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path: root/package/kernel/mac80211/patches/600-0029-rt2x00-rt2800lib-fix-VGC-setup-for-RT3883.patch
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From c49b2d829aa1c816a46a577cdec6d2ff14d9f06e Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Tue, 1 Oct 2013 15:40:08 +0200
Subject: [PATCH] rt2x00: rt2800lib: fix VGC setup for RT3883

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
 drivers/net/wireless/rt2x00/rt2800lib.c |   11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -4835,7 +4835,8 @@ static u8 rt2800_get_default_vgc(struct
 		else
 			vgc = 0x2e + rt2x00dev->lna_gain;
 	} else { /* 5GHZ band */
-		if (rt2x00_rt(rt2x00dev, RT3593))
+		if (rt2x00_rt(rt2x00dev, RT3593) ||
+		    rt2x00_rt(rt2x00dev, RT3883))
 			vgc = 0x20 + (rt2x00dev->lna_gain * 5) / 3;
 		else if (rt2x00_rt(rt2x00dev, RT5592))
 			vgc = 0x24 + (2 * rt2x00dev->lna_gain);
@@ -4855,7 +4856,8 @@ static inline void rt2800_set_vgc(struct
 {
 	if (qual->vgc_level != vgc_level) {
 		if (rt2x00_rt(rt2x00dev, RT3572) ||
-		    rt2x00_rt(rt2x00dev, RT3593)) {
+		    rt2x00_rt(rt2x00dev, RT3593) ||
+		    rt2x00_rt(rt2x00dev, RT3883)) {
 			rt2800_bbp_write_with_rx_chain(rt2x00dev, 66,
 						       vgc_level);
 		} else if (rt2x00_rt(rt2x00dev, RT5592)) {
@@ -4902,6 +4904,11 @@ void rt2800_link_tuner(struct rt2x00_dev
 		}
 		break;
 
+	case RT3883:
+		if (qual->rssi > -65)
+			vgc += 0x10;
+		break;
+
 	case RT5592:
 		if (qual->rssi > -65)
 			vgc += 0x20;