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-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c29
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index f2446ded2a04..5adb92b387dc 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -3277,13 +3277,16 @@ static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
rt2x00_rt(rt2x00dev, RT3390) ||
rt2x00_rt(rt2x00dev, RT3572) ||
rt2x00_rt(rt2x00dev, RT5390) ||
- rt2x00_rt(rt2x00dev, RT5392))
+ rt2x00_rt(rt2x00dev, RT5392) ||
+ rt2x00_rt(rt2x00dev, RT5592))
vgc = 0x1c + (2 * rt2x00dev->lna_gain);
else
vgc = 0x2e + rt2x00dev->lna_gain;
} else { /* 5GHZ band */
if (rt2x00_rt(rt2x00dev, RT3572))
vgc = 0x22 + (rt2x00dev->lna_gain * 5) / 3;
+ else if (rt2x00_rt(rt2x00dev, RT5592))
+ vgc = 0x24 + (2 * rt2x00dev->lna_gain);
else {
if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
vgc = 0x32 + (rt2x00dev->lna_gain * 5) / 3;
@@ -3299,7 +3302,11 @@ static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
struct link_qual *qual, u8 vgc_level)
{
if (qual->vgc_level != vgc_level) {
- rt2800_bbp_write(rt2x00dev, 66, vgc_level);
+ if (rt2x00_rt(rt2x00dev, RT5592)) {
+ rt2800_bbp_write(rt2x00dev, 83, qual->rssi > -65 ? 0x4a : 0x7a);
+ rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, vgc_level);
+ } else
+ rt2800_bbp_write(rt2x00dev, 66, vgc_level);
qual->vgc_level = vgc_level;
qual->vgc_level_reg = vgc_level;
}
@@ -3314,15 +3321,23 @@ EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
const u32 count)
{
+ u8 vgc;
+
if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C))
return;
-
/*
- * When RSSI is better then -80 increase VGC level with 0x10
+ * When RSSI is better then -80 increase VGC level with 0x10, except
+ * for rt5592 chip.
*/
- rt2800_set_vgc(rt2x00dev, qual,
- rt2800_get_default_vgc(rt2x00dev) +
- ((qual->rssi > -80) * 0x10));
+
+ vgc = rt2800_get_default_vgc(rt2x00dev);
+
+ if (rt2x00_rt(rt2x00dev, RT5592) && qual->rssi > -65)
+ vgc += 0x20;
+ else if (qual->rssi > -80)
+ vgc += 0x10;
+
+ rt2800_set_vgc(rt2x00dev, qual, vgc);
}
EXPORT_SYMBOL_GPL(rt2800_link_tuner);