mutex_lock(&data->mutex);
gpiod_get_direction(desc);
- status = sprintf(buf, "%s\n",
- test_bit(FLAG_IS_OUT, &desc->flags)
- ? "out" : "in");
+ status = sysfs_emit(buf, "%s\n",
+ test_bit(FLAG_IS_OUT, &desc->flags) ? "out" : "in");
mutex_unlock(&data->mutex);
mutex_lock(&data->mutex);
status = gpiod_get_value_cansleep(desc);
- if (status < 0)
- goto err;
+ if (status >= 0)
+ status = sysfs_emit(buf, "%zd\n", status);
- buf[0] = '0' + status;
- buf[1] = '\n';
- status = 2;
-err:
mutex_unlock(&data->mutex);
return status;
mutex_lock(&data->mutex);
for (i = 0; i < ARRAY_SIZE(trigger_types); i++) {
- if (data->irq_flags == trigger_types[i].flags) {
- status = sprintf(buf, "%s\n", trigger_types[i].name);
+ if (data->irq_flags == trigger_types[i].flags)
break;
- }
}
+ if (i < ARRAY_SIZE(trigger_types))
+ status = sysfs_emit(buf, "%s\n", trigger_types[i].name);
mutex_unlock(&data->mutex);
mutex_lock(&data->mutex);
- status = sprintf(buf, "%d\n",
- !!test_bit(FLAG_ACTIVE_LOW, &desc->flags));
+ status = sysfs_emit(buf, "%d\n",
+ !!test_bit(FLAG_ACTIVE_LOW, &desc->flags));
mutex_unlock(&data->mutex);
{
const struct gpio_chip *chip = dev_get_drvdata(dev);
- return sprintf(buf, "%d\n", chip->base);
+ return sysfs_emit(buf, "%d\n", chip->base);
}
static DEVICE_ATTR_RO(base);
{
const struct gpio_chip *chip = dev_get_drvdata(dev);
- return sprintf(buf, "%s\n", chip->label ? : "");
+ return sysfs_emit(buf, "%s\n", chip->label ?: "");
}
static DEVICE_ATTR_RO(label);
{
const struct gpio_chip *chip = dev_get_drvdata(dev);
- return sprintf(buf, "%u\n", chip->ngpio);
+ return sysfs_emit(buf, "%u\n", chip->ngpio);
}
static DEVICE_ATTR_RO(ngpio);