media: atomisp: Remove atomisp_get_metadata_type()

atomisp_get_metadata_type() always returns ATOMISP_MAIN_METADATA,
replace its uses with ATOMISP_MAIN_METADATA and remove it.

Link: https://lore.kernel.org/r/20230221145906.8113-7-hdegoede@redhat.comReviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/atomisp/pci/atomisp_cmd.c

@@ -728,13 +728,6 @@ static void atomisp_recover_params_queue(struct atomisp_video_pipe *pipe)
 	atomisp_handle_parameter_and_buffer(pipe);
 }
 
-enum atomisp_metadata_type
-atomisp_get_metadata_type(struct atomisp_sub_device *asd,
-			  enum ia_css_pipe_id pipe_id)
-{
-	return ATOMISP_MAIN_METADATA;
-}
-
 void atomisp_buf_done(struct atomisp_sub_device *asd, int error,
 		      enum ia_css_buffer_type buf_type,
 		      enum ia_css_pipe_id css_pipe_id,
@@ -806,7 +799,7 @@ void atomisp_buf_done(struct atomisp_sub_device *asd, int error,
 		if (error)
 			break;
 
-		md_type = atomisp_get_metadata_type(asd, css_pipe_id);
+		md_type = ATOMISP_MAIN_METADATA;
 		list_for_each_entry_safe(md_iter, _md_buf_tmp,
 					 &asd->metadata_in_css[md_type], list) {
 			if (md_iter->metadata ==

drivers/staging/media/atomisp/pci/atomisp_cmd.h

@@ -313,11 +313,6 @@ void atomisp_init_raw_buffer_bitmap(struct atomisp_sub_device *asd);
 int atomisp_enable_dz_capt_pipe(struct atomisp_sub_device *asd,
 				unsigned int *enable);
 
-/* Function to get metadata type bu pipe id */
-enum atomisp_metadata_type
-atomisp_get_metadata_type(struct atomisp_sub_device *asd,
-			  enum ia_css_pipe_id pipe_id);
-
 u32 atomisp_get_pixel_depth(u32 pixelformat);
 
 /* Function for HAL to inject a fake event to wake up poll thread */

drivers/staging/media/atomisp/pci/atomisp_fops.c

@@ -112,8 +112,7 @@ static int atomisp_q_one_metadata_buffer(struct atomisp_sub_device *asd,
 	enum ia_css_pipe_id css_pipe_id)
 {
 	struct atomisp_metadata_buf *metadata_buf;
-	enum atomisp_metadata_type md_type =
-	    atomisp_get_metadata_type(asd, css_pipe_id);
+	enum atomisp_metadata_type md_type = ATOMISP_MAIN_METADATA;
 	struct list_head *metadata_list;
 
 	if (asd->metadata_bufs_in_css[stream_id][css_pipe_id] >=