C++ (Cpp) param_set_byte Examples

Example #1

/*
 * Read in the new attribute value.
 */
static ssize_t msm_pm_mode_attr_store(struct kobject *kobj,
	struct kobj_attribute *attr, const char *buf, size_t count)
{
	int ret = -EINVAL;
	int i;
    KDEBUG_FUNC();
	for (i = 0; i < MSM_PM_SLEEP_MODE_NR; i++) {
		struct kernel_param kp;

		if (strcmp(kobj->name, msm_pm_sleep_mode_labels[i]))
			continue;

		if (!strcmp(attr->attr.name,
			MSM_PM_MODE_ATTR_SUSPEND_ENABLED)) {
			kp.arg = &msm_pm_modes[i].suspend_enabled;
			ret = param_set_byte(buf, &kp);
		} else if (!strcmp(attr->attr.name,
			MSM_PM_MODE_ATTR_IDLE_ENABLED)) {
			kp.arg = &msm_pm_modes[i].idle_enabled;
			ret = param_set_byte(buf, &kp);
		} else if (!strcmp(attr->attr.name,
			MSM_PM_MODE_ATTR_LATENCY)) {
			kp.arg = &msm_pm_modes[i].latency;
			ret = param_set_ulong(buf, &kp);
		} else if (!strcmp(attr->attr.name,
			MSM_PM_MODE_ATTR_RESIDENCY)) {
			kp.arg = &msm_pm_modes[i].residency;
			ret = param_set_ulong(buf, &kp);
		}

		break;
	}

	return ret ? ret : count;
}

Example #2

File: pm2.c Project: 18712886438/NewWorld-F160-JB-Kernel

/*
 * Read in the new attribute value.
 */
static ssize_t msm_pm_mode_attr_store(struct kobject *kobj,
	struct kobj_attribute *attr, const char *buf, size_t count)
{
	int ret = -EINVAL;
	int i;

	for (i = 0; i < MSM_PM_SLEEP_MODE_NR; i++) {
		struct kernel_param kp;
		unsigned int cpu;
		struct msm_pm_platform_data *mode;

		if (msm_pm_sleep_mode_labels[i] == NULL)
			continue;

		if (strcmp(kobj->name, msm_pm_sleep_mode_labels[i]))
			continue;

		cpu = GET_CPU_OF_ATTR(attr);
		mode = &msm_pm_modes[MSM_PM_MODE(cpu, i)];

		if (!strcmp(attr->attr.name,
			msm_pm_mode_attr_labels[MSM_PM_MODE_ATTR_SUSPEND])) {
			kp.arg = &mode->suspend_enabled;
			ret = param_set_byte(buf, &kp);
		} else if (!strcmp(attr->attr.name,
			msm_pm_mode_attr_labels[MSM_PM_MODE_ATTR_IDLE])) {
			kp.arg = &mode->idle_enabled;
			ret = param_set_byte(buf, &kp);
		} else if (!strcmp(attr->attr.name,
			msm_pm_mode_attr_labels[MSM_PM_MODE_ATTR_LATENCY])) {
			kp.arg = &mode->latency;
			ret = param_set_ulong(buf, &kp);
		} else if (!strcmp(attr->attr.name,
			msm_pm_mode_attr_labels[MSM_PM_MODE_ATTR_RESIDENCY])) {
			kp.arg = &mode->residency;
			ret = param_set_ulong(buf, &kp);
		}

		break;
	}

	return ret ? ret : count;
}

Example #3

File: clevo-xsm-wmi.c Project: hickscorp/clevo-xsm-wmi

static int param_set_kb_brightness(const char *val,
	const struct kernel_param *kp)
{
	int ret;

	ret = param_set_byte(val, kp);

	if (!ret && *((unsigned char *) kp->arg) > KB_BRIGHTNESS_MAX)
		return -EINVAL;

	return ret;
}

Example #4

File: clevo-xsm-wmi.c Project: hickscorp/clevo-xsm-wmi

static int param_set_poll_freq(const char *val, const struct kernel_param *kp)
{
	int ret;

	ret = param_set_byte(val, kp);

	if (!ret)
		*((unsigned char *) kp->arg) = clamp_t(unsigned char,
											   *((unsigned char *) kp->arg),
											   POLL_FREQ_MIN, POLL_FREQ_MAX);

	return ret;
}