Explicitly set MPEG-4 encoder class register instead of relying on the
default value of 0.
Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
---
drivers/media/platform/coda/coda-bit.c | 4 ++++
drivers/media/platform/coda/coda_regs.h | 1 +
2 files changed, 5 insertions(+)
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index 2f31c672aba04..2a8e13c53f2e1 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/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,
diff --git a/drivers/media/platform/coda/coda_regs.h b/drivers/media/platform/coda/coda_regs.h
index 77ee46a934272..38df5fd9a2fa7 100644
--- a/drivers/media/platform/coda/coda_regs.h
+++ b/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
--
2.11.0
