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path: root/package/kernel/mac80211/patches/652-0030-rtl8xxxu-Initialize-GPIO-settings-for-8188eu.patch
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From b7472848032d36e227711d0381a58cc3114f1b33 Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Fri, 22 Jul 2016 12:56:30 -0400
Subject: [PATCH] rtl8xxxu: Initialize GPIO settings for 8188eu

This matches what the vendor driver does, but is actually opposite of
what it does for 8192eu.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
---
 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 7 +++++++
 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h | 1 +
 2 files changed, 8 insertions(+)

--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -4206,6 +4206,13 @@ static int rtl8xxxu_init_device(struct i
 		 * Reset USB mode switch setting
 		 */
 		rtl8xxxu_write8(priv, REG_ACLK_MON, 0x00);
+	} else if (priv->rtl_chip == RTL8188E) {
+		/*
+		 * Init GPIO settings for 8188e
+		 */
+		val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG);
+		val8 &= ~GPIO_MUXCFG_IO_SEL_ENBT;
+		rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8);
 	}
 
 	rtl8723a_phy_lc_calibrate(priv);
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
@@ -143,6 +143,7 @@
 #define REG_CAL_TIMER			0x003c
 #define REG_ACLK_MON			0x003e
 #define REG_GPIO_MUXCFG			0x0040
+#define  GPIO_MUXCFG_IO_SEL_ENBT	BIT(5)
 #define REG_GPIO_IO_SEL			0x0042
 #define REG_MAC_PINMUX_CFG		0x0043
 #define REG_GPIO_PIN_CTRL		0x0044