[adm5120] add patch for gpio-leds to support special brightness values, thanks to...

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9360 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/adm5120/patches-2.6.23/203-gpio_leds_brightness.patch b/target/linux/adm5120/patches-2.6.23/203-gpio_leds_brightness.patch
new file mode 100644 (file)
index 0000000..9b6fc49
--- /dev/null
+++ b/target/linux/adm5120/patches-2.6.23/203-gpio_leds_brightness.patch
@@ -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) {