evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ath9k: remove eeprom txgain override for minor version < 19

Browse source 
ath9k_hw_4k_get_eeprom() overrides the eeprom value for txgain if the
minor version is not 19 or above with a value of 0.
ar9002_hw_init_mode_gain_regs() relies on this information to
determine whether this is a high power wifi card or not. The override
caused the driver to always use the 'normal' power tables even for
high power devices if their minor version was not high enough. Thus
leading to reduced power output.

This isn't needed for the AR9285; the check originated with the
AR9280 setup code which requires the EEPROM version check.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Adrian Chadd <adrian@freebsd.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Marek Lindner 2011-08-03 16:35:16 +02:00 • committed by John W. Linville
parent f612cedfe1
commit f3d4505de5
1 changed files with 1 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/net/wireless/ath/ath9k/eeprom_4k.c
View file

@ -349,10 +349,7 @@ static u32 ath9k_hw_4k_get_eeprom(struct ath_hw *ah,
case EEP_ANT_DIV_CTL1:
return pModal->antdiv_ctl1;
case EEP_TXGAIN_TYPE:
if (ver_minor >= AR5416_EEP_MINOR_VER_19)
return pBase->txGainType;
else
return AR5416_EEP_TXGAIN_ORIGINAL;
return pBase->txGainType;
default:
return 0;
}