dany/facetimehd
1
0
Fork 0
mirror of https://github.com/patjak/facetimehd.git synced 2026-04-09 11:02:31 +02:00
Code Issues Packages Projects Releases Wiki Activity

facetimehd: add channel waitqueue

Browse Source 
add a per channel waitqueue to be able to have more than one ringbuffer
entry in flight.

Signed-off-by: Sven Schnelle <svens@stackframe.org>
This commit is contained in:
Sven Schnelle
2015-11-28 22:59:44 +01:00
parent 3574901c31
commit ca8c5584e0
6 changed files with 35 additions and 63 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
fthd_v4l2.c
View File

@@ -137,29 +137,7 @@ static int fthd_send_h2t_buffer(struct fthd_private *dev_priv, struct h2t_buf_ct
pr_err("%s: fthd_channel_ringbuf_send: %d\n", __FUNCTION__, ret);
return ret;
}
if (wait_event_interruptible_timeout(ctx->wq, ctx->done, HZ) <= 0) {
dev_err(&dev_priv->pdev->dev, "timeout wait for buffer %p\n", ctx->vb);
return -ETIMEDOUT;
}
ctx->done = 0;
return 0;
}
void fthd_buffer_queued_handler(struct fthd_private *dev_priv, u32 offset)
{
struct dma_descriptor_list list;
struct h2t_buf_ctx *ctx;
FTHD_S2_MEMCPY_FROMIO(&list, offset, sizeof(list));
ctx = (struct h2t_buf_ctx *)list.desc[0].tag;
pr_debug("vb %p, ctx = %p\n", ctx->vb, ctx);
memcpy(&ctx->dma_desc_list, &list, sizeof(ctx->dma_desc_list));
ctx->done = 1;
wake_up_interruptible(&ctx->wq);
return fthd_channel_wait_ready(dev_priv, dev_priv->channel_buf_h2t, entry, 2000);
}
static void fthd_buffer_queue(struct vb2_buffer *vb)