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wifi: mt76: add ability to explicitly forbid LED registration with DT

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Add ability to explicitly forbid LED registration using DT led\status = "disabled".

Tested-by: Alexey D. Filimonov <alexey@filimonic.net>
Signed-off-by: Alexey D. Filimonov <alexey@filimonic.net>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Ryder Lee 2023-08-25 01:08:37 +08:00 committed by Felix Fietkau
parent db7fac15ea
commit 14cdeaf950
1 changed files with 25 additions and 14 deletions
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39
drivers/net/wireless/mediatek/mt76/mac80211.c
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@ -197,10 +197,33 @@ static int mt76_led_init(struct mt76_phy *phy)
{
struct mt76_dev *dev = phy->dev;
struct ieee80211_hw *hw = phy->hw;
struct device_node *np = dev->dev->of_node;
if (!phy->leds.cdev.brightness_set && !phy->leds.cdev.blink_set)
return 0;
np = of_get_child_by_name(np, "led");
if (np) {
if (!of_device_is_available(np)) {
of_node_put(np);
dev_info(dev->dev,
"led registration was explicitly disabled by dts\n");
return 0;
}
if (phy == &dev->phy) {
int led_pin;
if (!of_property_read_u32(np, "led-sources", &led_pin))
phy->leds.pin = led_pin;
phy->leds.al =
of_property_read_bool(np, "led-active-low");
}
of_node_put(np);
}
snprintf(phy->leds.name, sizeof(phy->leds.name), "mt76-%s",
wiphy_name(hw->wiphy));
@ -211,20 +234,8 @@ static int mt76_led_init(struct mt76_phy *phy)
mt76_tpt_blink,
ARRAY_SIZE(mt76_tpt_blink));
if (phy == &dev->phy) {
struct device_node *np = dev->dev->of_node;
np = of_get_child_by_name(np, "led");
if (np) {
int led_pin;
if (!of_property_read_u32(np, "led-sources", &led_pin))
phy->leds.pin = led_pin;
phy->leds.al = of_property_read_bool(np,
"led-active-low");
of_node_put(np);
}
}
dev_info(dev->dev,
"registering led '%s'\n", phy->leds.name);
return led_classdev_register(dev->dev, &phy->leds.cdev);
}