diff options
| author | Nick Kossifidis <mick@madwifi-project.org> | 2009-08-10 02:27:59 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-08-14 15:13:56 +0200 |
| commit | d1cb0bdac180a4afdd3c001acb2618d2a62d9abe (patch) | |
| tree | c27715544627c038bbf5f032a46a864342ab8394 /drivers/net/wireless/ath | |
| parent | ath5k: Check EEPROM before tweaking SERDES (diff) | |
| download | linux-d1cb0bdac180a4afdd3c001acb2618d2a62d9abe.tar.xz linux-d1cb0bdac180a4afdd3c001acb2618d2a62d9abe.zip | |
ath5k: Linear PCDAC code fixes
* Set correct xpd curve indices for high/low gain curves during
rfbuffer setup on RF5112B with both calibration curves available.
* Don't return zero min power when we have the same pcdac value
twice because it breaks interpolation. Instead return the right
x barrier as we do when we have equal power levels for 2 different
pcdac values.
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Acked-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/phy.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c index 2075ba993966..6afba98f6adb 100644 --- a/drivers/net/wireless/ath/ath5k/phy.c +++ b/drivers/net/wireless/ath/ath5k/phy.c @@ -740,13 +740,22 @@ int ath5k_hw_rfregs_init(struct ath5k_hw *ah, struct ieee80211_channel *channel, AR5K_RF_XPD_GAIN, true); } else { - /* TODO: Set high and low gain bits */ - ath5k_hw_rfb_op(ah, rf_regs, - ee->ee_x_gain[ee_mode], + u8 *pdg_curve_to_idx = ee->ee_pdc_to_idx[ee_mode]; + if (ee->ee_pd_gains[ee_mode] > 1) { + ath5k_hw_rfb_op(ah, rf_regs, + pdg_curve_to_idx[0], AR5K_RF_PD_GAIN_LO, true); - ath5k_hw_rfb_op(ah, rf_regs, - ee->ee_x_gain[ee_mode], + ath5k_hw_rfb_op(ah, rf_regs, + pdg_curve_to_idx[1], AR5K_RF_PD_GAIN_HI, true); + } else { + ath5k_hw_rfb_op(ah, rf_regs, + pdg_curve_to_idx[0], + AR5K_RF_PD_GAIN_LO, true); + ath5k_hw_rfb_op(ah, rf_regs, + pdg_curve_to_idx[0], + AR5K_RF_PD_GAIN_HI, true); + } /* Lower synth voltage on Rev 2 */ ath5k_hw_rfb_op(ah, rf_regs, 2, @@ -1896,8 +1905,9 @@ ath5k_get_linear_pcdac_min(const u8 *stepL, const u8 *stepR, s16 min_pwrL, min_pwrR; s16 pwr_i; - if (WARN_ON(stepL[0] == stepL[1] || stepR[0] == stepR[1])) - return 0; + /* Some vendors write the same pcdac value twice !!! */ + if (stepL[0] == stepL[1] || stepR[0] == stepR[1]) + return max(pwrL[0], pwrR[0]); if (pwrL[0] == pwrL[1]) min_pwrL = pwrL[0]; |