]>
git.proxmox.com Git - mirror_ubuntu-hirsute-kernel.git/blob - arch/sh/boards/se/7343/led.c
2 * arch/sh/boards/se/7343/led.c
5 #include <linux/sched.h>
6 #include <asm/mach/se7343.h>
8 /* Cycle the LED's in the clasic Knightrider/Sun pattern */
9 void heartbeat_7343se(void)
11 static unsigned int cnt
= 0, period
= 0;
12 volatile unsigned short *p
= (volatile unsigned short *) PA_LED
;
13 static unsigned bit
= 0, up
= 1;
22 /* Go through the points (roughly!):
23 * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110
25 period
= 110 - ((300 << FSHIFT
) / ((avenrun
[0] / 5) + (3 << FSHIFT
)));
42 *p
= 1 << (bit
+ LED_SHIFT
);