ath9k: Fix bugs in handling TX power
* Get power table offset from the EEPROM instead of using
a hardcoded value of -5 if the EEPROM rev is >= 21.
* Add support in the 4k eeprom code for tx power offset
in case we have a 4k AR9280 implementation.
* Fix tx power accuracy at high powers.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h
index 3349274..2f2993b 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/eeprom.h
@@ -134,6 +134,7 @@
#define AR5416_EEP_MINOR_VER_17 0x11
#define AR5416_EEP_MINOR_VER_19 0x13
#define AR5416_EEP_MINOR_VER_20 0x14
+#define AR5416_EEP_MINOR_VER_21 0x15
#define AR5416_EEP_MINOR_VER_22 0x16
#define AR5416_NUM_5G_CAL_PIERS 8
@@ -154,7 +155,7 @@
#define AR5416_BCHAN_UNUSED 0xFF
#define AR5416_MAX_PWR_RANGE_IN_HALF_DB 64
#define AR5416_MAX_CHAINS 3
-#define AR5416_PWR_TABLE_OFFSET -5
+#define AR5416_PWR_TABLE_OFFSET_DB -5
/* Rx gain type values */
#define AR5416_EEP_RXGAIN_23DB_BACKOFF 0
@@ -302,7 +303,7 @@
u8 txGainType;
u8 rcChainMask;
u8 desiredScaleCCK;
- u8 power_table_offset;
+ u8 pwr_table_offset;
u8 frac_n_5g;
u8 futureBase_3[21];
} __packed;