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

Commit d3b371cb authored by Sujith Manoharan's avatar Sujith Manoharan Committed by John W. Linville
Browse files

ath9k: Fix regulatory compliance for AR9462/AR9565 



Adjust the CCA values based on the regulatory domain
present in the EEPROM.

Signed-off-by: default avatarSujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 3fcdd0a1

drivers/net/wireless/ath/ath9k/ar9003_phy.h

+4 −0
Original line number Diff line number Diff line
@@ -343,8 +343,12 @@ 


#define AR_PHY_CCA_NOM_VAL_9462_2GHZ          -127

#define AR_PHY_CCA_MIN_GOOD_VAL_9462_2GHZ     -127

#define AR_PHY_CCA_MAX_GOOD_VAL_9462_2GHZ     -60

#define AR_PHY_CCA_MAX_GOOD_VAL_9462_FCC_2GHZ -95

#define AR_PHY_CCA_NOM_VAL_9462_5GHZ          -127

#define AR_PHY_CCA_MIN_GOOD_VAL_9462_5GHZ     -127

#define AR_PHY_CCA_MAX_GOOD_VAL_9462_5GHZ     -60

#define AR_PHY_CCA_MAX_GOOD_VAL_9462_FCC_5GHZ -100



#define AR_PHY_CCA_NOM_VAL_9330_2GHZ          -118

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

+12 −0
Original line number Diff line number Diff line
@@ -549,6 +549,18 @@ static int ath9k_hw_post_init(struct ath_hw *ah) 


	ath9k_hw_ani_init(ah);



	/*

	 * EEPROM needs to be initialized before we do this.

	 * This is required for regulatory compliance.

	 */

	if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) {

		u16 regdmn = ah->eep_ops->get_eeprom(ah, EEP_REG_0);

		if ((regdmn & 0xF0) == CTL_FCC) {

			ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9462_FCC_2GHZ;

			ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9462_FCC_5GHZ;

		}

	}



	return 0;

}