The patch titled
leds-add-output-inversion-option-to-backlight-trigger-update
has been added to the -mm tree. Its filename is
leds-add-output-inversion-option-to-backlight-trigger-update.patch
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------------------------------------------------------
Subject: leds-add-output-inversion-option-to-backlight-trigger-update
From: Janusz Krzysztofik <jkrzyszt@xxxxxxxxxxxx>
- new sysfs file should be documented,
- the new sysfs file name could be consistent with the one already used
by the gpio trigger for a similiar function.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@xxxxxxxxxxxx>
Cc: Paul Mundt <lethal@xxxxxxxxxxxx>
Cc: Richard Purdie <richard.purdie@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/ABI/testing/sysfs-class-led | 10 ++++++++++
drivers/leds/ledtrig-backlight.c | 6 +++---
2 files changed, 13 insertions(+), 3 deletions(-)
diff -puN Documentation/ABI/testing/sysfs-class-led~leds-add-output-inversion-option-to-backlight-trigger-update Documentation/ABI/testing/sysfs-class-led
--- a/Documentation/ABI/testing/sysfs-class-led~leds-add-output-inversion-option-to-backlight-trigger-update
+++ a/Documentation/ABI/testing/sysfs-class-led
@@ -26,3 +26,13 @@ Description:
scheduler is chosen. Trigger specific parameters can appear in
/sys/class/leds/<led> once a given trigger is selected.
+What: /sys/class/leds/<led>/inverted
+Date: January 2011
+KernelVersion: 2.6.38
+Contact: Richard Purdie <rpurdie@xxxxxxxxx>
+Description:
+ Invert the LED on/off state. This parameter is specific to
+ gpio and backlight triggers. In case of the backlight trigger,
+ it is usefull when driving a LED which is intended to indicate
+ a device in a standby like state.
+
diff -puN drivers/leds/ledtrig-backlight.c~leds-add-output-inversion-option-to-backlight-trigger-update drivers/leds/ledtrig-backlight.c
--- a/drivers/leds/ledtrig-backlight.c~leds-add-output-inversion-option-to-backlight-trigger-update
+++ a/drivers/leds/ledtrig-backlight.c
@@ -93,7 +93,7 @@ static ssize_t bl_trig_invert_store(stru
return num;
}
-static DEVICE_ATTR(invert, 0644, bl_trig_invert_show, bl_trig_invert_store);
+static DEVICE_ATTR(inverted, 0644, bl_trig_invert_show, bl_trig_invert_store);
static void bl_trig_activate(struct led_classdev *led)
{
@@ -108,7 +108,7 @@ static void bl_trig_activate(struct led_
return;
}
- ret = device_create_file(led->dev, &dev_attr_invert);
+ ret = device_create_file(led->dev, &dev_attr_inverted);
if (ret)
goto err_invert;
@@ -134,7 +134,7 @@ static void bl_trig_deactivate(struct le
(struct bl_trig_notifier *) led->trigger_data;
if (n) {
- device_remove_file(led->dev, &dev_attr_invert);
+ device_remove_file(led->dev, &dev_attr_inverted);
fb_unregister_client(&n->notifier);
kfree(n);
}
_
Patches currently in -mm which might be from jkrzyszt@xxxxxxxxxxxx are
origin.patch
linux-next.patch
leds-add-output-inversion-option-to-backlight-trigger.patch
leds-add-output-inversion-option-to-backlight-trigger-fix.patch
leds-add-output-inversion-option-to-backlight-trigger-update.patch
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