C++ (Cpp) os_clk_disable_unprepare Exemples

Exemple #1

Fichier : vfe_subdev.c Projet : mfkiwl/CC-A80-kernel-source

//enable/disable master clock
int vfe_set_mclk(struct v4l2_subdev *sd, enum on_off on_off)
{
#ifdef VFE_CLK
	struct vfe_dev *dev=(struct vfe_dev *)dev_get_drvdata(sd->v4l2_dev->dev);
	switch(on_off) {
	case ON:
		vfe_print("mclk on\n");
		if(dev->clock.vfe_master_clk) {
			if(os_clk_prepare_enable(dev->clock.vfe_master_clk)) {
				vfe_err("vip%d master clock enable error\n",dev->vip_sel);
				return -1;
			}
		} else {
			vfe_err("vip%d master clock is null\n",dev->vip_sel);
			return -1;
		}
		break;
	case OFF:
		vfe_print("mclk off\n");
		if(dev->clock.vfe_master_clk) {
			os_clk_disable_unprepare(dev->clock.vfe_master_clk);
		} else {
			vfe_err("vip%d master clock is null\n",dev->vip_sel);
			return -1;
		}
		break;
	default:
		return -1;
	}
#endif
	return 0;
}

Exemple #2

Fichier : vfe_subdev.c Projet : condret/OrangePI-Kernel

//enable/disable master clock
int vfe_set_mclk(struct v4l2_subdev *sd, enum on_off on_off)
{
#ifdef VFE_CLK
	struct vfe_gpio_cfg gpio_list;
	struct vfe_dev *dev=(struct vfe_dev *)dev_get_drvdata(sd->v4l2_dev->dev);
	switch(on_off) {
	case ON:
		vfe_print("mclk on\n");
		os_gpio_set(&dev->gpio->mclk, 1);  //set mclk PIN to MCLKt.
		usleep_range(10000,12000);
		if(dev->clock.vfe_master_clk) {
			if(os_clk_prepare_enable(dev->clock.vfe_master_clk)) {
				vfe_err("vip%d master clock enable error\n",dev->vip_sel);
				return -1;
			}
		} else {
			vfe_err("vip%d master clock is null\n",dev->vip_sel);
			return -1;
		}
		break;
	case OFF:
		vfe_print("mclk off\n");
		if(dev->clock.vfe_master_clk) {
			os_clk_disable_unprepare(dev->clock.vfe_master_clk);
		} else {
			vfe_err("vip%d master clock is null\n",dev->vip_sel);
			return -1;
		}
		usleep_range(10000,12000);
		memcpy(&gpio_list, &dev->gpio->mclk, sizeof(struct vfe_gpio_cfg));
		gpio_list.mul_sel = GPIO_OUTPUT; //set mclk PIN to output.
		os_gpio_set(&gpio_list, 1);
		vfe_gpio_write(sd, MCLK_PIN, 0);
		break;
	default:
		return -1;
	}
#endif
	return 0;
}