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--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -16,6 +16,7 @@
#include <linux/slab.h>
+#include "linux/ath9k_platform.h"
#include "ath9k.h"
static char *dev_info = "ath9k";
@@ -549,6 +550,8 @@ static int ath9k_init_softc(u16 devid, s
pdata = (struct ath9k_platform_data *) sc->dev->platform_data;
if (!pdata)
ah->ah_flags |= AH_USE_EEPROM;
+ else
+ sc->quirk_wndr3700 = pdata->quirk_wndr3700;
common = ath9k_hw_common(ah);
common->ops = &ath9k_common_ops;
@@ -671,6 +674,24 @@ void ath9k_set_hw_capab(struct ath_softc
SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
}
+#ifdef CONFIG_ATHEROS_AR71XX
+static void wndr3700_init_antenna(struct ath_hw *ah)
+{
+ ath9k_hw_cfg_output(ah, 6, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ ath9k_hw_cfg_output(ah, 7, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ ath9k_hw_cfg_output(ah, 8, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+ ath9k_hw_cfg_output(ah, 9, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+
+ /* select the first antenna group */
+ ath9k_hw_set_gpio(ah, 6, 0);
+ ath9k_hw_set_gpio(ah, 7, 1);
+ ath9k_hw_set_gpio(ah, 8, 0);
+ ath9k_hw_set_gpio(ah, 9, 1);
+}
+#else
+static inline void wndr3700_init_antenna(struct ath_hw *ah) {}
+#endif /* CONFIG_ATHEROS_AR71XX */
+
int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
const struct ath_bus_ops *bus_ops)
{
@@ -689,6 +710,9 @@ int ath9k_init_device(u16 devid, struct
common = ath9k_hw_common(ah);
ath9k_set_hw_capab(sc, hw);
+ if (sc->quirk_wndr3700)
+ wndr3700_init_antenna(ah);
+
/* Initialize regulatory */
error = ath_regd_init(&common->regulatory, sc->hw->wiphy,
ath9k_reg_notifier);
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -591,6 +591,8 @@ struct ath_softc {
int beacon_interval;
+ bool quirk_wndr3700;
+
#ifdef CONFIG_ATH9K_DEBUGFS
struct ath9k_debug debug;
#endif
--- a/include/linux/ath9k_platform.h
+++ b/include/linux/ath9k_platform.h
@@ -24,6 +24,8 @@
struct ath9k_platform_data {
u16 eeprom_data[ATH9K_PLAT_EEP_MAX_WORDS];
u8 *macaddr;
+
+ bool quirk_wndr3700;
};
#endif /* _LINUX_ATH9K_PLATFORM_H */
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