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ath9k: add extra GPIO led support

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ar9550 or later chips, the AR_GPIO_IN_OUT register only can
control GPIO[0:3]. For the extra GPIO, use standard GPIO calls
instead of WMAC internal registers.

Signed-off-by: Miaoqing Pan <miaoqing@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Miaoqing Pan
2015-04-01 10:19:57 +08:00
committed by Kalle Valo
parent fcc658dabf
commit 61b559dea4
4 changed files with 27 additions and 3 deletions
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8
drivers/net/wireless/ath/ath9k/gpio.c
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@@ -69,9 +69,15 @@ void ath_fill_led_pin(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
if (AR_SREV_9100(ah) || (ah->led_pin >= 0))
if (AR_SREV_9100(ah))
return;
if (ah->led_pin >= 0) {
if (!((1 << ah->led_pin) & AR_GPIO_OE_OUT_MASK))
ath9k_hw_request_gpio(ah, ah->led_pin, "ath9k-led");
return;
}
if (AR_SREV_9287(ah))
ah->led_pin = ATH_LED_PIN_9287;
else if (AR_SREV_9485(sc->sc_ah))