Here's the updated patch that checks whether the frontend exists before
disabling the sleep operations.
Cheers,
Chris
--- linux-3.0/drivers/media/common/tuners/tda18271-fe.c.orig2011-08-20
18:53:48.0 +0100
+++ linux-3.0/drivers/media/common/tuners/tda18271-fe.c 2011-08-20
19:21:34
Em 20-08-2011 06:46, Chris Rankin escreveu:
> --- On Sat, 20/8/11, Mauro Carvalho Chehab wrot
>>
>> This will cause an OOPS if dvb->fe[n] == NULL.
>>
>
> OK, that's trivially fixable. I'll send you an updated patch. Is it safe to
> assume that dvb->fe[0] at least will always be non-NULL?
No, it
--- On Sat, 20/8/11, Mauro Carvalho Chehab wrot
>
> This will cause an OOPS if dvb->fe[n] == NULL.
>
OK, that's trivially fixable. I'll send you an updated patch. Is it safe to
assume that dvb->fe[0] at least will always be non-NULL?
Cheers,
Chris
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Em 20-08-2011 04:37, Chris Rankin escreveu:
> +
> + if (dev->state & DEV_DISCONNECTED) {
> + /* We cannot tell the device to sleep
> + * once it has been unplugged. */
> + prevent_sleep(&dvb->fe[0]->ops);
> +
The DVB framework will try to power-down an adapter that no-one is using any
more, but this assumes that the adapter is still connected to the machine.
That's not always true for a USB adapter, so disable the sleep operations when
the adapter has been physically unplugged.
This prevents I2C wr
