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Commit b0297b67 authored by Felix Fietkau's avatar Felix Fietkau
Browse files

mt76: mt7603: fix reading target tx power from eeprom 



For the external PA (TSSI OFF) case, the target power needs to be read
from a different location in EEPROM

Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 2dcb79cd

drivers/net/wireless/mediatek/mt76/mt7603/eeprom.h

+2 −0
Original line number Diff line number Diff line
@@ -69,6 +69,8 @@ enum mt7603_eeprom_field { 


	MT_EE_CP_FT_VERSION =			0x0f0,



	MT_EE_TX_POWER_TSSI_OFF =		0x0f2,



	MT_EE_XTAL_FREQ_OFFSET =		0x0f4,

	MT_EE_XTAL_TRIM_2_COMP =		0x0f5,

	MT_EE_XTAL_TRIM_3_COMP =		0x0f6,

drivers/net/wireless/mediatek/mt76/mt7603/init.c

+4 −0
Original line number Diff line number Diff line
@@ -465,9 +465,13 @@ mt7603_init_txpower(struct mt7603_dev *dev, 
	u8 *eeprom = (u8 *)dev->mt76.eeprom.data;

	int target_power = eeprom[MT_EE_TX_POWER_0_START_2G + 2] & ~BIT(7);

	u8 *rate_power = &eeprom[MT_EE_TX_POWER_CCK];

	bool ext_pa = eeprom[MT_EE_NIC_CONF_0 + 1] & BIT(1);

	int max_offset, cur_offset;

	int i;



	if (ext_pa && is_mt7603(dev))

		target_power = eeprom[MT_EE_TX_POWER_TSSI_OFF] & ~BIT(7);



	if (target_power & BIT(6))

		target_power = -(target_power & GENMASK(5, 0));