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mt76x2: fix tx_alc_enabled check

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Fix mt76x2_temp_tx_alc_enabled routine since in order to enable tx_alc
temperature compensation it necessary to take into account BIT(15) of
MT_EE_TX_POWER_EXT_PA_5G eeprom info

Fixes: 7bc04215a6 ("mt76: add driver code for MT76x2e")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Lorenzo Bianconi 2018-04-04 10:23:46 +02:00 • committed by Kalle Valo
parent cf7b411dce
commit bcb0f68ae2
2 changed files with 7 additions and 5 deletions
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6
drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c
View file

@ -609,17 +609,13 @@ int mt76x2_get_temp_comp(struct mt76x2_dev *dev, struct mt76x2_temp_comp *t)
memset(t, 0, sizeof(*t)); memset(t, 0, sizeof(*t));
val = mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1); if (!mt76x2_temp_tx_alc_enabled(dev))
if (!(val & MT_EE_NIC_CONF_1_TEMP_TX_ALC))
return -EINVAL; return -EINVAL;
if (!mt76x2_ext_pa_enabled(dev, band)) if (!mt76x2_ext_pa_enabled(dev, band))
return -EINVAL; return -EINVAL;
val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_EXT_PA_5G) >> 8; val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_EXT_PA_5G) >> 8;
if (!(val & BIT(7)))
return -EINVAL;
t->temp_25_ref = val & 0x7f; t->temp_25_ref = val & 0x7f;
if (band == NL80211_BAND_5GHZ) { if (band == NL80211_BAND_5GHZ) {
slope = mt76x2_eeprom_get(dev, MT_EE_RF_TEMP_COMP_SLOPE_5G); slope = mt76x2_eeprom_get(dev, MT_EE_RF_TEMP_COMP_SLOPE_5G);

6
drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h
View file

@ -159,6 +159,12 @@ void mt76x2_read_rx_gain(struct mt76x2_dev *dev);
static inline bool static inline bool
mt76x2_temp_tx_alc_enabled(struct mt76x2_dev *dev) mt76x2_temp_tx_alc_enabled(struct mt76x2_dev *dev)
{ {
u16 val;
val = mt76x2_eeprom_get(dev, MT_EE_TX_POWER_EXT_PA_5G);
if (!(val & BIT(15)))
return false;
return mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1) & return mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1) &
MT_EE_NIC_CONF_1_TEMP_TX_ALC; MT_EE_NIC_CONF_1_TEMP_TX_ALC;
} }