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Commit 49a85d21 authored by Bruno Randolf's avatar Bruno Randolf Committed by John W. Linville
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ath5k: IQ calibration for AR5211 is slightly different 



according to the HAL sources the calculation of the Q value is slightly
different for AR5211 chips.

i couldn't test this since IQ calibration never finishes on older parts. this
is a different problem...

Signed-off-by: default avatarBruno Randolf <br1@einfach.org>
Acked-by: default avatarNick Kossifidis <mickflemm@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 7644395f

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

+9 −2
Original line number Diff line number Diff line
@@ -1391,6 +1391,10 @@ static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah, 
	}



	i_coffd = ((i_pwr >> 1) + (q_pwr >> 1)) >> 7;



	if (ah->ah_version == AR5K_AR5211)

		q_coffd = q_pwr >> 6;

	else

		q_coffd = q_pwr >> 7;



	/* No correction */
@@ -1405,7 +1409,10 @@ static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah, 
	if (i_coff < -32)

		i_coff = -32;



	q_coff = (((s32)i_pwr / q_coffd) - 128);

	if (ah->ah_version == AR5K_AR5211)

		q_coff = (i_pwr / q_coffd) - 64;

	else

		q_coff = (i_pwr / q_coffd) - 128;



	/* Boundary check */

	if (q_coff > 15)