From: Mohammed Shafi Shajakhan Date: Fri, 13 May 2011 14:59:31 +0000 (+0530) Subject: ath9k_hw: enable Antenna diversity for AR9485 X-Git-Tag: MMI-PSA29.97-13-9~19291^2~16^2~72 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=21d2c63a2866a47030803de3db9b4e8759806095;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git ath9k_hw: enable Antenna diversity for AR9485 read antenna diversity and combining information from the EEPROM. Enable antenna diversity/combining feature only when both LNA diversity and fast diversity are supported Cc: Gabriel Tseng Cc: Senthilkumar Balasubramanian Tested-by: Mohammed Shafi Shajakhan Signed-off-by: Mohammed Shafi Shajakhan Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 58f3d4210338..b75b5dca4e29 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2022,6 +2022,22 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) } + if (AR_SREV_9485(ah)) { + ant_div_ctl1 = ah->eep_ops->get_eeprom(ah, EEP_ANT_DIV_CTL1); + /* + * enable the diversity-combining algorithm only when + * both enable_lna_div and enable_fast_div are set + * Table for Diversity + * ant_div_alt_lnaconf bit 0-1 + * ant_div_main_lnaconf bit 2-3 + * ant_div_alt_gaintb bit 4 + * ant_div_main_gaintb bit 5 + * enable_ant_div_lnadiv bit 6 + * enable_ant_fast_div bit 7 + */ + if ((ant_div_ctl1 >> 0x6) == 0x3) + pCap->hw_caps |= ATH9K_HW_CAP_ANT_DIV_COMB; + } if (AR_SREV_9485_10(ah)) { pCap->pcie_lcr_extsync_en = true;