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ath9k_hw: clean up tx power handling

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The code for handling various restrictions concerning regulatory limits,
antenna gain, etc. is very convoluted and duplicated across various
EEPROM parsing implementations, making it hard to review.

This patch partially cleans up the mess by unifying regulatory limit
handling in one function and simplifying handling of antenna gain.
It also removes unused transmit power scaling arrays from the EEPROM code,
which belonged to an unimplemented API that isn't supposed to be in
the driver anyway.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau
2011-10-08 20:06:20 +02:00
committed by John W. Linville
parent 72d874c67c
commit ca2c68cc7b
13 changed files with 88 additions and 179 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/net/wireless/ath/ath9k/eeprom.h
View File

@@ -248,7 +248,9 @@ enum eeprom_param {
EEP_PAPRD,
EEP_MODAL_VER,
EEP_ANT_DIV_CTL1,
EEP_CHAIN_MASK_REDUCE
EEP_CHAIN_MASK_REDUCE,
EEP_ANTENNA_GAIN_2G,
EEP_ANTENNA_GAIN_5G
};
enum ar5416_rates {
@@ -652,8 +654,7 @@ struct eeprom_ops {
void (*set_addac)(struct ath_hw *hw, struct ath9k_channel *chan);
void (*set_txpower)(struct ath_hw *hw, struct ath9k_channel *chan,
u16 cfgCtl, u8 twiceAntennaReduction,
u8 twiceMaxRegulatoryPower, u8 powerLimit,
bool test);
u8 powerLimit, bool test);
u16 (*get_spur_channel)(struct ath_hw *ah, u16 i, bool is2GHz);
};