ath9k_hw: Add a HW callback to set diversity
This patch adds a new callback to handle WLAN RX diversity for
AR9565.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 8d434df..e65aad0 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3629,6 +3629,16 @@
/* enable_lnadiv */
regval &= (~AR_PHY_ANT_DIV_LNADIV);
regval |= ((value >> 6) & 0x1) << AR_PHY_ANT_DIV_LNADIV_S;
+
+ if (AR_SREV_9565(ah)) {
+ if (ah->shared_chain_lnadiv) {
+ regval |= (1 << AR_PHY_ANT_SW_RX_PROT_S);
+ } else {
+ regval &= ~(1 << AR_PHY_ANT_DIV_LNADIV_S);
+ regval &= ~(1 << AR_PHY_ANT_SW_RX_PROT_S);
+ }
+ }
+
REG_WRITE(ah, AR_PHY_MC_GAIN_CTRL, regval);
/*enable fast_div */