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-rw-r--r--drivers/media/video/saa7164/saa7164-cmd.c37
-rw-r--r--drivers/media/video/saa7164/saa7164-core.c2
-rw-r--r--drivers/media/video/saa7164/saa7164.h1
3 files changed, 39 insertions, 1 deletions
diff --git a/drivers/media/video/saa7164/saa7164-cmd.c b/drivers/media/video/saa7164/saa7164-cmd.c
index cd3af4d4364..e097f1a0969 100644
--- a/drivers/media/video/saa7164/saa7164-cmd.c
+++ b/drivers/media/video/saa7164/saa7164-cmd.c
@@ -80,6 +80,43 @@ u32 saa7164_cmd_timeout_get(struct saa7164_dev *dev, u8 seqno)
/* Commands to the f/w get marshelled to/from this code then onto the PCI
* -bus/c running buffer. */
+int saa7164_irq_dequeue(struct saa7164_dev *dev)
+{
+ int ret = SAA_OK;
+ u32 timeout;
+ wait_queue_head_t *q = 0;
+ dprintk(DBGLVL_CMD, "%s()\n", __func__);
+
+ /* While any outstand message on the bus exists... */
+ do {
+
+ /* Peek the msg bus */
+ tmComResInfo_t tRsp = { 0, 0, 0, 0, 0, 0 };
+ ret = saa7164_bus_get(dev, &tRsp, NULL, 1);
+ if (ret != SAA_OK)
+ break;
+
+ q = &dev->cmds[tRsp.seqno].wait;
+ timeout = saa7164_cmd_timeout_get(dev, tRsp.seqno);
+ dprintk(DBGLVL_CMD, "%s() timeout = %d\n", __func__, timeout);
+ if (!timeout) {
+ dprintk(DBGLVL_CMD,
+ "%s() signalled seqno(%d) (for dequeue)\n",
+ __func__, tRsp.seqno);
+ dev->cmds[tRsp.seqno].signalled = 1;
+ wake_up(q);
+ } else {
+ printk(KERN_ERR
+ "%s() found timed out command on the bus\n",
+ __func__);
+ }
+ } while (0);
+
+ return ret;
+}
+
+/* Commands to the f/w get marshelled to/from this code then onto the PCI
+ * -bus/c running buffer. */
int saa7164_cmd_dequeue(struct saa7164_dev *dev)
{
int loop = 1;
diff --git a/drivers/media/video/saa7164/saa7164-core.c b/drivers/media/video/saa7164/saa7164-core.c
index 3753b52e029..e878fbcbb1e 100644
--- a/drivers/media/video/saa7164/saa7164-core.c
+++ b/drivers/media/video/saa7164/saa7164-core.c
@@ -69,7 +69,7 @@ static void saa7164_work_cmdhandler(struct work_struct *w)
struct saa7164_dev *dev = container_of(w, struct saa7164_dev, workcmd);
/* Wake up any complete commands */
- saa7164_cmd_signal(dev, 0);
+ saa7164_irq_dequeue(dev);
}
static void saa7164_buffer_deliver(struct saa7164_buffer *buf)
diff --git a/drivers/media/video/saa7164/saa7164.h b/drivers/media/video/saa7164/saa7164.h
index 93a75e15d21..6753008a9c9 100644
--- a/drivers/media/video/saa7164/saa7164.h
+++ b/drivers/media/video/saa7164/saa7164.h
@@ -328,6 +328,7 @@ int saa7164_cmd_send(struct saa7164_dev *dev,
u8 id, tmComResCmd_t command, u16 controlselector,
u16 size, void *buf);
void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno);
+int saa7164_irq_dequeue(struct saa7164_dev *dev);
/* ----------------------------------------------------------- */
/* saa7164-api.c */