fix(mcpwm): reset GPIO used by generator after delete

Closes #12980
espressif · Feb 1, 2024 · d4db160 · d4db160
1 parent 4ecc978
commit d4db160
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/components/driver/mcpwm/Kconfig.mcpwm b/components/driver/mcpwm/Kconfig.mcpwm
@@ -17,7 +17,7 @@ menu "MCPWM Configuration"
             Enabling this option can improve driver performance as well.
 
     config MCPWM_SUPPRESS_DEPRECATE_WARN
-        bool "Suppress leagcy driver deprecated warning"
+        bool "Suppress legacy driver deprecated warning"
         default n
         help
             Wether to suppress the deprecation warnings when using legacy MCPWM driver (driver/mcpwm.h).

diff --git a/components/driver/mcpwm/mcpwm_gen.c b/components/driver/mcpwm/mcpwm_gen.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -118,6 +118,8 @@ esp_err_t mcpwm_del_generator(mcpwm_gen_handle_t gen)
     mcpwm_group_t *group = oper->group;
 
     ESP_LOGD(TAG, "del generator (%d,%d,%d)", group->group_id, oper->oper_id, gen->gen_id);
+    // reset GPIO
+    gpio_reset_pin(gen->gen_gpio_num);
     // recycle memory resource
     ESP_RETURN_ON_ERROR(mcpwm_generator_destroy(gen), TAG, "destroy generator failed");
     return ESP_OK;