several cleanups for ifxmips. removes all code that has not been cleaned up properly

[openwrt.git] / target / linux / ifxmips / files / drivers / leds / leds-ifxmips.c

diff --git a/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c b/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c
index 04e4ef8..86116d6 100644 (file)
--- a/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c
+++ b/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c
@@ -37,6 +37,7 @@
 
 #define DRVNAME                                        "ifxmips_led"
 
+/* might need to be changed depending on shift register used on the pcb */
 #if 1
 #define IFXMIPS_LED_CLK_EDGE                   IFXMIPS_LED_FALLING
 #else
@@ -98,7 +99,8 @@ void ifxmips_led_setup_gpio(void)
 {
        int i = 0;
 
-       /* we need to setup pins SH,D,ST (4,5,6) */
+       /* leds are controlled via a shift register
+          we need to setup pins SH,D,ST (4,5,6) to make it work */
        for (i = 4; i < 7; i++) {
                ifxmips_port_set_altsel0(IFXMIPS_LED_GPIO_PORT, i);
                ifxmips_port_clear_altsel1(IFXMIPS_LED_GPIO_PORT, i);