Commit 66a76be5 authored by nbd's avatar nbd

ath9k: backport tx power reporting fix

Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@43053 3c298f89-4303-0410-b956-a3cf2f4a3e73
parent 782944e7
commit c35074725eb19f353beb5f71266f9e985e46f583
Author: Felix Fietkau <nbd@openwrt.org>
Date: Wed Oct 22 18:16:14 2014 +0200
ath9k_common: always update value in ath9k_cmn_update_txpow
In some cases the limit may be the same as reg->power_limit, but the
actual value that the hardware uses is not up to date. In that case, a
wrong value for current tx power is tracked internally.
Fix this by unconditionally updating it.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
commit 11f17631d9bf2a9e910dac7d09ba4581f5693831
Author: Felix Fietkau <nbd@openwrt.org>
Date: Tue Sep 9 09:48:30 2014 +0200
......@@ -3291,3 +3304,21 @@ Date: Mon May 19 21:20:49 2014 +0200
#define AR_RTC_9160_PLL_DIV 0x000003ff
#define AR_RTC_9160_PLL_DIV_S 0
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -368,11 +368,11 @@ void ath9k_cmn_update_txpow(struct ath_h
{
struct ath_regulatory *reg = ath9k_hw_regulatory(ah);
- if (reg->power_limit != new_txpow) {
+ if (reg->power_limit != new_txpow)
ath9k_hw_set_txpowerlimit(ah, new_txpow, false);
- /* read back in case value is clamped */
- *txpower = reg->max_power_level;
- }
+
+ /* read back in case value is clamped */
+ *txpower = reg->max_power_level;
}
EXPORT_SYMBOL(ath9k_cmn_update_txpow);
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