From 379320bdb2d62e3ef1298f2230f7eeb3d07977d6 Mon Sep 17 00:00:00 2001
From: Kewal Shah <kewal@espressif.com>
Date: Wed, 17 May 2017 13:12:46 +0800
Subject: [PATCH] change to GPIO_IS_VALID_OUTPUT_GPIO for data out pin

---
 components/driver/i2s.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/driver/i2s.c b/components/driver/i2s.c
index 389afbeff..5f7447f67 100644
--- a/components/driver/i2s.c
+++ b/components/driver/i2s.c
@@ -568,7 +568,7 @@ esp_err_t i2s_set_pin(i2s_port_t i2s_num, const i2s_pin_config_t *pin)
         ESP_LOGE(I2S_TAG, "ws_io_num error");
         return ESP_FAIL;
     }
-    if (pin->data_out_num != -1 && !GPIO_IS_VALID_GPIO(pin->data_out_num)) {
+    if (pin->data_out_num != -1 && !GPIO_IS_VALID_OUTPUT_GPIO(pin->data_out_num)) {
         ESP_LOGE(I2S_TAG, "data_out_num error");
         return ESP_FAIL;
     }