summaryrefslogtreecommitdiffstats
path: root/drivers/leds/leds-pwm.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-07-01 17:13:54 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-07-01 17:13:54 +0000
commit2957e9a7ea070524508a846205689431cb5c101f (patch)
tree42f079ff82e701ebcb76829974b4caca3e5b6798 /drivers/leds/leds-pwm.c
parentAdding upstream version 6.9.2. (diff)
downloadlinux-2957e9a7ea070524508a846205689431cb5c101f.tar.xz
linux-2957e9a7ea070524508a846205689431cb5c101f.zip
Adding upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/leds/leds-pwm.c')
-rw-r--r--drivers/leds/leds-pwm.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index 4e3936a39d..e1b414b403 100644
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -53,7 +53,13 @@ static int led_pwm_set(struct led_classdev *led_cdev,
duty = led_dat->pwmstate.period - duty;
led_dat->pwmstate.duty_cycle = duty;
- led_dat->pwmstate.enabled = true;
+ /*
+ * Disabling a PWM doesn't guarantee that it emits the inactive level.
+ * So keep it on. Only for suspending the PWM should be disabled because
+ * otherwise it refuses to suspend. The possible downside is that the
+ * LED might stay (or even go) on.
+ */
+ led_dat->pwmstate.enabled = !(led_cdev->flags & LED_SUSPENDED);
return pwm_apply_might_sleep(led_dat->pwm, &led_dat->pwmstate);
}