rt2800: radio 3xxx: program RF_R1 during channel switch
Synchronize code with Ralink driver:
2011_0719_RT3070_RT3370_RT5370_RT5372_Linux_STA_V2.5.0.3_DPO
Based on functions:
RT33xx_ChipSwitchChannel
RT30xx_ChipSwitchChannel
RT33xx_Init
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
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 006347e..1bdf1ec 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1665,6 +1665,40 @@
rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2);
rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
+ rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
+ if (rt2x00_rt(rt2x00dev, RT3390)) {
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
+ rt2x00dev->default_ant.rx_chain_num == 1);
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
+ rt2x00dev->default_ant.tx_chain_num == 1);
+ } else {
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
+
+ switch (rt2x00dev->default_ant.tx_chain_num) {
+ case 1:
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
+ /* fall through */
+ case 2:
+ rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
+ break;
+ }
+
+ switch (rt2x00dev->default_ant.rx_chain_num) {
+ case 1:
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
+ /* fall through */
+ case 2:
+ rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
+ break;
+ }
+ }
+ rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
+
rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);