media: v4l2-core: Fix kernel-doc markups

There are some troubles on kernel-doc markups, as warned:

drivers/media/v4l2-core/v4l2-dv-timings.c:259: warning: No description found for parameter 't1'
drivers/media/v4l2-core/v4l2-dv-timings.c:259: warning: No description found for parameter 't2'
drivers/media/v4l2-core/v4l2-dv-timings.c:259: warning: No description found for parameter 'pclock_delta'
drivers/media/v4l2-core/v4l2-dv-timings.c:259: warning: No description found for parameter 'match_reduced_fps'
drivers/media/v4l2-core/tuner-core.c:242: warning: bad line: internal parameters, like LNA mode
drivers/media/v4l2-core/tuner-core.c:765: warning: No description found for parameter 'mode'
drivers/media/v4l2-core/videobuf2-memops.c:127: warning: cannot understand function prototype: 'const struct vm_operations_struct vb2_common_vm_ops = '
drivers/media/v4l2-core/v4l2-mem2mem.c:190: warning: No description found for parameter 'm2m_dev'
drivers/media/v4l2-core/v4l2-mem2mem.c:291: warning: No description found for parameter 'm2m_ctx'
drivers/media/v4l2-core/videobuf-core.c:233: warning: No description found for parameter 'q'

Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/v4l2-core/tuner-core.c

···
  * @type:		type of the tuner (e. g. tuner number)
  * @new_mode_mask:	Indicates if tuner supports TV and/or Radio
  * @new_config:		an optional parameter used by a few tuners to adjust
-			internal parameters, like LNA mode
+ *			internal parameters, like LNA mode
  * @tuner_callback:	an optional function to be called when switching
  *			to analog mode
  *
···
 /**
  * check_mode - Verify if tuner supports the requested mode
  * @t: a pointer to the module's internal struct_tuner
+ * @mode: mode of the tuner, as defined by &enum v4l2_tuner_type.
  *
  * This function checks if the tuner is capable of tuning analog TV,
  * digital TV or radio, depending on what the caller wants. If the
···
  * returns 0.
  * This function is needed for boards that have a separate tuner for
  * radio (like devices with tea5767).
+ *
  * NOTE: mt20xx uses V4L2_TUNER_DIGITAL_TV and calls set_tv_freq to
  *       select a TV frequency. So, t_mode = T_ANALOG_TV could actually
  *	 be used to represent a Digital TV too.

drivers/media/v4l2-core/v4l2-dv-timings.c

···
 
 /**
  * v4l2_match_dv_timings - check if two timings match
- * @t1 - compare this v4l2_dv_timings struct...
- * @t2 - with this struct.
- * @pclock_delta - the allowed pixelclock deviation.
- * @match_reduced_fps - if true, then fail if V4L2_DV_FL_REDUCED_FPS does not
- * match.
+ * @t1: compare this v4l2_dv_timings struct...
+ * @t2: with this struct.
+ * @pclock_delta: the allowed pixelclock deviation.
+ * @match_reduced_fps: if true, then fail if V4L2_DV_FL_REDUCED_FPS does not
+ * 	match.
  *
  * Compare t1 with t2 with a given margin of error for the pixelclock.
  */

drivers/media/v4l2-core/v4l2-mem2mem.c

···
 
 /**
  * v4l2_m2m_try_run() - select next job to perform and run it if possible
+ * @m2m_dev: per-device context
  *
  * Get next transaction (if present) from the waiting jobs list and run it.
  */
···
 
 /**
  * v4l2_m2m_cancel_job() - cancel pending jobs for the context
+ * @m2m_ctx: m2m context with jobs to be canceled
  *
  * In case of streamoff or release called on any context,
  * 1] If the context is currently running, then abort job will be called

drivers/media/v4l2-core/videobuf-core.c

···
 }
 EXPORT_SYMBOL_GPL(videobuf_queue_is_busy);
 
-/**
+/*
  * __videobuf_free() - free all the buffers and their control structures
  *
  * This function can only be called if streaming/reading is off, i.e. no buffers

drivers/media/v4l2-core/videobuf2-memops.c

···
 	h->put(h->arg);
 }
 
-/**
+/*
  * vb2_common_vm_ops - common vm_ops used for tracking refcount of mmaped
  * video buffers
  */