From 5cddb3c2d5102d9a6b1b809e1518da54c8be8296 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Mon, 8 Jul 2013 16:08:22 +0200 Subject: [PATCH] rt2x00: rt2800lib: fix antenna configuration for RT3593 On the RT3593 chipset, BBP register 86 must be configured by different values based on the RX antenna numbers. Configure this register from the 'rt2800_config_ant' function. Based on the Ralink DPO_RT5572_LinuxSTA_2.6.0.1_20120629 driver. Reference: RT3593_CONFIG_SET_BY_ANTENNA in include/chip/rt3593.h Signed-off-by: Gabor Juhos Acked-by: Stanislaw Gruszka Acked-by: Gertjan van Wingerde Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2800lib.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 1a6a4eb25202..958215c44485 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -1803,6 +1803,13 @@ void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant) rt2800_bbp_write(rt2x00dev, 3, r3); rt2800_bbp_write(rt2x00dev, 1, r1); + + if (rt2x00_rt(rt2x00dev, RT3593)) { + if (ant->rx_chain_num == 1) + rt2800_bbp_write(rt2x00dev, 86, 0x00); + else + rt2800_bbp_write(rt2x00dev, 86, 0x46); + } } EXPORT_SYMBOL_GPL(rt2800_config_ant); -- 2.20.1