media: verisilicon: Use fourcc format string

There is a fourcc format string for printing formats. Use it instead of
open coding the conversion.

Signed-off-by: Michael Tretter <[e-mail]>
Reviewed-by: Nicolas Dufresne <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>

drivers/media/platform/verisilicon/hantro_v4l2.c

···
 
 	coded = capture == ctx->is_encoder;
 
-	vpu_debug(4, "trying format %c%c%c%c\n",
-		  (pix_mp->pixelformat & 0x7f),
-		  (pix_mp->pixelformat >> 8) & 0x7f,
-		  (pix_mp->pixelformat >> 16) & 0x7f,
-		  (pix_mp->pixelformat >> 24) & 0x7f);
+	vpu_debug(4, "trying format %p4cc\n", &pix_mp->pixelformat);
 
 	fmt = hantro_find_format(ctx, pix_mp->pixelformat);
 	if (!fmt) {