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leds: convert IDE trigger to common disk trigger

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This patch converts the IDE specific LED trigger to a generic disk
activity LED trigger. The libata core is now a trigger source just
like before the IDE disk driver. It's merely a replacement of the
string ide by disk.

The patch is taken from http://dev.gentoo.org/~josejx/ata.patch and is
widely used by any ibook/powerbook owners with great satisfaction.
Likewise, it is very often used successfully on different ARM platforms.

Unlike the original patch, the existing 'ide-disk' trigger is still
available for backward compatibility. That reduce the amount of patches
in affected device trees out of the mainline kernel. For further
development, the new name 'disk-activity' should be used.

Cc: Joseph Jezak <[email protected]>
Cc: Jörg Sommer <[email protected]>
Cc: Richard Purdie <[email protected]>
Signed-off-by: Stephan Linz <[email protected]>
Signed-off-by: Jacek Anaszewski <[email protected]>
This commit is contained in:
Stephan Linz 2016-06-10 07:59:56 +02:00 • committed by Jacek Anaszewski
commit eb25cb9956
7 changed files with 26 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/leds/leds-hp6xx.c
View file

@ -50,7 +50,7 @@ static struct led_classdev hp6xx_red_led = {
static struct led_classdev hp6xx_green_led = {
.name = "hp6xx:green",
.default_trigger = "ide-disk",
.default_trigger = "disk-activity",
.brightness_set = hp6xxled_green_set,
.flags = LED_CORE_SUSPENDRESUME,
};

8
drivers/leds/trigger/Kconfig
View file

@ -33,12 +33,12 @@ config LEDS_TRIGGER_ONESHOT
If unsure, say Y.
config LEDS_TRIGGER_IDE_DISK
bool "LED IDE Disk Trigger"
depends on IDE_GD_ATA
config LEDS_TRIGGER_DISK
bool "LED Disk Trigger"
depends on IDE_GD_ATA || ATA
depends on LEDS_TRIGGERS
help
This allows LEDs to be controlled by IDE disk activity.
This allows LEDs to be controlled by disk activity.
If unsure, say Y.
config LEDS_TRIGGER_MTD

2
drivers/leds/trigger/Makefile
View file

@ -1,6 +1,6 @@
obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
obj-$(CONFIG_LEDS_TRIGGER_ONESHOT) += ledtrig-oneshot.o
obj-$(CONFIG_LEDS_TRIGGER_IDE_DISK) += ledtrig-ide-disk.o
obj-$(CONFIG_LEDS_TRIGGER_DISK) += ledtrig-disk.o
obj-$(CONFIG_LEDS_TRIGGER_MTD) += ledtrig-mtd.o
obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT) += ledtrig-heartbeat.o
obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT) += ledtrig-backlight.o

19
drivers/leds/trigger/ledtrig-ide-disk.c → drivers/leds/trigger/ledtrig-disk.c
View file

@ -1,5 +1,5 @@
/*
* LED IDE-Disk Activity Trigger
* LED Disk Activity Trigger
*
* Copyright 2006 Openedhand Ltd.
*
@ -17,20 +17,25 @@
#define BLINK_DELAY 30
DEFINE_LED_TRIGGER(ledtrig_disk);
DEFINE_LED_TRIGGER(ledtrig_ide);
void ledtrig_ide_activity(void)
void ledtrig_disk_activity(void)
{
unsigned long ide_blink_delay = BLINK_DELAY;
unsigned long blink_delay = BLINK_DELAY;
led_trigger_blink_oneshot(ledtrig_disk,
&blink_delay, &blink_delay, 0);
led_trigger_blink_oneshot(ledtrig_ide,
&ide_blink_delay, &ide_blink_delay, 0);
&blink_delay, &blink_delay, 0);
}
EXPORT_SYMBOL(ledtrig_ide_activity);
EXPORT_SYMBOL(ledtrig_disk_activity);
static int __init ledtrig_ide_init(void)
static int __init ledtrig_disk_init(void)
{
led_trigger_register_simple("disk-activity", &ledtrig_disk);
led_trigger_register_simple("ide-disk", &ledtrig_ide);
return 0;
}
device_initcall(ledtrig_ide_init);
device_initcall(ledtrig_disk_init);