summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/ath/ath9k/eeprom_9287.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/eeprom_9287.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/eeprom_9287.c33
1 files changed, 6 insertions, 27 deletions
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
index 6698b722b604..90d771fa2dea 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -336,6 +336,9 @@ static u32 ath9k_hw_ar9287_get_eeprom(struct ath_hw *ah,
return pBase->tempSensSlopePalOn;
else
return 0;
+ case EEP_ANTENNA_GAIN_2G:
+ return max_t(u8, pModal->antennaGainCh[0],
+ pModal->antennaGainCh[1]);
default:
return 0;
}
@@ -554,8 +557,7 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah,
struct ath9k_channel *chan,
int16_t *ratesArray,
u16 cfgCtl,
- u16 AntennaReduction,
- u16 twiceMaxRegulatoryPower,
+ u16 antenna_reduction,
u16 powerLimit)
{
#define CMP_CTL \
@@ -569,12 +571,8 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah,
#define REDUCE_SCALED_POWER_BY_TWO_CHAIN 6
#define REDUCE_SCALED_POWER_BY_THREE_CHAIN 10
- struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
u16 twiceMaxEdgePower = MAX_RATE_POWER;
- static const u16 tpScaleReductionTable[5] =
- { 0, 3, 6, 9, MAX_RATE_POWER };
int i;
- int16_t twiceLargestAntenna;
struct cal_ctl_data_ar9287 *rep;
struct cal_target_power_leg targetPowerOfdm = {0, {0, 0, 0, 0} },
targetPowerCck = {0, {0, 0, 0, 0} };
@@ -582,7 +580,7 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah,
targetPowerCckExt = {0, {0, 0, 0, 0} };
struct cal_target_power_ht targetPowerHt20,
targetPowerHt40 = {0, {0, 0, 0, 0} };
- u16 scaledPower = 0, minCtlPower, maxRegAllowedPower;
+ u16 scaledPower = 0, minCtlPower;
static const u16 ctlModesFor11g[] = {
CTL_11B, CTL_11G, CTL_2GHT20,
CTL_11B_EXT, CTL_11G_EXT, CTL_2GHT40
@@ -597,24 +595,7 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah,
tx_chainmask = ah->txchainmask;
ath9k_hw_get_channel_centers(ah, chan, &centers);
-
- /* Compute TxPower reduction due to Antenna Gain */
- twiceLargestAntenna = max(pEepData->modalHeader.antennaGainCh[0],
- pEepData->modalHeader.antennaGainCh[1]);
- twiceLargestAntenna = (int16_t)min((AntennaReduction) -
- twiceLargestAntenna, 0);
-
- /*
- * scaledPower is the minimum of the user input power level
- * and the regulatory allowed power level.
- */
- maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna;
-
- if (regulatory->tp_scale != ATH9K_TP_SCALE_MAX)
- maxRegAllowedPower -=
- (tpScaleReductionTable[(regulatory->tp_scale)] * 2);
-
- scaledPower = min(powerLimit, maxRegAllowedPower);
+ scaledPower = powerLimit - antenna_reduction;
/*
* Reduce scaled Power by number of chains active
@@ -815,7 +796,6 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah,
static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah,
struct ath9k_channel *chan, u16 cfgCtl,
u8 twiceAntennaReduction,
- u8 twiceMaxRegulatoryPower,
u8 powerLimit, bool test)
{
struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
@@ -834,7 +814,6 @@ static void ath9k_hw_ar9287_set_txpower(struct ath_hw *ah,
ath9k_hw_set_ar9287_power_per_rate_table(ah, chan,
&ratesArray[0], cfgCtl,
twiceAntennaReduction,
- twiceMaxRegulatoryPower,
powerLimit);
ath9k_hw_set_ar9287_power_cal_table(ah, chan);