rt2x00: rt2800lib: fix default VGC values for RT3593

Update the rt2800_get_default_vgc function to use the same VGC
values that the DPO_RT5572_LinuxSTA_2.6.1.3_20121022 reference
driver uses.

References:
  RT35xx_ChipAGCAdjust in chips/rt35xx.c
  RT3593_R66_MID_LOW_SENS_GET macro in include/chip/rt3593.h
  RT3593_R66_NON_MID_LOW_SEMS_GET macro in include/chips/rt3593.h

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 6163f87374fdc8f83c9529a409f8634ea94e0c59..eff0f56cf618d59556accd8bf9928d26169f9793 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -4413,6 +4413,7 @@ static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
                    rt2x00_rt(rt2x00dev, RT3290) ||
                    rt2x00_rt(rt2x00dev, RT3390) ||
                    rt2x00_rt(rt2x00dev, RT3572) ||
+                   rt2x00_rt(rt2x00dev, RT3593) ||
                    rt2x00_rt(rt2x00dev, RT5390) ||
                    rt2x00_rt(rt2x00dev, RT5392) ||
                    rt2x00_rt(rt2x00dev, RT5592))
@@ -4422,6 +4423,8 @@ static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
        } else { /* 5GHZ band */
                if (rt2x00_rt(rt2x00dev, RT3572))
                        vgc = 0x22 + (rt2x00dev->lna_gain * 5) / 3;
+               else if (rt2x00_rt(rt2x00dev, RT3593))
+                       vgc = 0x20 + (rt2x00dev->lna_gain * 5) / 3;
                else if (rt2x00_rt(rt2x00dev, RT5592))
                        vgc = 0x24 + (2 * rt2x00dev->lna_gain);
                else {