Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ef95e58d authored by Sujith Manoharan's avatar Sujith Manoharan Committed by John W. Linville
Browse files

ath9k_hw: Fix fixed antenna for AR9462 



When the RX chainmask is set to 0x2 for AR9462, certain values
from chain1 have to be programmed for chain0 also.

Signed-off-by: default avatarSujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 16329ff0

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c

+17 −0
Original line number Diff line number Diff line
@@ -3606,6 +3606,12 @@ static void ar9003_hw_ant_ctrl_apply(struct ath_hw *ah, bool is2ghz) 
	value = ar9003_hw_ant_ctrl_common_2_get(ah, is2ghz);

	REG_RMW_FIELD(ah, AR_PHY_SWITCH_COM_2, AR_SWITCH_TABLE_COM2_ALL, value);



	if ((AR_SREV_9462(ah)) && (ah->rxchainmask == 0x2)) {

		value = ar9003_hw_ant_ctrl_chain_get(ah, 1, is2ghz);

		REG_RMW_FIELD(ah, switch_chain_reg[0],

			      AR_SWITCH_TABLE_ALL, value);

	}



	for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {

		if ((ah->rxchainmask & BIT(chain)) ||

		    (ah->txchainmask & BIT(chain))) {
@@ -3772,6 +3778,17 @@ static void ar9003_hw_atten_apply(struct ath_hw *ah, struct ath9k_channel *chan) 
					  AR_PHY_EXT_ATTEN_CTL_2,

					 };



	if ((AR_SREV_9462(ah)) && (ah->rxchainmask == 0x2)) {

		value = ar9003_hw_atten_chain_get(ah, 1, chan);

		REG_RMW_FIELD(ah, ext_atten_reg[0],

			      AR_PHY_EXT_ATTEN_CTL_XATTEN1_DB, value);



		value = ar9003_hw_atten_chain_get_margin(ah, 1, chan);

		REG_RMW_FIELD(ah, ext_atten_reg[0],

			      AR_PHY_EXT_ATTEN_CTL_XATTEN1_MARGIN,

			      value);

	}



	/* Test value. if 0 then attenuation is unused. Don't load anything. */

	for (i = 0; i < 3; i++) {

		if (ah->txchainmask & BIT(i)) {