C++ (Cpp) archos_gpio_init_input Examples

Example #1

File: archos-accel.c Project: alephzain/archos-gpl-gen8-kernel

int __init archos_accel_init(struct mma7660fc_pdata *pdata)
{
	struct archos_accel_conf accel_gpio;
	const struct archos_accel_config *accel_cfg;
	
	accel_cfg = omap_get_config( ARCHOS_TAG_ACCEL, struct archos_accel_config );
	if (accel_cfg == NULL) {
		printk(KERN_DEBUG "archos_accel_init: no board configuration found\n");
		return -ENODEV;
	}
	if ( hardware_rev >= accel_cfg->nrev ) {
		printk(KERN_DEBUG "archos_accel_init: hardware_rev (%i) >= nrev (%i)\n",
			hardware_rev, accel_cfg->nrev);
		return -ENODEV;
	}

	accel_gpio = accel_cfg->rev[hardware_rev];

	/* irq needed by the driver */
	if (GPIO_PIN( accel_gpio.accel_int1 ) != -1)
		pdata->irq = gpio_to_irq(GPIO_PIN( accel_gpio.accel_int1 ));
	else
		pdata->irq = -1;
	printk("archos_accel_init: irq %d\n",pdata->irq);

	archos_gpio_init_input( &accel_gpio.accel_int1, "accel_int1");
	return 0;
}

Example #2

int __init archos_audio_gpio_init(void)
{
	const struct archos_audio_config *audio_cfg;
	struct clk *clkout2_src_ck;
	struct clk *sys_clkout2;
	struct clk *core_ck;

	/* audio  */
	audio_cfg = omap_get_config( ARCHOS_TAG_AUDIO, struct archos_audio_config );
	if (audio_cfg == NULL) {
		pr_err("archos_audio_gpio_init: no board configuration found\n");
		return -ENODEV;
	}
	if ( hardware_rev >= audio_cfg->nrev ) {
		pr_err("archos_audio_gpio_init: hardware_rev (%i) >= nrev (%i)\n",
			hardware_rev, audio_cfg->nrev);
		return -ENODEV;
	}

	audio_gpio = audio_cfg->rev[hardware_rev];

	// a32 & a43 protos where using clkout1.
	if (hardware_rev >= 1 || !(machine_is_archos_a32() || machine_is_archos_a43())) {
		core_ck = clk_get(NULL, "cm_96m_fck");
		if (IS_ERR(core_ck)) {
			printk(KERN_ERR "failed to get core_ck\n");
		}
	
		clkout2_src_ck = clk_get(NULL, "clkout2_src_ck");
		if (IS_ERR(clkout2_src_ck)) {
			printk(KERN_ERR "failed to get clkout2_src_ck\n");
		}
	
		sys_clkout2 = clk_get(NULL, "sys_clkout2");
		if (IS_ERR(sys_clkout2)) {
			printk(KERN_ERR "failed to get sys_clkout2\n");
		}
	
		if ( clk_set_parent(clkout2_src_ck, core_ck) != 0) {
			printk(KERN_ERR "failed to set sys_clkout2 parent to clkout2\n");
		}
	
		/* Set the clock to 12 Mhz */
		omap2_clksel_set_rate(sys_clkout2, 12000000);

		clk_put(sys_clkout2);
		clk_put(clkout2_src_ck);
		clk_put(core_ck);

		sysclock_name = sys_clkout2_name;
		use_mcbsp1_fclk = 1;
	} else {
		sysclock_name = sys_clkout1_name;
	}

	if (GPIO_PIN( audio_gpio.spdif ) != -1)
		archos_gpio_init_output( &audio_gpio.spdif, "spdif" );

	if (GPIO_PIN( audio_gpio.hp_on ) != -1)
		archos_gpio_init_output( &audio_gpio.hp_on, "hp_on" );

	if (GPIO_PIN( audio_gpio.headphone_plugged ) != -1)
		archos_gpio_init_input( &audio_gpio.headphone_plugged, "hp_detect" );

	if (GPIO_PIN( audio_gpio.vamp_vbat ) != -1)
		archos_gpio_init_output( &audio_gpio.vamp_vbat, "vamp_vbat" );
	if (GPIO_PIN( audio_gpio.vamp_dc ) != -1)
		archos_gpio_init_output( &audio_gpio.vamp_dc, "vamp_dc" );

	// XXX maybe prevents OFF mode?
	if (GPIO_PIN( audio_gpio.headphone_plugged ) != -1)
		gpio_set_debounce(GPIO_PIN(audio_gpio.headphone_plugged), (1 + 1) * 0x1f);

	if (GPIO_PIN(audio_gpio.vamp_dc) != -1) {
		int ret = platform_device_register(&archos_audio_vamp_device);
		if (ret < 0)
			return ret;

		ret = platform_driver_register(&archos_audio_vamp_driver);
		if (ret < 0)
			return ret;

		ret = device_create_file(&archos_audio_vamp_device.dev, &dev_attr_vamp_vusb_ctrl);
		if (ret < 0)
			return ret;

		hrtimer_init(&vamp_watchdog_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
		vamp_watchdog_timer.function = vamp_watchdog_timer_func;
	}

	pr_debug("%s init done\n", __FUNCTION__);
	return 0;
}