diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2013-01-31 21:42:00 +0000 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-02-02 09:51:56 +0000 |
| commit | 1daed9becdd4c9a3f75a84ebdb4d05b4dade8512 (patch) | |
| tree | d5a8fd29834ddd958ec048ca685e23e8d590c390 | |
| parent | c4ac7b98bdeb04ffe867512f938a77d517cd9c6e (diff) | |
staging/iio: (iio_hwmon) Add support for sysfs name attribute
The 'name' attribute is mandatory for hwmon devices.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| -rw-r--r-- | drivers/staging/iio/iio_hwmon.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/staging/iio/iio_hwmon.c b/drivers/staging/iio/iio_hwmon.c index fba86052deb2..a9f3b64714f2 100644 --- a/drivers/staging/iio/iio_hwmon.c +++ b/drivers/staging/iio/iio_hwmon.c @@ -55,6 +55,14 @@ static ssize_t iio_hwmon_read_val(struct device *dev, return sprintf(buf, "%d\n", result); } +static ssize_t show_name(struct device *dev, struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "iio_hwmon\n"); +} + +static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); + static int iio_hwmon_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -77,7 +85,7 @@ static int iio_hwmon_probe(struct platform_device *pdev) st->num_channels++; st->attrs = devm_kzalloc(dev, - sizeof(*st->attrs) * (st->num_channels + 1), + sizeof(*st->attrs) * (st->num_channels + 2), GFP_KERNEL); if (st->attrs == NULL) { ret = -ENOMEM; @@ -125,7 +133,7 @@ static int iio_hwmon_probe(struct platform_device *pdev) a->index = i; st->attrs[i] = &a->dev_attr.attr; } - + st->attrs[st->num_channels] = &dev_attr_name.attr; st->attr_group.attrs = st->attrs; platform_set_drvdata(pdev, st); ret = sysfs_create_group(&dev->kobj, &st->attr_group); |