media: frontend: describe nested structs

There are some nested structs on this header, with aren't
properly document them.

This should solve some warnings after the addition of
a patche at kernel-doc adding support for nested structs/unions.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/include/uapi/linux/dvb/frontend.h b/include/uapi/linux/dvb/frontend.h
index b297b65845d63b6c3b79a0d4aa37cb913bf49a2a..9dad6c66cc34fc35716fa42d59ae278a7f5de032 100644 (file)
--- a/include/uapi/linux/dvb/frontend.h
+++ b/include/uapi/linux/dvb/frontend.h
@@ -756,16 +756,15 @@ enum fecap_scale_params {
 /**
  * struct dtv_stats - Used for reading a DTV status property
  *
- * @scale:     Filled with enum fecap_scale_params - the scale
- *             in usage for that parameter
+ * @scale:
+ *     Filled with enum fecap_scale_params - the scale in usage
+ *     for that parameter
  *
- * The ``{unnamed_union}`` may have either one of the values below:
- *
- * %svalue
+ * @svalue:
  *     integer value of the measure, for %FE_SCALE_DECIBEL,
  *     used for dB measures. The unit is 0.001 dB.
  *
- * %uvalue
+ * @uvalue:
  *     unsigned integer value of the measure, used when @scale is
  *     either %FE_SCALE_RELATIVE or %FE_SCALE_COUNTER.
  *
@@ -828,19 +827,19 @@ struct dtv_fe_stats {
 /**
  * struct dtv_property - store one of frontend command and its value
  *
- * @cmd:       Digital TV command.
- * @reserved:  Not used.
- * @u:         Union with the values for the command.
- * @result:    Unused
- *
- * The @u union may have either one of the values below:
+ * @cmd:               Digital TV command.
+ * @reserved:          Not used.
+ * @u:                 Union with the values for the command.
+ * @u.data:            A unsigned 32 bits integer with command value.
+ * @u.buffer:          Struct to store bigger properties.
+ *                     Currently unused.
+ * @u.buffer.data:     an unsigned 32-bits array.
+ * @u.buffer.len:      number of elements of the buffer.
+ * @u.buffer.reserved1:        Reserved.
+ * @u.buffer.reserved2:        Reserved.
+ * @u.st:              a &struct dtv_fe_stats array of statistics.
+ * @result:            Currently unused.
  *
- * %data
- *     an unsigned 32-bits number.
- * %st
- *     a &struct dtv_fe_stats array of statistics.
- * %buffer
- *     a buffer of up to 32 characters (currently unused).
  */
 struct dtv_property {
        __u32 cmd;