fix(i2s): add check for the minimum sample rate

Closes #15659

Author: L-KAYA

components/esp_driver_i2s/i2s_pdm.c

@@ -56,7 +56,7 @@ static esp_err_t i2s_pdm_tx_calculate_clock(i2s_chan_handle_t handle, const i2s_
     clk_info->mclk_div = clk_info->sclk / clk_info->mclk;
 
     /* Check if the configuration is correct. Use float for check in case the mclk division might be carried up in the fine division calculation */
-    ESP_RETURN_ON_FALSE(clk_info->sclk / (float)clk_info->mclk > 1.99, ESP_ERR_INVALID_ARG, TAG, "sample rate is too large");
+    ESP_RETURN_ON_FALSE((float)clk_info->sclk > clk_info->mclk * 1.99, ESP_ERR_INVALID_ARG, TAG, "sample rate is too large");
     ESP_RETURN_ON_FALSE(clk_info->mclk_div < 256, ESP_ERR_INVALID_ARG, TAG, "sample rate is too small");
 #if SOC_I2S_SUPPORTS_PCM2PDM
     if (!handle->is_raw_pdm) {
@@ -386,7 +386,8 @@ static esp_err_t i2s_pdm_rx_calculate_clock(i2s_chan_handle_t handle, const i2s_
     clk_info->mclk_div = clk_info->sclk / clk_info->mclk;
 
     /* Check if the configuration is correct. Use float for check in case the mclk division might be carried up in the fine division calculation */
-    ESP_RETURN_ON_FALSE(clk_info->sclk / (float)clk_info->mclk > 1.99, ESP_ERR_INVALID_ARG, TAG, "sample rate is too large");
+    ESP_RETURN_ON_FALSE((float)clk_info->sclk > clk_info->mclk * 1.99, ESP_ERR_INVALID_ARG, TAG, "sample rate is too large");
+    ESP_RETURN_ON_FALSE(clk_info->mclk_div < I2S_LL_CLK_FRAC_DIV_N_MAX, ESP_ERR_INVALID_ARG, TAG, "sample rate is too small");
 #if SOC_I2S_SUPPORTS_PDM2PCM
     if (!handle->is_raw_pdm) {
         /* Set down-sampling configuration */

components/esp_driver_i2s/i2s_std.c

@@ -60,7 +60,8 @@ static esp_err_t i2s_std_calculate_clock(i2s_chan_handle_t handle, const i2s_std
     clk_info->mclk_div = clk_info->sclk / clk_info->mclk;
 
     /* Check if the configuration is correct. Use float for check in case the mclk division might be carried up in the fine division calculation */
-    ESP_RETURN_ON_FALSE(clk_info->sclk / (float)clk_info->mclk > min_mclk_div, ESP_ERR_INVALID_ARG, TAG, "sample rate or mclk_multiple is too large for the current clock source");
+    ESP_RETURN_ON_FALSE((float)clk_info->sclk > clk_info->mclk * min_mclk_div, ESP_ERR_INVALID_ARG, TAG, "sample rate is too large");
+    ESP_RETURN_ON_FALSE(clk_info->mclk_div < I2S_LL_CLK_FRAC_DIV_N_MAX, ESP_ERR_INVALID_ARG, TAG, "sample rate is too small");
 
     return ESP_OK;
 }

components/esp_driver_i2s/i2s_tdm.c

@@ -66,7 +66,8 @@ static esp_err_t i2s_tdm_calculate_clock(i2s_chan_handle_t handle, const i2s_tdm
     clk_info->mclk_div = clk_info->sclk / clk_info->mclk;
 
     /* Check if the configuration is correct. Use float for check in case the mclk division might be carried up in the fine division calculation */
-    ESP_RETURN_ON_FALSE(clk_info->sclk / (float)clk_info->mclk > min_mclk_div, ESP_ERR_INVALID_ARG, TAG, "sample rate or mclk_multiple is too large for the current clock source");
+    ESP_RETURN_ON_FALSE((float)clk_info->sclk > clk_info->mclk * min_mclk_div, ESP_ERR_INVALID_ARG, TAG, "sample rate is too large");
+    ESP_RETURN_ON_FALSE(clk_info->mclk_div < I2S_LL_CLK_FRAC_DIV_N_MAX, ESP_ERR_INVALID_ARG, TAG, "sample rate is too small");
 
     return ESP_OK;
 }