Hey,
I'm trying to get the RB951G's LED's to work. The User led and wlan
led is connected to ethernet switch chip (pins LED_LINK10n_4 and
LED_LINK10n_0) - ethernet switch chip driver has to provide those led devices.
I have tried exposing them in the architecture like so:
#define RB_USER_LED 4
#define RB_WLAN_LED 0
#define RB_USB_POWER 20
static struct gpio_led rb95x_leds_gpio[] __initdata = {
{
.name = "user-led",
.gpio = RB_USER_LED,
.active_low = 0,
}, {
.name = "wlan-led",
.gpio = RB_WLAN_LED,
.active_low = 0,
}, {
.name = "usb-power-off",
.gpio = RB_USB_POWER,
.active_low = 0,
}
};
//and adding to __init rb95x_setup(void)
ath79_register_leds_gpio(-1, ARRAY_SIZE(rb95x_leds_gpio),
rb95x_leds_gpio);
Mikrotik has provided me with the following LED Map:
static int rb951g_led_map[] = {
PLD(4,15), 0, 0, 0, 0, 0, PLDI(20, 0), 0, PLD(0,15), PLEND
};
static struct platform_device rb951g_led_device = {
.name = "rb400-led",
.id = -1,
.dev = {
.platform_data = rb951g_led_map,
},
};
I have tried compiling in the rb400-led driver, and it still does not
expose the LED's. I have a feeling that the ar8327 switch driver needs
to allow the LED's to be exposed, however i'm unsure of how to do
that.
I was looking inside of "linux-3.7.4/drivers/net/phy/ar8216.c" where I found:
led_cfg = pdata->led_cfg;
if (led_cfg) {
if (led_cfg->open_drain)
new_pos |= AR8327_POWER_ON_STRIP_LED_OPEN_EN;
else
new_pos &= ~AR8327_POWER_ON_STRIP_LED_OPEN_EN;
priv->write(priv, AR8327_REG_LED_CTRL0, led_cfg->led_ctrl0);
priv->write(priv, AR8327_REG_LED_CTRL1, led_cfg->led_ctrl1);
priv->write(priv, AR8327_REG_LED_CTRL2, led_cfg->led_ctrl2);
priv->write(priv, AR8327_REG_LED_CTRL3, led_cfg->led_ctrl3);
}
Does something in that stanza need to be added to allow exposure of
LED_LINK10n_4 and
LED_LINK10n_0? Perhaps I read the LED Map incorrectly and do not have
the LED GPIO's defined right?
Any help is much appreciated :-)
-- Davey
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