C++ (Cpp) msm_camio_vpe_clk_enable Examples

Example #1

File: msm_vpe1.c Project: SonsOfAndroid/android_kernel_samsung_d2_SOA

int vpe_enable(uint32_t clk_rate)
{
	int rc = 0;
	unsigned long flags = 0;
	/* don't change the order of clock and irq.*/
	CDBG("%s: enable_clock rate %u\n", __func__, clk_rate);
	spin_lock_irqsave(&vpe_ctrl->ops_lock, flags);
	if (vpe_ctrl->state != VPE_STATE_IDLE) {
		CDBG("%s: VPE already enabled", __func__);
		spin_unlock_irqrestore(&vpe_ctrl->ops_lock, flags);
		return 0;
	}
	vpe_ctrl->state = VPE_STATE_INIT;
	spin_unlock_irqrestore(&vpe_ctrl->ops_lock, flags);

	rc = msm_camio_vpe_clk_enable(clk_rate);
	if (rc < 0) {
		pr_err("%s: msm_camio_vpe_clk_enable failed", __func__);
		vpe_ctrl->state = VPE_STATE_IDLE;
		return rc;
	}

	CDBG("%s: enable_irq\n", __func__);
	vpe_enable_irq();

	/* initialize the data structure - lock, queue etc. */
	spin_lock_init(&vpe_ctrl->tasklet_lock);
	INIT_LIST_HEAD(&vpe_ctrl->tasklet_q);

	return rc;
}

Example #2

int msm_vpe_open(void)
{
	int rc = 0;

	CDBG("[CAM] %s: In \n", __func__);

	vpe_ctrl = kzalloc(sizeof(struct vpe_ctrl_type), GFP_KERNEL);
	if (!vpe_ctrl) {
		pr_err("[CAM] %s: no memory!\n", __func__);
		return -ENOMEM;
	}
	/* don't change the order of clock and irq.*/
	CDBG("[CAM] %s: enable_clock \n", __func__);
	rc = msm_camio_vpe_clk_enable();

	CDBG("[CAM] %s: enable_irq \n", __func__);
	vpe_enable_irq();

	/* initialize the data structure - lock, queue etc. */
	spin_lock_init(&vpe_ctrl->tasklet_lock);
	INIT_LIST_HEAD(&vpe_ctrl->tasklet_q);

	CDBG("[CAM] %s: Out \n", __func__);

	return rc;
}