Hi Udo,
can you please add the following patch? It may be interesting if the
saa7146 does hit the interrupt, but the interrupt isn't deliver to the
handler.
- Hartmut
--- a/linux/drivers/media/common/saa7146_i2c.c Fri Feb 16 07:35:15 2007
-0200
+++ b/linux/drivers/media/common/saa7146_i2c.c Fri Feb 16 19:58:07 2007
+0100
@@ -197,12 +197,14 @@ static int saa7146_i2c_writeout(struct s
timeout = HZ/100 + 1; /* 10ms */
timeout = wait_event_interruptible_timeout(dev->i2c_wq,
dev->i2c_op == 0, timeout);
if (timeout == -ERESTARTSYS || dev->i2c_op) {
+ u32 isr = saa7146_read(dev, ISR);
SAA7146_IER_DISABLE(dev, MASK_16|MASK_17);
SAA7146_ISR_CLEAR(dev, MASK_16|MASK_17);
if (timeout == -ERESTARTSYS)
/* a signal arrived */
return -ERESTARTSYS;
+ printk(KERN_WARNING "saa7146_i2c_writeout: ISR =
%08x\n", isr);
printk(KERN_WARNING "saa7146_i2c_writeout: timed
out waiting for end of xfer\n");
return -EIO;
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