C++ (Cpp) mdss_mdp_intr2index Beispiele

Beispiel #1

Datei: mdss_mdp_util.c Projekt: ColonelSaumon/android_kernel_nokia_msm8x25

int mdss_mdp_set_intr_callback(u32 intr_type, u32 intf_num,
			       void (*fnc_ptr)(void *), void *arg)
{
	unsigned long flags;
	int index, ret;

	index = mdss_mdp_intr2index(intr_type, intf_num);
	if (index < 0) {
		pr_warn("invalid intr type=%u intf_num=%u\n",
				intr_type, intf_num);
		return -EINVAL;
	}

	spin_lock_irqsave(&mdss_mdp_intr_lock, flags);
	if (!mdp_intr_cb[index].func) {
		mdp_intr_cb[index].func = fnc_ptr;
		mdp_intr_cb[index].arg = arg;
		ret = 0;
	} else {
		ret = -EBUSY;
	}
	spin_unlock_irqrestore(&mdss_mdp_intr_lock, flags);

	return ret;
}

Beispiel #2

Datei: mdss_mdp_util.c Projekt: grzmot22/android_kernel_msm

int mdss_mdp_set_intr_callback(u32 intr_type, u32 intf_num,
			       void (*fnc_ptr)(void *), void *arg)
{
	unsigned long flags;
	int index;

	index = mdss_mdp_intr2index(intr_type, intf_num);
	if (index < 0) {
		pr_warn("invalid intr type=%u intf_num=%u\n",
				intr_type, intf_num);
		return -EINVAL;
	}

	spin_lock_irqsave(&mdss_mdp_intr_lock, flags);
	WARN(mdp_intr_cb[index].func && fnc_ptr,
		"replacing current intr callback for ndx=%d\n", index);
	mdp_intr_cb[index].func = fnc_ptr;
	mdp_intr_cb[index].arg = arg;
	spin_unlock_irqrestore(&mdss_mdp_intr_lock, flags);

	return 0;
}