[PATCH 4/5] [media] coda: set MPEG-4 encoder class register

[Philipp Zabel]

Explicitly set MPEG-4 encoder class register instead of relying on the
default value of 0.

Signed-off-by: Philipp Zabel <p.za...@pengutronix.de>
---
 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