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Code Activity

ath9k: rework tx power handling - display the correct *current* tx power, and also fix tx power limits with ATH_USER_REGD set

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27788 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
2011-07-26 20:53:40 +00:00
parent 402fac7b0d
commit a71d342cb1
6 changed files with 313 additions and 0 deletions
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83
package/mac80211/patches/593-ath9k_fix_rate_power.patch Normal file
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@@ -0,0 +1,83 @@
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -4922,25 +4922,7 @@ static void ath9k_hw_ar9300_set_txpower(
"TPC[%02d] 0x%08x\n", i, targetPowerValT2[i]);
}
- /*
- * This is the TX power we send back to driver core,
- * and it can use to pass to userspace to display our
- * currently configured TX power setting.
- *
- * Since power is rate dependent, use one of the indices
- * from the AR9300_Rates enum to select an entry from
- * targetPowerValT2[] to report. Currently returns the
- * power for HT40 MCS 0, HT20 MCS 0, or OFDM 6 Mbps
- * as CCK power is less interesting (?).
- */
- i = ALL_TARGET_LEGACY_6_24; /* legacy */
- if (IS_CHAN_HT40(chan))
- i = ALL_TARGET_HT40_0_8_16; /* ht40 */
- else if (IS_CHAN_HT20(chan))
- i = ALL_TARGET_HT20_0_8_16; /* ht20 */
-
- ah->txpower_limit = targetPowerValT2[i];
- regulatory->max_power_level = targetPowerValT2[i];
+ ah->txpower_limit = regulatory->max_power_level;
/* Write target power array to registers */
ar9003_hw_tx_power_regwrite(ah, targetPowerValT2);
--- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c
@@ -609,15 +609,6 @@ static void ath9k_hw_4k_set_txpower(stru
if (test)
return;
- /* Update regulatory */
- i = rate6mb;
- if (IS_CHAN_HT40(chan))
- i = rateHt40_0;
- else if (IS_CHAN_HT20(chan))
- i = rateHt20_0;
-
- regulatory->max_power_level = ratesArray[i];
-
if (AR_SREV_9280_20_OR_LATER(ah)) {
for (i = 0; i < Ar5416RateSize; i++)
ratesArray[i] -= AR5416_PWR_TABLE_OFFSET_DB * 2;
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -748,13 +748,6 @@ static void ath9k_hw_ar9287_set_txpower(
if (test)
return;
- if (IS_CHAN_2GHZ(chan))
- i = rate1l;
- else
- i = rate6mb;
-
- regulatory->max_power_level = ratesArray[i];
-
if (AR_SREV_9280_20_OR_LATER(ah)) {
for (i = 0; i < Ar5416RateSize; i++)
ratesArray[i] -= AR9287_PWR_TABLE_OFFSET_DB * 2;
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -1169,17 +1169,6 @@ static void ath9k_hw_def_set_txpower(str
regulatory->max_power_level = ratesArray[i];
}
- if (!test) {
- i = rate6mb;
-
- if (IS_CHAN_HT40(chan))
- i = rateHt40_0;
- else if (IS_CHAN_HT20(chan))
- i = rateHt20_0;
-
- regulatory->max_power_level = ratesArray[i];
- }
-
switch(ar5416_get_ntxchains(ah->txchainmask)) {
case 1:
break;