(i2s_dev_t *hw, i2s_pcm_compress_t pcm_cfg)
 {
@@ -904,7 +904,7 @@ static inline void i2s_ll_tx_set_pcm_type(i2s_dev_t *hw, i2s_pcm_compress_t pcm_
 * @brief Configure RX a/u-law decompress or compress
 *
 * @param hw Peripheral I2S hardware instance address.
- * @param pcm_cfg PCM configuration paramater
+ * @param pcm_cfg PCM configuration parameter
 */
 static inline void i2s_ll_rx_set_pcm_type(i2s_dev_t *hw, i2s_pcm_compress_t pcm_cfg)
 {
@@ -1076,7 +1076,7 @@ static inline void i2s_ll_tx_pdm_dma_take_mode(i2s_dev_t *hw, bool is_mono, bool
 * @param is_mono   The DMA data only has one slot (mono) or contains two slots (stereo)
 * @param is_copy   Whether the un-selected slot copies the data from the selected one
 *                  If not, the un-selected slot will transmit the data from 'conf_single_data'
- * @param mask      The slot mask to selet the slot
+ * @param mask      The slot mask to select the slot
 */
 static inline void i2s_ll_tx_pdm_slot_mode(i2s_dev_t *hw, bool is_mono, bool is_copy, i2s_pdm_slot_mask_t mask)
 {