diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-09 22:22:40 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-09 22:22:40 -0800 |
commit | 5d43889c07bb38694742936aa70d1187c012e198 (patch) | |
tree | 73809dddae39ae3b746396e9779142dbd1973f33 /drivers/input/misc | |
parent | 95f75e91588afecfb0090988393653d21f5d1f91 (diff) | |
parent | 374b105797c3d4f29c685f3be535c35f5689b30e (diff) |
Merge tag 'v3.13-rc3' into for-linus
Merging with the mainline to sync up on changes to serio core.
Diffstat (limited to 'drivers/input/misc')
-rw-r--r-- | drivers/input/misc/ixp4xx-beeper.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/input/misc/ixp4xx-beeper.c b/drivers/input/misc/ixp4xx-beeper.c index f34beb228d36..17ccba88d636 100644 --- a/drivers/input/misc/ixp4xx-beeper.c +++ b/drivers/input/misc/ixp4xx-beeper.c @@ -20,6 +20,7 @@ #include <linux/delay.h> #include <linux/platform_device.h> #include <linux/interrupt.h> +#include <linux/gpio.h> #include <mach/hardware.h> MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); @@ -35,15 +36,12 @@ static void ixp4xx_spkr_control(unsigned int pin, unsigned int count) spin_lock_irqsave(&beep_lock, flags); - if (count) { - gpio_line_config(pin, IXP4XX_GPIO_OUT); - gpio_line_set(pin, IXP4XX_GPIO_LOW); - + if (count) { + gpio_direction_output(pin, 0); *IXP4XX_OSRT2 = (count & ~IXP4XX_OST_RELOAD_MASK) | IXP4XX_OST_ENABLE; } else { - gpio_line_config(pin, IXP4XX_GPIO_IN); - gpio_line_set(pin, IXP4XX_GPIO_HIGH); - + gpio_direction_output(pin, 1); + gpio_direction_input(pin); *IXP4XX_OSRT2 = 0; } @@ -78,11 +76,13 @@ static int ixp4xx_spkr_event(struct input_dev *dev, unsigned int type, unsigned static irqreturn_t ixp4xx_spkr_interrupt(int irq, void *dev_id) { + unsigned int pin = (unsigned int) dev_id; + /* clear interrupt */ *IXP4XX_OSST = IXP4XX_OSST_TIMER_2_PEND; /* flip the beeper output */ - *IXP4XX_GPIO_GPOUTR ^= (1 << (unsigned int) dev_id); + gpio_set_value(pin, !gpio_get_value(pin)); return IRQ_HANDLED; } @@ -110,11 +110,15 @@ static int ixp4xx_spkr_probe(struct platform_device *dev) input_dev->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE); input_dev->event = ixp4xx_spkr_event; + err = gpio_request(dev->id, "ixp4-beeper"); + if (err) + goto err_free_device; + err = request_irq(IRQ_IXP4XX_TIMER2, &ixp4xx_spkr_interrupt, IRQF_NO_SUSPEND, "ixp4xx-beeper", (void *) dev->id); if (err) - goto err_free_device; + goto err_free_gpio; err = input_register_device(input_dev); if (err) @@ -126,6 +130,8 @@ static int ixp4xx_spkr_probe(struct platform_device *dev) err_free_irq: free_irq(IRQ_IXP4XX_TIMER2, (void *)dev->id); + err_free_gpio: + gpio_free(dev->id); err_free_device: input_free_device(input_dev); @@ -144,6 +150,7 @@ static int ixp4xx_spkr_remove(struct platform_device *dev) ixp4xx_spkr_control(pin, 0); free_irq(IRQ_IXP4XX_TIMER2, (void *)dev->id); + gpio_free(dev->id); return 0; } |