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ath5k: Fix I/Q calibration

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The sign of correction coefficients was lost in the calculations, which
caused high packetloss in 802.11a mode after the results were applied.
Fixed by removing unneccesary and broken AND with a bit mask.

Signed-off-by: Lukas Turek <8an@praha12.net>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Lukáš Turek 2009-11-19 23:02:02 +01:00 committed by John W. Linville
parent 98e3ac99e2
commit f1cf2dbd0f
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/ath/ath5k/phy.c
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@ -1399,7 +1399,7 @@ static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
if (i_coffd == 0 || q_coffd == 0)
goto done;
i_coff = ((-iq_corr) / i_coffd) & 0x3f;
i_coff = ((-iq_corr) / i_coffd);
/* Boundary check */
if (i_coff > 31)
@ -1407,7 +1407,7 @@ 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) & 0x1f;
q_coff = (((s32)i_pwr / q_coffd) - 128);
/* Boundary check */
if (q_coff > 15)