int cpe_thread_handler(void *unused)
{
kal_uint32 ret = 0;
do
{
ktime_t ktime = ktime_set(cpe_period, 0);
wait_event_interruptible(cpe_timer_waiter, cpe_timer_flag != 0);
cpe_timer_flag = 0;
ret = mtk_cpe_one_shot_handler((kal_uint16)g_path1, (kal_uint16)g_path2, (kal_uint16)g_path3);
xlog_printk(ANDROID_LOG_INFO, "Power/CPE", "got critical path rosc counter = %d\n", ret);
hrtimer_start(&cpe_timer, ktime, HRTIMER_MODE_REL);
} while (!kthread_should_stop());
return 0;
}
static ssize_t cpe_one_shot_mode_write(struct file *file, const char *buffer, unsigned long count, void *data)
{
int len = 0;
char mode[20], desc[32];
kal_uint32 ret = 0;
len = (count < (sizeof(desc) - 1)) ? count : (sizeof(desc) - 1);
if (copy_from_user(desc, buffer, len))
{
return 0;
}
desc[len] = '\0';
printk("\n=============== Critical Path Emulator One Shot Mode ================\n");
if (sscanf(desc, "%s", mode) == 1)
{
if (!strcmp(mode, "enable"))
{
printk(" enable critical path emulator one shot mode\n");
ret = mtk_cpe_one_shot_handler(g_path1, g_path2, g_path3);
printk(" got critical path rosc counter = %d\n", ret);
printk("==========================================\n");
return count;
}
else
{
printk(" bad argument!! argument should be \"enable\" or \"disable\"\n");
printk( "==========================================\n");
}
}
else
{
printk(" bad argument!!\n");
printk( "==========================================\n");
}
return -EINVAL;
}
