staging:iio: rework of attribute registration.

[deliverable/linux.git] / drivers / staging / iio / iio.h

diff --git a/drivers/staging/iio/iio.h b/drivers/staging/iio/iio.h
index fad88fcad7ef43c08844df2dbad8abf19c60248f..a59988fd8364796933649f12333bd19aaf7b227f 100644 (file)
--- a/drivers/staging/iio/iio.h
+++ b/drivers/staging/iio/iio.h
@@ -283,9 +283,12 @@ struct iio_info {
  * @num_channels:      [DRIVER] number of chanels specified in @channels.
  * @channel_attr_list: [INTERN] keep track of automatically created channel
  *                     attributes
+ * @chan_attr_group:   [INTERN] group for all attrs in base directory
  * @name:              [DRIVER] name of the device.
  * @info:              [DRIVER] callbacks and constant info from driver
  * @chrdev:            [INTERN] associated character device
+ * @groups:            [INTERN] attribute groups
+ * @groupcounter:      [INTERN] index of next attribute group
  **/
 struct iio_dev {
        int                             id;
@@ -308,9 +311,13 @@ struct iio_dev {
        int                             num_channels;
 
        struct list_head                channel_attr_list;
+       struct attribute_group          chan_attr_group;
        const char                      *name;
        const struct iio_info           *info;
        struct cdev                     chrdev;
+#define IIO_MAX_GROUPS 6
+       const struct attribute_group    *groups[IIO_MAX_GROUPS + 1];
+       int                             groupcounter;
 };
 
 /**