/**
* IO Control - handle commands from client.
*
*/
static int dsps_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
int ret = 0;
u32 val = 0;
pr_debug("%s.\n", __func__);
switch (cmd) {
case DSPS_IOCTL_ON:
ret = dsps_power_on_handler();
dsps_resume();
break;
case DSPS_IOCTL_OFF:
dsps_suspend();
ret = dsps_power_off_handler();
break;
case DSPS_IOCTL_READ_SLOW_TIMER:
val = dsps_read_slow_timer();
ret = put_user(val, (u32 __user *) arg);
break;
case DSPS_IOCTL_READ_FAST_TIMER:
val = dsps_read_fast_timer();
ret = put_user(val, (u32 __user *) arg);
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static long dsps_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
int ret = 0;
u32 val = 0;
pr_debug("%s.\n", __func__);
switch (cmd) {
case DSPS_IOCTL_ON:
if (!drv->pdata->dsps_pwr_ctl_en) {
ret = dsps_power_on_handler();
dsps_resume();
}
break;
case DSPS_IOCTL_OFF:
if (!drv->pdata->dsps_pwr_ctl_en) {
dsps_suspend();
ret = dsps_power_off_handler();
}
break;
case DSPS_IOCTL_READ_SLOW_TIMER:
val = dsps_read_slow_timer();
ret = put_user(val, (u32 __user *) arg);
break;
case DSPS_IOCTL_READ_FAST_TIMER:
val = dsps_read_fast_timer();
ret = put_user(val, (u32 __user *) arg);
break;
case DSPS_IOCTL_RESET:
pr_err("%s: User-initiated DSPS reset.\nResetting DSPS\n",
__func__);
subsystem_restart("dsps");
ret = 0;
break;
default:
ret = -EINVAL;
break;
}
return ret;
}