Since thinkpad_acpi (currently?) only supports switching the leds on or
off, we should inform userspace about that. Currently 256 brightness
levels are reported by userspace.
Please apply.
---
drivers/platform/x86/thinkpad_acpi.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/platform/x86/thinkpad_acpi.c
b/drivers/platform/x86/thinkpad_acpi.c
index a0bc79f..cb549d0 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -4827,6 +4827,7 @@ static enum led_brightness light_sysfs_get(struct
led_classdev *led_cdev)
static struct tpacpi_led_classdev tpacpi_led_thinklight = {
.led_classdev = {
.name = "tpacpi::thinklight",
+ .max_brightness = 1,
.brightness_set = &light_sysfs_set,
.brightness_get = &light_sysfs_get,
}
@@ -5232,6 +5233,7 @@ static int __init tpacpi_init_led(unsigned int led)
if (!tpacpi_led_names[led])
return 0;
+ tpacpi_leds[led].led_classdev.max_brightness = 1;
tpacpi_leds[led].led_classdev.brightness_set = &led_sysfs_set;
tpacpi_leds[led].led_classdev.blink_set = &led_sysfs_blink_set;
if (led_supported == TPACPI_LED_570)
--
1.7.5.4
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