media: coda: set MPEG-4 encoder class register

Explicitly set MPEG-4 encoder class register instead of relying on the
default value of 0.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/coda/coda-bit.c

@@ -1655,6 +1655,10 @@ static int __coda_start_decoding(struct coda_ctx *ctx)
 		ctx->params.codec_mode_aux = CODA_MP4_AUX_MPEG4;
 	else
 		ctx->params.codec_mode_aux = 0;
+	if (src_fourcc == V4L2_PIX_FMT_MPEG4) {
+		coda_write(dev, CODA_MP4_CLASS_MPEG4,
+			   CODA_CMD_DEC_SEQ_MP4_ASP_CLASS);
+	}
 	if (src_fourcc == V4L2_PIX_FMT_H264) {
 		if (dev->devtype->product == CODA_7541) {
 			coda_write(dev, ctx->psbuf.paddr,

drivers/media/platform/coda/coda_regs.h

@@ -158,6 +158,7 @@
 #define CODA_CMD_DEC_SEQ_PS_BB_START		0x194
 #define CODA_CMD_DEC_SEQ_PS_BB_SIZE		0x198
 #define CODA_CMD_DEC_SEQ_MP4_ASP_CLASS		0x19c
+#define		CODA_MP4_CLASS_MPEG4			0
 #define CODA_CMD_DEC_SEQ_X264_MV_EN		0x19c
 #define CODA_CMD_DEC_SEQ_SPP_CHUNK_SIZE		0x1a0