From: Angus Gratton <angus@espressif.com>
Date: Fri, 25 May 2018 04:53:03 +0000 (+1000)
Subject: soc: rtc_vddsdio_get_config() In default configuration, VDD_SDIO LDO is always enabled
X-Git-Tag: v3.1-beta1~77^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3e1a93e5a747c088414dd74891ff681b77f20f11;p=esp-idf

soc: rtc_vddsdio_get_config() In default configuration, VDD_SDIO LDO is always enabled

When using bootstrapping pin to enable VDD_SDIO, the internal LDO is always enabled at either 1.8V
or 3.3V.
---

diff --git a/components/soc/esp32/rtc_init.c b/components/soc/esp32/rtc_init.c
index 0fa5d8687d..7236225d43 100644
--- a/components/soc/esp32/rtc_init.c
+++ b/components/soc/esp32/rtc_init.c
@@ -133,7 +133,7 @@ rtc_vddsdio_config_t rtc_vddsdio_get_config()
     uint32_t strap_reg = REG_READ(GPIO_STRAP_REG);
     result.force = 0;
     result.tieh = (strap_reg & BIT(5)) ? RTC_VDDSDIO_TIEH_1_8V : RTC_VDDSDIO_TIEH_3_3V;
-    result.enable = result.tieh == RTC_VDDSDIO_TIEH_1_8V; // only power on the regulator if VDD=1.8
+    result.enable = 1;
     return result;
 }