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ath9k_htc: reconfigure led_gpios after resume

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On suspend/resume, firmware will restart and gpios
configuration will be reseted. Restore this
configureation at least for LEDs

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Oleksij Rempel 2013-12-12 15:30:36 +01:00 committed by John W. Linville
parent 36c4e7e4aa
commit 1e51acaa02
3 changed files with 19 additions and 5 deletions
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5
drivers/net/wireless/ath/ath9k/htc.h
View File

@ -600,10 +600,15 @@ void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv);
#ifdef CONFIG_MAC80211_LEDS
void ath9k_configure_leds(struct ath9k_htc_priv *priv);
void ath9k_init_leds(struct ath9k_htc_priv *priv);
void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
void ath9k_led_work(struct work_struct *work);
#else
static inline void ath9k_configure_leds(struct ath9k_htc_priv *priv)
{
}
static inline void ath9k_init_leds(struct ath9k_htc_priv *priv)
{
}

17
drivers/net/wireless/ath/ath9k/htc_drv_gpio.c
View File

@ -255,6 +255,17 @@ void ath9k_deinit_leds(struct ath9k_htc_priv *priv)
cancel_work_sync(&priv->led_work);
}
void ath9k_configure_leds(struct ath9k_htc_priv *priv)
{
/* Configure gpio 1 for output */
ath9k_hw_cfg_output(priv->ah, priv->ah->led_pin,
AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
/* LED off, active low */
ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 1);
}
void ath9k_init_leds(struct ath9k_htc_priv *priv)
{
int ret;
@ -268,11 +279,7 @@ void ath9k_init_leds(struct ath9k_htc_priv *priv)
else
priv->ah->led_pin = ATH_LED_PIN_DEF;
/* Configure gpio 1 for output */
ath9k_hw_cfg_output(priv->ah, priv->ah->led_pin,
AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
/* LED off, active low */
ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 1);
ath9k_configure_leds(priv);
snprintf(priv->led_name, sizeof(priv->led_name),
"ath9k_htc-%s", wiphy_name(priv->hw->wiphy));

2
drivers/net/wireless/ath/ath9k/htc_drv_init.c
View File

@ -1000,6 +1000,8 @@ int ath9k_htc_resume(struct htc_target *htc_handle)
ret = ath9k_init_htc_services(priv, priv->ah->hw_version.devid,
priv->ah->hw_version.usbdev);
ath9k_configure_leds(priv);
return ret;
}
#endif