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C++ clk_set_min_rate函数代码示例

本文整理汇总了C++中clk_set_min_rate函数的典型用法代码示例。如果您正苦于以下问题：C++ clk_set_min_rate函数的具体用法？C++ clk_set_min_rate怎么用？C++ clk_set_min_rate使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了clk_set_min_rate函数的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: lcdc_on

static int lcdc_on(struct platform_device *pdev)
{
	int ret = 0;
	struct msm_fb_data_type *mfd;
	unsigned long panel_pixclock_freq = 0;
#ifndef CONFIG_MSM_BUS_SCALING
	unsigned long pm_qos_rate;
#endif
	mfd = platform_get_drvdata(pdev);

	if (lcdc_pdata && lcdc_pdata->lcdc_get_clk)
		panel_pixclock_freq = lcdc_pdata->lcdc_get_clk();

	if (!panel_pixclock_freq)
		panel_pixclock_freq = mfd->fbi->var.pixclock;
#ifdef CONFIG_MSM_BUS_SCALING
	mdp_bus_scale_update_request(2);
#else
	if (panel_pixclock_freq > 65000000)
		/* pm_qos_rate should be in Khz */
		pm_qos_rate = panel_pixclock_freq / 1000 ;
	else
		pm_qos_rate = 65000;

	if (mfd->ebi1_clk) {
		if (mdp_rev == MDP_REV_303) {
			if (clk_set_min_rate(mfd->ebi1_clk, 65000000))
				pr_err("%s: ebi1_lcdc_clk set rate failed\n",
					__func__);
		} else {
			clk_set_rate(mfd->ebi1_clk, pm_qos_rate * 1000);
		}
		clk_enable(mfd->ebi1_clk);
	}

#endif
	mfd = platform_get_drvdata(pdev);

	mfd->fbi->var.pixclock = clk_round_rate(pixel_mdp_clk,
					mfd->fbi->var.pixclock);
	ret = clk_set_rate(pixel_mdp_clk, mfd->fbi->var.pixclock);
	if (ret) {
		pr_err("%s: Can't set MDP LCDC pixel clock to rate %u\n",
			__func__, mfd->fbi->var.pixclock);
		goto out;
	}

	clk_enable(pixel_mdp_clk);
	clk_enable(pixel_lcdc_clk);

	if (lcdc_pdata && lcdc_pdata->lcdc_power_save)
		lcdc_pdata->lcdc_power_save(1);
	if (lcdc_pdata && lcdc_pdata->lcdc_gpio_config)
		ret = lcdc_pdata->lcdc_gpio_config(1);

	ret = panel_next_on(pdev);

out:
	return ret;
}
开发者ID:Kra1o5，项目名称:android_kernel_huawei_u8815-gb，代码行数:60，代码来源:lcdc.c

示例2: mddi_driver_init

static int __init mddi_driver_init(void)
{
	int ret;
	pmdh_clk_status = 0;

	mddi_clk = clk_get(NULL, "mddi_clk");
	if (IS_ERR(mddi_clk)) {
		printk(KERN_ERR "can't find mddi_clk\n");
		return PTR_ERR(mddi_clk);
	}
	ret = clk_set_min_rate(mddi_clk, 49000000);
	if (ret)
		printk(KERN_ERR "Can't set mddi_clk min rate to 49000000\n");

	printk(KERN_INFO "mddi_clk init rate is %lu\n",
		clk_get_rate(mddi_clk));
	mddi_pclk = clk_get(NULL, "mddi_pclk");
	if (IS_ERR(mddi_pclk))
		mddi_pclk = NULL;
	pmdh_clk_enable();

	ret = mddi_register_driver();
	if (ret) {
		pmdh_clk_disable();
		clk_put(mddi_clk);
		if (mddi_pclk)
			clk_put(mddi_pclk);
		printk(KERN_ERR "mddi_register_driver() failed!\n");
		return ret;
	}

	mddi_init();

	return ret;
}
开发者ID:ARMP，项目名称:samsung_kernel_cooper，代码行数:35，代码来源:mddi.c

示例3: lcdc_off

static int lcdc_off(struct platform_device *pdev)
{
	int ret = 0;
	struct msm_fb_data_type *mfd;

	mfd = platform_get_drvdata(pdev);
	ret = panel_next_off(pdev);

	clk_disable(pixel_mdp_clk);
	clk_disable(pixel_lcdc_clk);

	if (lcdc_pdata && lcdc_pdata->lcdc_power_save)
		lcdc_pdata->lcdc_power_save(0);

	if (lcdc_pdata && lcdc_pdata->lcdc_gpio_config)
		ret = lcdc_pdata->lcdc_gpio_config(0);

#ifndef CONFIG_MSM_BUS_SCALING
	if (mfd->ebi1_clk) {
		if (mdp_rev == MDP_REV_303) {
			if (clk_set_min_rate(mfd->ebi1_clk, 0))
				pr_err("%s: ebi1_lcdc_clk set rate failed\n",
					__func__);
		}
		clk_disable(mfd->ebi1_clk);
	}
#else
	mdp_bus_scale_update_request(0);
#endif

	return ret;
}
开发者ID:mb-14，项目名称:gt-s7500_kernel，代码行数:32，代码来源:lcdc.c

示例4: msm_gemini_platform_clk_enable

int msm_gemini_platform_clk_enable(void)
{
	/* MP*fps*(1 + %blanking)
	   2MP: 24MHz  ------ 2 x 10 x 1.2
	   3MP: 36MHz  ------ 3 x 10 x 1.2
	   5MP: 60MHz  ------ 5 x 10 x 1.2
	   8MP: 96MHz  ------ 8 x 10 x 1.2
	  12MP: 144MHz ------12 x 10 x 1.2
	 */
	int rc = -1;
	u32 rate = 144000000;

	if (jpeg_clk  == NULL) {
		jpeg_clk  = clk_get(NULL, "jpeg_clk");
		if (jpeg_clk  == NULL) {
			GMN_PR_ERR("%s:%d] fail rc = %d\n", __func__, __LINE__,
				rc);
			goto fail;
		}
	}

	rc = clk_set_min_rate(jpeg_clk, rate);
	if (rc) {
		GMN_PR_ERR("%s:%d] fail rc = %d\n", __func__, __LINE__, rc);
		goto fail;
	}

	rc = clk_enable(jpeg_clk);
	if (rc) {
		GMN_PR_ERR("%s:%d] fail rc = %d\n", __func__, __LINE__, rc);
		goto fail;
	}

	if (jpeg_pclk == NULL) {
		jpeg_pclk = clk_get(NULL, "jpeg_pclk");
		if (jpeg_pclk == NULL) {
			GMN_PR_ERR("%s:%d] fail rc = %d\n", __func__, __LINE__,
				rc);
			goto fail;
		}
	}

	rc = clk_enable(jpeg_pclk);
	if (rc) {
		GMN_PR_ERR("%s:%d] fail rc = %d\n", __func__, __LINE__, rc);
		goto fail;
	}

	/* Need to add  PM QOS bus requirement once updated */

GMN_DBG("%s:%d]\n", __func__, __LINE__);
	return rc;

fail:
	GMN_PR_ERR("%s:%d] fail rc = %d\n", __func__, __LINE__, rc);
	return rc;
}
开发者ID:ARRESS1，项目名称:kernel_samsung_europa，代码行数:57，代码来源:msm_gemini_platform.c

示例5: clock_debug_rate_set

static int clock_debug_rate_set(void *data, u64 val)
{
	struct clk *clock = data;
	int ret;

	/* Only increases to max rate will succeed, but that's actually good
	 * for debugging purposes so we don't check for error. */
	if (clock->flags & CLK_MAX)
		clk_set_max_rate(clock, val);
	if (clock->flags & CLK_MIN)
		ret = clk_set_min_rate(clock, val);
	else
		ret = clk_set_rate(clock, val);
	if (ret != 0)
		printk(KERN_ERR "clk_set%s_rate failed (%d)\n",
			(clock->flags & CLK_MIN) ? "_min" : "", ret);
	return ret;
}
开发者ID:LeeDroid-，项目名称:Shooter-2.6.35-MR，代码行数:18，代码来源:clock-debug.c

示例6: mddi_suspend

static int mddi_suspend(struct platform_device *pdev, pm_message_t state)
{
	mddi_host_type host_idx = MDDI_HOST_PRIM;
	if (mddi_is_in_suspend)
		return 0;

	mddi_is_in_suspend = 1;

	if (mddi_power_locked)
		return 0;

	pmdh_clk_enable();

	mddi_pad_ctrl = mddi_host_reg_in(PAD_CTL);
	mddi_host_reg_out(PAD_CTL, 0x0);

	if (clk_set_min_rate(mddi_clk, 0) < 0)
		printk(KERN_ERR "%s: clk_set_min_rate failed\n", __func__);

	pmdh_clk_disable();

	return 0;
}
开发者ID:ARMP，项目名称:samsung_kernel_cooper，代码行数:23，代码来源:mddi.c

示例7: msm_camio_jpeg_clk_enable

int msm_camio_jpeg_clk_enable(void)
{
	/* MP*fps*(1 + %blanking)
	   2MP: 24MHz  ------ 2 x 10 x 1.2
	   3MP: 36MHz  ------ 3 x 10 x 1.2
	   5MP: 60MHz  ------ 5 x 10 x 1.2
	   8MP: 96MHz  ------ 8 x 10 x 1.2
	  12MP: 144MHz ------12 x 10 x 1.2
	 */
	int rc = -1;
	u32 rate = 144000000;

	if (jpeg_clk  == NULL) {
		jpeg_clk  = clk_get(NULL, "jpeg_clk");
		if (jpeg_clk  == NULL) {
			pr_err("[CAM] %s:%d] fail rc = %d\n", __func__, __LINE__,
				rc);
			goto fail;
		}
	}

	rc = clk_set_min_rate(jpeg_clk, rate);
	if (rc) {
		pr_err("[CAM] %s:%d] fail rc = %d\n", __func__, __LINE__, rc);
		goto fail;
	}

	rc = clk_enable(jpeg_clk);
	if (rc) {
		pr_err("[CAM] %s:%d] fail rc = %d\n", __func__, __LINE__, rc);
		goto fail;
	}

	if (jpeg_pclk == NULL) {
		jpeg_pclk = clk_get(NULL, "jpeg_pclk");
		if (jpeg_pclk == NULL) {
			pr_err("[CAM] %s:%d] fail rc = %d\n", __func__, __LINE__,
				rc);
			goto fail;
		}
	}

	rc = clk_enable(jpeg_pclk);
	if (rc) {
		pr_err("[CAM] %s:%d] fail rc = %d\n", __func__, __LINE__, rc);
		goto fail;
	}

	/*rc = pm_qos_add_requirement(PM_QOS_SYSTEM_BUS_FREQ,
		"msm_gemini", MSM_SYSTEM_BUS_RATE);
	if (rc) {
		GMN_PR_ERR("request AXI bus QOS fails. rc = %d\n", rc);
		goto fail;
	}*/

	return rc;

fail:
	pr_err("[CAM] %s:%d] fail rc = %d\n", __func__, __LINE__, rc);
	return rc;
}
开发者ID:Ll0ir，项目名称:htc_kernel_msm7x30，代码行数:61，代码来源:msm_io_7x30.c

示例8: msm_camio_clk_enable

int msm_camio_clk_enable(enum msm_camio_clk_type clktype)
{
	int rc = 0;
	struct clk *clk = NULL;

	switch (clktype) {
	case CAMIO_VFE_MDC_CLK:
		pr_err("CLK Enable: CAMIO_VFE_MDC_CLK");
		camio_vfe_mdc_clk =
		clk = clk_get(NULL, "vfe_mdc_clk");
		break;

	case CAMIO_MDC_CLK:
		pr_err("CLK Enable: CAMIO_MDC_CLK");
		camio_mdc_clk =
		clk = clk_get(NULL, "mdc_clk");
		break;

	case CAMIO_VFE_CLK:
		pr_err("CLK Enable: CAMIO_VFE_CLK");
		camio_vfe_clk =
		clk = clk_get(NULL, "vfe_clk");
		msm_camio_clk_rate_set_2(clk, camio_clk.vfe_clk_rate);
		break;

	case CAMIO_VFE_CAMIF_CLK:
		pr_err("CLK Enable: CAMIO_VFE_CAMIF_CLK");
		camio_vfe_camif_clk =
		clk = clk_get(NULL, "vfe_camif_clk");
		break;

	case CAMIO_VFE_PBDG_CLK:
		pr_err("CLK Enable: CAMIO_VFE_PBDG_CLK");
		camio_vfe_pbdg_clk =
		clk = clk_get(NULL, "vfe_pclk");
		break;

	case CAMIO_CAM_MCLK_CLK:
		pr_err("CLK Enable: CAMIO_CAM_MCLK_CLK");
		camio_cam_m_clk =
		clk = clk_get(NULL, "cam_m_clk");
		msm_camio_clk_rate_set_2(clk, camio_clk.mclk_clk_rate);
		break;

	case CAMIO_CAMIF_PAD_PBDG_CLK:
		pr_err("CLK Enable: CAMIO_PAD_PBDG_CLK");
		camio_camif_pad_pbdg_clk =
		clk = clk_get(NULL, "camif_pad_pclk");
		break;

	case CAMIO_CSI0_CLK:
		pr_err("CLK Enable: CAMIO_CSI0_CLK");
		camio_csi_clk =
		clk = clk_get(NULL, "csi_clk");
		msm_camio_clk_rate_set_2(clk, 153600000);
		break;
	case CAMIO_CSI0_VFE_CLK:
		pr_err("CLK Enable: CAMIO_VFE_CLK");
		camio_csi_vfe_clk =
		clk = clk_get(NULL, "csi_vfe_clk");
		break;
	case CAMIO_CSI0_PCLK:
		pr_err("CLK Enable: CAMIO_CSI0_CLK");
		camio_csi_pclk =
		clk = clk_get(NULL, "csi_pclk");
		break;

	case CAMIO_JPEG_CLK:
		pr_err("CLK Enable: CAMIO_JPEG_CLK");
		camio_jpeg_clk =
		clk = clk_get(NULL, "jpeg_clk");
		clk_set_min_rate(clk, 144000000);
		break;
	case CAMIO_JPEG_PCLK:
		pr_err("CLK Enable: CAMIO_JPEG_PCLK");
		camio_jpeg_pclk =
		clk = clk_get(NULL, "jpeg_pclk");
		break;
	case CAMIO_VPE_CLK:
		pr_err("CLK Enable: CAMIO_VPE_CLK");
		camio_vpe_clk =
		clk = clk_get(NULL, "vpe_clk");
		msm_camio_clk_set_min_rate(clk, 150000000);
		break;
	default:
		pr_err("CLK Enable: NO DEFINED CLOCK (CLKTYPE: %d)", clktype);
		break;
	}

	if (!IS_ERR(clk)) {
		pr_err("CLK Enabled");
		clk_enable(clk);
	} else {
		pr_err("CLK ERROR on check");
		rc = -1;
	}
	return rc;
}
开发者ID:mantera，项目名称:WX_435_Kernel-CM7，代码行数:98，代码来源:msm_io_vfe31.c

示例9: msm_camio_clk_set_min_rate

void msm_camio_clk_set_min_rate(struct clk *clk, int rate)
{
	clk_set_min_rate(clk, rate);
}
开发者ID:Shabbypenguin，项目名称:Cayman-Island-Kernel，代码行数:4，代码来源:msm_io_vfe31.c

示例10: msm_camio_clk_enable

int msm_camio_clk_enable(enum msm_camio_clk_type clktype)
{
	int rc = 0;
	struct clk *clk = NULL;

	switch (clktype) {
	case CAMIO_VFE_MDC_CLK:
		camio_vfe_mdc_clk =
		clk = clk_get(NULL, "vfe_mdc_clk");
		break;

	case CAMIO_MDC_CLK:
		camio_mdc_clk =
		clk = clk_get(NULL, "mdc_clk");
		break;

	case CAMIO_VFE_CLK:
		camio_vfe_clk =
		clk = clk_get(NULL, "vfe_clk");
		msm_camio_clk_rate_set_2(clk, camio_clk.vfe_clk_rate);
		break;

	case CAMIO_VFE_CAMIF_CLK:
		camio_vfe_camif_clk =
		clk = clk_get(NULL, "vfe_camif_clk");
		break;

	case CAMIO_VFE_PBDG_CLK:
		camio_vfe_pbdg_clk =
		clk = clk_get(NULL, "vfe_pclk");
		break;

	case CAMIO_CAM_MCLK_CLK:
		camio_cam_m_clk =
		clk = clk_get(NULL, "cam_m_clk");
		msm_camio_clk_rate_set_2(clk, camio_clk.mclk_clk_rate);
		break;

	case CAMIO_CAMIF_PAD_PBDG_CLK:
		camio_camif_pad_pbdg_clk =
		clk = clk_get(NULL, "camif_pad_pclk");
		break;

	case CAMIO_CSI0_CLK:
		camio_csi_clk =
		clk = clk_get(NULL, "csi_clk");
		msm_camio_clk_rate_set_2(clk, 153600000);
		break;
	case CAMIO_CSI0_VFE_CLK:
		camio_csi_vfe_clk =
		clk = clk_get(NULL, "csi_vfe_clk");
		break;
	case CAMIO_CSI0_PCLK:
		camio_csi_pclk =
		clk = clk_get(NULL, "csi_pclk");
		break;

	case CAMIO_JPEG_CLK:
		camio_jpeg_clk =
		clk = clk_get(NULL, "jpeg_clk");
		clk_set_min_rate(clk, 144000000);
		break;
	case CAMIO_JPEG_PCLK:
		camio_jpeg_pclk =
		clk = clk_get(NULL, "jpeg_pclk");
		break;
	case CAMIO_VPE_CLK:
		camio_vpe_clk =
		clk = clk_get(NULL, "vpe_clk");
		msm_camio_clk_set_min_rate(clk, vpe_clk_rate);
		break;
	default:
		break;
	}

	if (!IS_ERR(clk))
		clk_enable(clk);
	else
		rc = -1;
	return rc;
}
开发者ID:Shabbypenguin，项目名称:Cayman-Island-Kernel，代码行数:81，代码来源:msm_io_vfe31.c

示例11: msm_iommu_probe

static int msm_iommu_probe(struct platform_device *pdev)
{
	struct resource *r, *r2;
	struct clk *iommu_clk = NULL;
	struct clk *iommu_pclk = NULL;
	struct msm_iommu_drvdata *drvdata;
	struct msm_iommu_dev *iommu_dev = pdev->dev.platform_data;
	void __iomem *regs_base;
	resource_size_t	len;
	int ret, irq, par;

	if (pdev->id == -1) {
		msm_iommu_root_dev = pdev;
		return 0;
	}

	drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL);

	if (!drvdata) {
		ret = -ENOMEM;
		goto fail;
	}

	if (!iommu_dev) {
		ret = -ENODEV;
		goto fail;
	}

	iommu_pclk = clk_get(NULL, "smmu_pclk");
	if (IS_ERR(iommu_pclk)) {
		ret = -ENODEV;
		goto fail;
	}

	ret = clk_enable(iommu_pclk);
	if (ret)
		goto fail_enable;

	iommu_clk = clk_get(&pdev->dev, "iommu_clk");

	if (!IS_ERR(iommu_clk))	{
		if (clk_get_rate(iommu_clk) == 0)
			clk_set_min_rate(iommu_clk, 1);

		ret = clk_enable(iommu_clk);
		if (ret) {
			clk_put(iommu_clk);
			goto fail_pclk;
		}
	} else
		iommu_clk = NULL;

	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "physbase");

	if (!r) {
		ret = -ENODEV;
		goto fail_clk;
	}

	len = r->end - r->start + 1;

	r2 = request_mem_region(r->start, len, r->name);
	if (!r2) {
		pr_err("Could not request memory region: start=%p, len=%d\n",
							(void *) r->start, len);
		ret = -EBUSY;
		goto fail_clk;
	}

	regs_base = ioremap(r2->start, len);

	if (!regs_base) {
		pr_err("Could not ioremap: start=%p, len=%d\n",
			 (void *) r2->start, len);
		ret = -EBUSY;
		goto fail_mem;
	}

	irq = platform_get_irq_byname(pdev, "nonsecure_irq");
	if (irq < 0) {
		ret = -ENODEV;
		goto fail_io;
	}

	msm_iommu_reset(regs_base, iommu_dev->ncb);

	SET_M(regs_base, 0, 1);
	SET_PAR(regs_base, 0, 0);
	SET_V2PCFG(regs_base, 0, 1);
	SET_V2PPR(regs_base, 0, 0);
	mb();
	par = GET_PAR(regs_base, 0);
	SET_V2PCFG(regs_base, 0, 0);
	SET_M(regs_base, 0, 0);
	mb();

	if (!par) {
		pr_err("%s: Invalid PAR value detected\n", iommu_dev->name);
		ret = -ENODEV;
		goto fail_io;
//.........这里部分代码省略.........
开发者ID:choco81，项目名称:semc-es209ra，代码行数:101，代码来源:iommu_dev.c

示例12: msm_camio_clk_enable

int msm_camio_clk_enable(enum msm_camio_clk_type clktype)
{
	int rc = 0;
	struct clk *clk = NULL;

	switch (clktype) {
	case CAMIO_CAM_MCLK_CLK:
		camio_cam_clk =
		clk = clk_get(NULL, "cam_clk");
		msm_camio_clk_rate_set_2(clk, camio_clk.mclk_clk_rate);
		break;

	case CAMIO_VFE_CLK:
		camio_vfe_clk =
		clk = clk_get(NULL, "vfe_clk");
		msm_camio_clk_rate_set_2(clk, camio_clk.vfe_clk_rate);
		break;

	case CAMIO_CSI0_VFE_CLK:
		camio_csi0_vfe_clk =
		clk = clk_get(NULL, "csi_vfe_clk");
		break;

	case CAMIO_CSI1_VFE_CLK:
		camio_csi1_vfe_clk =
		clk = clk_get(&camio_dev->dev, "csi_vfe_clk");
		break;

	case CAMIO_CSI_SRC_CLK:
		camio_csi_src_clk =
		clk = clk_get(NULL, "csi_src_clk");
		msm_camio_clk_rate_set_2(clk, 384000000);
		break;

	case CAMIO_CSI0_CLK:
		camio_csi0_clk =
		clk = clk_get(NULL, "csi_clk");
		break;

	case CAMIO_CSI1_CLK:
		camio_csi1_clk =
		clk = clk_get(&camio_dev->dev, "csi_clk");
		break;

	case CAMIO_VFE_PCLK:
		camio_vfe_pclk =
		clk = clk_get(NULL, "vfe_pclk");
		break;

	case CAMIO_CSI0_PCLK:
		camio_csi0_pclk =
		clk = clk_get(NULL, "csi_pclk");
		break;

	case CAMIO_CSI1_PCLK:
		camio_csi1_pclk =
		clk = clk_get(&camio_dev->dev, "csi_pclk");
		break;

	case CAMIO_JPEG_CLK:
		camio_jpeg_clk =
		clk = clk_get(NULL, "ijpeg_clk");
		clk_set_min_rate(clk, 144000000);
		break;

	case CAMIO_JPEG_PCLK:
		camio_jpeg_pclk =
		clk = clk_get(NULL, "ijpeg_pclk");
		break;

	case CAMIO_VPE_CLK:
		camio_vpe_clk =
		clk = clk_get(NULL, "vpe_clk");
		msm_camio_clk_set_min_rate(clk, 160000000 ); //200000000);
		break;

	case CAMIO_VPE_PCLK:
		camio_vpe_pclk =
		clk = clk_get(NULL, "vpe_pclk");
		break;

	default:
		break;
	}

	if (!IS_ERR(clk))
		clk_enable(clk);
	else
		rc = -1;
	return rc;
}
开发者ID:victor2002，项目名称:a770k_kernel，代码行数:91，代码来源:msm_io_8x60.c


注：本文中的clk_set_min_rate函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。