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add patch for gpio-leds to support special brightness values, thanks to Bernhard Held (closes: #2572)

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SVN-Revision: 9360
This commit is contained in:
Gabor Juhos 2007-10-20 05:26:19 +00:00
parent 2eca863b8e
commit 2228e4092c
1 changed files with 29 additions and 0 deletions
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29
target/linux/adm5120/patches-2.6.23/203-gpio_leds_brightness.patch Normal file
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@ -0,0 +1,29 @@
Index: linux-2.6.23/drivers/leds/leds-gpio.c
===================================================================
--- linux-2.6.23.orig/drivers/leds/leds-gpio.c
+++ linux-2.6.23/drivers/leds/leds-gpio.c
@@ -41,13 +41,17 @@
container_of(led_cdev, struct gpio_led_data, cdev);
int level;
- if (value == LED_OFF)
- level = 0;
- else
- level = 1;
-
- if (led_dat->active_low)
- level = !level;
+ switch (value) {
+ case LED_OFF:
+ level = led_dat->active_low ? 1 : 0;
+ break;
+ case LED_FULL:
+ level = led_dat->active_low ? 0 : 1;
+ break;
+ default:
+ level = value;
+ break;
+ }
/* setting GPIOs with I2C/etc requires a preemptible task context */
if (led_dat->can_sleep) {