drm: Fix LSPCON kernel-doc

Fix warnings on building htmldocs.

v2: whitespace around '/' (Ville)

Fixes: 056996b9 ("drm: Helper for lspcon in drm_dp_dual_mode")
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Shashank Sharma <shashank.sharma@intel.com>
Cc: <dri-devel@lists.freedesktop.org>
Reviewed-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: NJani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1476878884-2370-1-git-send-email-jani.nikula@intel.com

drivers/gpu/drm/drm_dp_dual_mode_helper.c

@@ -377,9 +377,9 @@ EXPORT_SYMBOL(drm_dp_get_dual_mode_type_name);
 
 /**
  * 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
@@ -413,10 +413,10 @@ int drm_lspcon_get_mode(struct i2c_adapter *adapter,
 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

@@ -70,12 +70,13 @@ ssize_t drm_dp_dual_mode_write(struct i2c_adapter *adapter,
 			       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,
@@ -90,7 +91,7 @@ enum drm_lspcon_mode {
  * @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,