drm: Fix LSPCON kernel-doc

Fix warnings on building htmldocs.

v2: whitespace around '/' (Ville)

Fixes: 056996b95686 ("drm: Helper for lspcon in drm_dp_dual_mode")
Cc: Rodrigo Vivi <[e-mail]>
Cc: Shashank Sharma <[e-mail]>
Cc: <[e-mail]>
Reviewed-by: Ville Syrjälä <[e-mail]>
Signed-off-by: Jani Nikula <[e-mail]>
Link: http://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/drm_dp_dual_mode_helper.c

···
 
 /**
  * drm_lspcon_get_mode: Get LSPCON's current mode of operation by
- * by reading offset (0x80, 0x41)
- * @i2c_adapter: I2C-over-aux adapter
- * @current_mode: out vaiable, current lspcon mode of operation
+ * reading offset (0x80, 0x41)
+ * @adapter: I2C-over-aux adapter
+ * @mode: current lspcon mode of operation output variable
  *
  * Returns:
  * 0 on success, sets the current_mode value to appropriate mode
···
 EXPORT_SYMBOL(drm_lspcon_get_mode);
 
 /**
- * drm_lspcon_change_mode: Change LSPCON's mode of operation by
- * by writing offset (0x80, 0x40)
- * @i2c_adapter: I2C-over-aux adapter
- * @reqd_mode: required mode of operation
+ * drm_lspcon_set_mode: Change LSPCON's mode of operation by
+ * writing offset (0x80, 0x40)
+ * @adapter: I2C-over-aux adapter
+ * @mode: required mode of operation
  *
  * Returns:
  * 0 on success, -error on failure/timeout

include/drm/drm_dp_dual_mode_helper.h

···
 			       u8 offset, const void *buffer, size_t size);
 
 /**
-* enum drm_lspcon_mode
-* @lspcon_mode_ls: Level shifter mode of LSPCON
-*	which drives DP++ to HDMI 1.4 conversion.
-* @lspcon_mode_pcon: Protocol converter mode of LSPCON
-*	which drives DP++ to HDMI 2.0 active conversion.
-*/
+ * enum drm_lspcon_mode
+ * @DRM_LSPCON_MODE_INVALID: No LSPCON.
+ * @DRM_LSPCON_MODE_LS: Level shifter mode of LSPCON
+ *	which drives DP++ to HDMI 1.4 conversion.
+ * @DRM_LSPCON_MODE_PCON: Protocol converter mode of LSPCON
+ *	which drives DP++ to HDMI 2.0 active conversion.
+ */
 enum drm_lspcon_mode {
 	DRM_LSPCON_MODE_INVALID,
 	DRM_LSPCON_MODE_LS,
···
  * @DRM_DP_DUAL_MODE_TYPE1_HDMI: Type 1 HDMI adaptor
  * @DRM_DP_DUAL_MODE_TYPE2_DVI: Type 2 DVI adaptor
  * @DRM_DP_DUAL_MODE_TYPE2_HDMI: Type 2 HDMI adaptor
- * @DRM_DP_DUAL_MODE_TYPE2_LSPCON: Level shifter /protocol converter
+ * @DRM_DP_DUAL_MODE_LSPCON: Level shifter / protocol converter
  */
 enum drm_dp_dual_mode_type {
 	DRM_DP_DUAL_MODE_NONE,