From 14a6b1db565d98db13fd304009be5327d603eced Mon Sep 17 00:00:00 2001
From: Wu Bo Wen <wubowen@espressif.com>
Date: Wed, 29 Jul 2020 17:55:28 +0800
Subject: [PATCH] driver/mcpwm: add an option to capture on both edges.

However, The functionality of capturing on both edges is alternatively done with passing in the two flags ORed together: MCPWM_NEG_EDGE|MCPWM_POS_EDGE

closes https://github.com/espressif/esp-idf/issues/4446
closes https://github.com/espressif/esp-idf/issues/2943
---
 components/soc/include/hal/mcpwm_types.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/components/soc/include/hal/mcpwm_types.h b/components/soc/include/hal/mcpwm_types.h
index ca9052de49..aac08da02d 100644
--- a/components/soc/include/hal/mcpwm_types.h
+++ b/components/soc/include/hal/mcpwm_types.h
@@ -81,6 +81,7 @@ typedef enum {
  * @brief MCPWM select capture starts from which edge
  */
 typedef enum {
-    MCPWM_NEG_EDGE = BIT(0),  /*!<Capture the negative edge*/
-    MCPWM_POS_EDGE = BIT(1),  /*!<Capture the positive edge*/
+    MCPWM_NEG_EDGE = BIT(0),          /*!<Capture the negative edge*/
+    MCPWM_POS_EDGE = BIT(1),          /*!<Capture the positive edge*/
+    MCPWM_BOTH_EDGE = BIT(1)|BIT(0),  /*!<Capture both edges*/
 } mcpwm_capture_on_edge_t;