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path: root/drivers/media/video/ivtv/ivtv-streams.c
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Diffstat (limited to 'drivers/media/video/ivtv/ivtv-streams.c')
-rw-r--r--drivers/media/video/ivtv/ivtv-streams.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c
index a937e2ff9b6e..f0dd011a2ccc 100644
--- a/drivers/media/video/ivtv/ivtv-streams.c
+++ b/drivers/media/video/ivtv/ivtv-streams.c
@@ -42,6 +42,7 @@
42#include "ivtv-yuv.h" 42#include "ivtv-yuv.h"
43#include "ivtv-cards.h" 43#include "ivtv-cards.h"
44#include "ivtv-streams.h" 44#include "ivtv-streams.h"
45#include "ivtv-firmware.h"
45#include <media/v4l2-event.h> 46#include <media/v4l2-event.h>
46 47
47static const struct v4l2_file_operations ivtv_v4l2_enc_fops = { 48static const struct v4l2_file_operations ivtv_v4l2_enc_fops = {
@@ -674,12 +675,17 @@ static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s)
674 /* Decoder sometimes dies here, so wait a moment */ 675 /* Decoder sometimes dies here, so wait a moment */
675 ivtv_msleep_timeout(10, 0); 676 ivtv_msleep_timeout(10, 0);
676 677
678 /* Known failure point for firmware, so check */
679 if (ivtv_firmware_check(itv, "ivtv_setup_v4l2_decode_stream") < 0)
680 return -EIO;
681
677 return 0; 682 return 0;
678} 683}
679 684
680int ivtv_start_v4l2_decode_stream(struct ivtv_stream *s, int gop_offset) 685int ivtv_start_v4l2_decode_stream(struct ivtv_stream *s, int gop_offset)
681{ 686{
682 struct ivtv *itv = s->itv; 687 struct ivtv *itv = s->itv;
688 int rc;
683 689
684 if (s->vdev == NULL) 690 if (s->vdev == NULL)
685 return -EINVAL; 691 return -EINVAL;
@@ -689,7 +695,11 @@ int ivtv_start_v4l2_decode_stream(struct ivtv_stream *s, int gop_offset)
689 695
690 IVTV_DEBUG_INFO("Starting decode stream %s (gop_offset %d)\n", s->name, gop_offset); 696 IVTV_DEBUG_INFO("Starting decode stream %s (gop_offset %d)\n", s->name, gop_offset);
691 697
692 ivtv_setup_v4l2_decode_stream(s); 698 rc = ivtv_setup_v4l2_decode_stream(s);
699 if (rc < 0) {
700 clear_bit(IVTV_F_S_STREAMING, &s->s_flags);
701 return rc;
702 }
693 703
694 /* set dma size to 65536 bytes */ 704 /* set dma size to 65536 bytes */
695 ivtv_vapi(itv, CX2341X_DEC_SET_DMA_BLOCK_SIZE, 1, 65536); 705 ivtv_vapi(itv, CX2341X_DEC_SET_DMA_BLOCK_SIZE, 1, 65536);