ath9k_hw: Calculate the correct training power for PAPRD
Assign the training power for PAPRD based on the chip.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
index aea1908..09c1f9d 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
@@ -74,15 +74,23 @@
unsigned int power, scale, delta;
scale = ar9003_get_paprd_scale_factor(ah, chan);
- power = REG_READ_FIELD(ah, AR_PHY_POWERTX_RATE5,
- AR_PHY_POWERTX_RATE5_POWERTXHT20_0);
- delta = abs((int) ah->paprd_target_power - (int) power);
- if (delta > scale)
- return -1;
+ if (AR_SREV_9330(ah) || AR_SREV_9340(ah) ||
+ AR_SREV_9462(ah) || AR_SREV_9565(ah)) {
+ power = ah->paprd_target_power + 2;
+ } else if (AR_SREV_9485(ah)) {
+ power = 25;
+ } else {
+ power = REG_READ_FIELD(ah, AR_PHY_POWERTX_RATE5,
+ AR_PHY_POWERTX_RATE5_POWERTXHT20_0);
- if (delta < 4)
- power -= 4 - delta;
+ delta = abs((int) ah->paprd_target_power - (int) power);
+ if (delta > scale)
+ return -1;
+
+ if (delta < 4)
+ power -= 4 - delta;
+ }
return power;
}