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path: root/drivers/media/dvb-core/dvb_vb2.c
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Diffstat (limited to 'drivers/media/dvb-core/dvb_vb2.c')
-rw-r--r--drivers/media/dvb-core/dvb_vb2.c31
1 files changed, 22 insertions, 9 deletions
diff --git a/drivers/media/dvb-core/dvb_vb2.c b/drivers/media/dvb-core/dvb_vb2.c
index 763145d74e83..b811adf88afa 100644
--- a/drivers/media/dvb-core/dvb_vb2.c
+++ b/drivers/media/dvb-core/dvb_vb2.c
@@ -256,7 +256,8 @@ int dvb_vb2_is_streaming(struct dvb_vb2_ctx *ctx)
}
int dvb_vb2_fill_buffer(struct dvb_vb2_ctx *ctx,
- const unsigned char *src, int len)
+ const unsigned char *src, int len,
+ enum dmx_buffer_flags *buffer_flags)
{
unsigned long flags = 0;
void *vbuf = NULL;
@@ -264,15 +265,17 @@ int dvb_vb2_fill_buffer(struct dvb_vb2_ctx *ctx,
unsigned char *psrc = (unsigned char *)src;
int ll = 0;
- dprintk(3, "[%s] %d bytes are rcvd\n", ctx->name, len);
- if (!src) {
- dprintk(3, "[%s]:NULL pointer src\n", ctx->name);
- /**normal case: This func is called twice from demux driver
- * once with valid src pointer, second time with NULL pointer
- */
+ /*
+ * normal case: This func is called twice from demux driver
+ * one with valid src pointer, second time with NULL pointer
+ */
+ if (!src || !len)
return 0;
- }
spin_lock_irqsave(&ctx->slock, flags);
+ if (buffer_flags && *buffer_flags) {
+ ctx->flags |= *buffer_flags;
+ *buffer_flags = 0;
+ }
while (todo) {
if (!ctx->buf) {
if (list_empty(&ctx->dvb_q)) {
@@ -395,6 +398,7 @@ int dvb_vb2_qbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b)
int dvb_vb2_dqbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b)
{
+ unsigned long flags;
int ret;
ret = vb2_core_dqbuf(&ctx->vb_q, &b->index, b, ctx->nonblocking);
@@ -402,7 +406,16 @@ int dvb_vb2_dqbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b)
dprintk(1, "[%s] errno=%d\n", ctx->name, ret);
return ret;
}
- dprintk(5, "[%s] index=%d\n", ctx->name, b->index);
+
+ spin_lock_irqsave(&ctx->slock, flags);
+ b->count = ctx->count++;
+ b->flags = ctx->flags;
+ ctx->flags = 0;
+ spin_unlock_irqrestore(&ctx->slock, flags);
+
+ dprintk(5, "[%s] index=%d, count=%d, flags=%d\n",
+ ctx->name, b->index, ctx->count, b->flags);
+
return 0;
}