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Merged in paulpatience/nuttx/gpio (pull request #85)

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ioexpander/gpio: Add missing argument to gpin_read and gpout_read
This commit is contained in:
Gregory Nutt 2016-07-05 14:10:50 -06:00
commit 2456014f34
2 changed files with 60 additions and 47 deletions
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19
drivers/ioexpander/gpio.c
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@ -168,7 +168,7 @@ static int gpio_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
{
FAR struct inode *inode;
FAR struct gpio_common_dev_s *dev;
int ret = OK;
int ret;
DEBUGASSERT(filep != NULL && filep->f_inode != NULL);
inode = filep->f_inode;
@ -205,13 +205,17 @@ static int gpio_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
*/
case GPIO_READ:
{
FAR int *ptr = (FAR int *)((uintptr_t)arg);
DEBUGASSERT(ptr != NULL);
if (dev->gp_output)
{
FAR struct gpio_output_dev_s *outdev =
(FAR struct gpio_output_dev_s *)dev;
DEBUGASSERT(outdev->gpout_read != NULL);
ret = outdev->gpout_read(outdev);
ret = outdev->gpout_read(outdev, ptr);
}
else
{
@ -219,8 +223,17 @@ static int gpio_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
(FAR struct gpio_input_dev_s *)dev;
DEBUGASSERT(indev->gpin_read != NULL);
ret = indev->gpin_read(indev);
ret = indev->gpin_read(indev, ptr);
}
DEBUGASSERT(ret < 0 || *ptr == 0 || *ptr == 1);
}
break;
/* Unrecognized command */
default:
ret = -ENOTTY;
break;
}

4
include/nuttx/ioexpander/gpio.h
View File

@ -85,7 +85,7 @@ struct gpio_input_dev_s
/* Fields unique to input pins */
CODE int (*gpin_read)(FAR struct gpio_input_dev_s *dev);
CODE int (*gpin_read)(FAR struct gpio_input_dev_s *dev, FAR int *value);
/* Lower-half private definitions may follow */
};
@ -101,7 +101,7 @@ struct gpio_output_dev_s
/* Fields unique to output pins */
CODE int (*gpout_read)(FAR struct gpio_output_dev_s *dev);
CODE int (*gpout_read)(FAR struct gpio_output_dev_s *dev, FAR int *value);
CODE int (*gpout_write)(FAR struct gpio_output_dev_s *dev, int value);
/* Lower-half private definitions may follow */