With Arnaud's F75111 patches http://git.rtp-net.org/?p=ss4000e.git;a=summary
in a 3.4.1 kernel, the LEDS can be turned on/off thus
>ls /sys/class/leds
>HD1:amber HD2:amber HD3:amber HD4:amber HD:amber
>HD1:green HD2:green HD3:green HD4:green status:green
#Turn LEDS on/off
#if on, HDx LED will blink by itself when there is disk activity.
echo 1 > /sys/class/leds/HD1:green/brightness #turn HD1 led on/green
echo 0 > /sys/class/leds/HD1:green/brightness #turn HD1 led off
echo 1 > /sys/class/leds/HD1:amber/brightness #turn HD1 led on/amber
echo 0 > /sys/class/leds/HD1:amber/brightness #turn HD1 led off
echo 1 > /sys/class/leds/status:green/brightness #turn status led on
echo 0 > /sys/class/leds/status:green/brightness #turn status led off
echo 1 > /sys/class/leds/HD:amber/brightness #RAID status amber
echo 0 > /sys/class/leds/HD:amber/brightness #RAID status red
#Status can be read with
cat /sys/class/leds/HD:amber/brightness #etc for others too
The supported LEDS are defined in the kernel tree at
arch\arm\mach-iop32x\em7210.c
....
static struct gpio_led f75111_leds[] = {
{ .name = "HD1:green", .gpio = F75111_GP30, .active_low =
1},
{ .name = "HD2:green", .gpio = F75111_GP31, .active_low =
1},
{ .name = "HD3:green", .gpio = F75111_GP32, .active_low =
1},
{ .name = "HD4:green", .gpio = F75111_GP33, .active_low =
1},
{ .name = "HD1:amber", .gpio = F75111_GP10, .active_low =
1},
{ .name = "HD2:amber", .gpio = F75111_GP14, .active_low =
1},
{ .name = "HD3:amber", .gpio = F75111_GP20, .active_low =
1},
{ .name = "HD4:amber", .gpio = F75111_GP24, .active_low =
1},
{ .name = "status:green", .gpio = F75111_GP11},
{ .name = "HD:amber", .gpio = F75111_GP12, .active_low =
1},
};
...
The power/reset buttons seem to be defined in the same file
/*
* gpio driver is using irq but the iop80219 doesn't generate an irq...
*/
static struct gpio_keys_button em7210_buttons[] = {
{
.gpio = 4,
.code = KEY_POWER,
.desc = "power off",
.active_low = 1,
},
{
.gpio = 5,
.code = BTN_1,
.desc = "reset",
},
};
static struct gpio_keys_platform_data em7210_button_data = {
.buttons = em7210_buttons,
.nbuttons = ARRAY_SIZE(em7210_buttons),
};
static struct platform_device em7210_button_device = {
.name = "gpio-keys-polled",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = &em7210_button_data,
}
};
Anyone know how to read the power and reset buttons?
Chris
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