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Commit b2b4c69f authored by Nick Kossifidis's avatar Nick Kossifidis Committed by John W. Linville
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ath5k: Tweak power detector delays on RF5111/RF5112 



 * Tweak power detector delays on AR5111/AR5112 when
 using half/quarter modes.

 Signed-off-by: default avatarNick Kossifidis <mickflemm@gmail.com>

Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 71ba1c30

drivers/net/wireless/ath/ath5k/phy.c

+30 −2
Original line number Diff line number Diff line
@@ -851,7 +851,23 @@ static int ath5k_hw_rfregs_init(struct ath5k_hw *ah, 
		ath5k_hw_rfb_op(ah, rf_regs, ee->ee_xpd[ee_mode],

						AR5K_RF_PLO_SEL, true);



		/* TODO: Half/quarter channel support */

		/* Tweak power detectors for half/quarter rate support */

		if (ah->ah_bwmode == AR5K_BWMODE_5MHZ ||

		ah->ah_bwmode == AR5K_BWMODE_10MHZ) {

			u8 wait_i;



			ath5k_hw_rfb_op(ah, rf_regs, 0x1f,

						AR5K_RF_WAIT_S, true);



			wait_i = (ah->ah_bwmode == AR5K_BWMODE_5MHZ) ?

							0x1f : 0x10;



			ath5k_hw_rfb_op(ah, rf_regs, wait_i,

						AR5K_RF_WAIT_I, true);

			ath5k_hw_rfb_op(ah, rf_regs, 3,

						AR5K_RF_MAX_TIME, true);



		}

	}



	if (ah->ah_radio == AR5K_RF5112) {
@@ -949,8 +965,20 @@ static int ath5k_hw_rfregs_init(struct ath5k_hw *ah, 
		ath5k_hw_rfb_op(ah, rf_regs, ee->ee_i_gain[ee_mode],

						AR5K_RF_GAIN_I, true);



		/* TODO: Half/quarter channel support */

		/* Tweak power detector for half/quarter rates */

		if (ah->ah_bwmode == AR5K_BWMODE_5MHZ ||

		ah->ah_bwmode == AR5K_BWMODE_10MHZ) {

			u8 pd_delay;



			pd_delay = (ah->ah_bwmode == AR5K_BWMODE_5MHZ) ?

							0xf : 0x8;



			ath5k_hw_rfb_op(ah, rf_regs, pd_delay,

						AR5K_RF_PD_PERIOD_A, true);

			ath5k_hw_rfb_op(ah, rf_regs, 0xf,

						AR5K_RF_PD_DELAY_A, true);



		}

	}



	if (ah->ah_radio == AR5K_RF5413 &&