iio: iio.h: use nested struct support on kernel-doc markup

Solve those Sphinx warnings:

    ./include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.sign' not described in 'iio_chan_spec'
    ./include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.realbits' not described in 'iio_chan_spec'
    ./include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.storagebits' not described in 'iio_chan_spec'
    ./include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.shift' not described in 'iio_chan_spec'
    ./include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.repeat' not described in 'iio_chan_spec'
    ./include/linux/iio/iio.h:270: warning: Function parameter or member 'scan_type.endianness' not described in 'iio_chan_spec'

    ./include/linux/iio/iio.h:191: WARNING: Unexpected indentation.
    ./include/linux/iio/iio.h:192: WARNING: Block quote ends without a blank line; unexpected unindent.
    ./include/linux/iio/iio.h:198: WARNING: Definition list ends without a blank line; unexpected unindent.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 11579fd..a74cb17 100644 (file)
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -183,18 +183,18 @@ struct iio_event_spec {
  * @address:           Driver specific identifier.
  * @scan_index:                Monotonic index to give ordering in scans when read
  *                     from a buffer.
- * @scan_type:         sign:           's' or 'u' to specify signed or unsigned
- *                     realbits:       Number of valid bits of data
- *                     storagebits:    Realbits + padding
- *                     shift:          Shift right by this before masking out
- *                                     realbits.
- *                     repeat:         Number of times real/storage bits
- *                                     repeats. When the repeat element is
- *                                     more than 1, then the type element in
- *                                     sysfs will show a repeat value.
- *                                     Otherwise, the number of repetitions is
- *                                     omitted.
- *                     endianness:     little or big endian
+ * @scan_type:         struct describing the scan type
+ * @scan_type.sign:            's' or 'u' to specify signed or unsigned
+ * @scan_type.realbits:                Number of valid bits of data
+ * @scan_type.storagebits:     Realbits + padding
+ * @scan_type.shift:           Shift right by this before masking out
+ *                             realbits.
+ * @scan_type.repeat:          Number of times real/storage bits repeats.
+ *                             When the repeat element is more than 1, then
+ *                             the type element in sysfs will show a repeat
+ *                             value. Otherwise, the number of repetitions
+ *                             is omitted.
+ * @scan_type.endianness:      little or big endian
  * @info_mask_separate: What information is to be exported that is specific to
  *                     this channel.
  * @info_mask_separate_available: What availability information is to be