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ath9k_hw: Fix fixed antenna for AR9462

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

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2013-03-04 12:42:55 +05:30 committed by John W. Linville
parent 16329ff029
commit ef95e58def
1 changed files with 17 additions and 0 deletions
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17
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
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@ -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)) {