Exemplos de snd_timer_global_register em C++ (Cpp)

Exemplo n.º 1

Arquivo: rtctimer.c Projeto: BackupTheBerlios/tew632-brp-svn

/*
 *  ENTRY functions
 */
static int __init rtctimer_init(void)
{
	int err;
	snd_timer_t *timer;

	if (rtctimer_freq < 2 || rtctimer_freq > 8192 ||
	    (rtctimer_freq & (rtctimer_freq - 1)) != 0) {
		snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n",
			   rtctimer_freq);
		return -EINVAL;
	}

	/* Create a new timer and set up the fields */
	err = snd_timer_global_new("rtc", SNDRV_TIMER_GLOBAL_RTC, &timer);
	if (err < 0)
		return err;

	timer->module = THIS_MODULE;
	strcpy(timer->name, "RTC timer");
	timer->hw = rtc_hw;
	timer->hw.resolution = NANO_SEC / rtctimer_freq;

	/* set up RTC callback */
	rtc_task.func = rtctimer_interrupt;
	rtc_task.private_data = timer;

	err = snd_timer_global_register(timer);
	if (err < 0) {
		snd_timer_global_free(timer);
		return err;
	}
	rtctimer = timer; /* remember this */

	return 0;
}

Exemplo n.º 2

Arquivo: rtctimer.c Projeto: romanbb/android_kernel_lge_d851

static int __init rtctimer_init(void)
{
	int err;
	struct snd_timer *timer;

	if (rtctimer_freq < 2 || rtctimer_freq > 8192 ||
	    !is_power_of_2(rtctimer_freq)) {
		snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n",
			   rtctimer_freq);
		return -EINVAL;
	}

	/*                                          */
	err = snd_timer_global_new("rtc", SNDRV_TIMER_GLOBAL_RTC, &timer);
	if (err < 0)
		return err;

	timer->module = THIS_MODULE;
	strcpy(timer->name, "RTC timer");
	timer->hw = rtc_hw;
	timer->hw.resolution = NANO_SEC / rtctimer_freq;

	tasklet_init(&rtc_tasklet, rtctimer_tasklet, (unsigned long)timer);

	/*                     */
	rtc_task.func = rtctimer_interrupt;
	rtc_task.private_data = &rtc_tasklet;

	err = snd_timer_global_register(timer);
	if (err < 0) {
		snd_timer_global_free(timer);
		return err;
	}
	rtctimer = timer; /*               */

	return 0;
}