diff options
| -rw-r--r-- | drivers/media/video/cx18/cx18-mailbox.c | 1 | ||||
| -rw-r--r-- | drivers/media/video/cx18/cx18-streams.c | 10 | ||||
| -rw-r--r-- | drivers/media/video/cx18/cx23418.h | 2 |
3 files changed, 12 insertions, 1 deletions
diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c index 93177514e84..1b9fbf9a6bc 100644 --- a/drivers/media/video/cx18/cx18-mailbox.c +++ b/drivers/media/video/cx18/cx18-mailbox.c @@ -82,6 +82,7 @@ static const struct cx18_api_info api_info[] = { API_ENTRY(CPU, CX18_CPU_DE_SET_MDL_ACK, 0), API_ENTRY(CPU, CX18_CPU_DE_SET_MDL, API_FAST), API_ENTRY(CPU, CX18_APU_RESETAI, API_FAST), + API_ENTRY(CPU, CX18_CPU_DE_RELEASE_MDL, 0), API_ENTRY(0, 0, 0), }; diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index 53c5852bba3..4d5b446895c 100644 --- a/drivers/media/video/cx18/cx18-streams.c +++ b/drivers/media/video/cx18/cx18-streams.c @@ -488,7 +488,14 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) /* begin_capture */ if (cx18_vapi(cx, CX18_CPU_CAPTURE_START, 1, s->handle)) { CX18_DEBUG_WARN("Error starting capture!\n"); + /* Ensure we're really not capturing before releasing MDLs */ + if (s->type == CX18_ENC_STREAM_TYPE_MPG) + cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 2, s->handle, 1); + else + cx18_vapi(cx, CX18_CPU_CAPTURE_STOP, 1, s->handle); + cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); cx18_vapi(cx, CX18_DESTROY_TASK, 1, s->handle); + /* FIXME - clean-up DSP0_INT mask, i_flags, s_flags, etc. */ return -EINVAL; } @@ -540,6 +547,9 @@ int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end) CX18_INFO("ignoring gop_end: not (yet?) supported by the firmware\n"); } + /* Tell the CX23418 it can't use our buffers anymore */ + cx18_vapi(cx, CX18_CPU_DE_RELEASE_MDL, 1, s->handle); + if (s->type != CX18_ENC_STREAM_TYPE_TS) atomic_dec(&cx->ana_capturing); atomic_dec(&cx->tot_capturing); diff --git a/drivers/media/video/cx18/cx23418.h b/drivers/media/video/cx18/cx23418.h index e7ed053059a..668f968d776 100644 --- a/drivers/media/video/cx18/cx23418.h +++ b/drivers/media/video/cx18/cx23418.h @@ -351,7 +351,7 @@ Descriptor Lists to the driver IN[0] - Task handle. Handle of the task to start ReturnCode - One of the ERR_DE_... */ -/* #define CX18_CPU_DE_ReleaseMDL (CPU_CMD_MASK_DE | 0x0006) */ +#define CX18_CPU_DE_RELEASE_MDL (CPU_CMD_MASK_DE | 0x0006) /* Description: This command signals the cpu that the dat buffer has been consumed and ready for re-use. |