Hi Ivor,
how sure are you that really the new firmware was downloaded?
It is not possible to download another firmware, once a firwmare was
downloaded. Meaning you cannot stop the firmware running already, it will
simply continue to run. When the new firmware downloaded is only slightly
different it may not crash, otherwise it will simply stop to work.
So your patch enables something which was meant to be not there because of
hardware limitations.
Patrick.
On Mon, 21 Jan 2008, Ivor Hewitt wrote:
> Hi,
> I was having (still am! :) trouble with my nova-t 500 card and I wanted
> a way to be able try a different firmware... but the current code only
> loads in a cold state... and my "mythbackend" is pretty inaccessible, so
> I made the attached change. This allows a module parameter of
> "force_load_firmware" which causes the "cold state" logic to be used
> when warm. Thought this might be a useful idea, it was handy for me anyway.
>
> Cheers,
> Ivor
>
> -- snip --
>
> /* DIB7070 generic */
> diff -r 7564c110491e linux/drivers/media/dvb/dvb-usb/dvb-usb-init.c
> --- a/linux/drivers/media/dvb/dvb-usb/dvb-usb-init.c Sun Jan 20
> 09:13:44 2008 -0200
> +++ b/linux/drivers/media/dvb/dvb-usb/dvb-usb-init.c Mon Jan 21
> 11:55:20 2008 +0000
> @@ -25,6 +25,10 @@ static int dvb_usb_force_pid_filter_usag
> static int dvb_usb_force_pid_filter_usage;
> module_param_named(force_pid_filter_usage,
> dvb_usb_force_pid_filter_usage, int, 0444);
> MODULE_PARM_DESC(force_pid_filter_usage, "force all dvb-usb-devices to
> use a PID filter, if any (default: 0).");
> +
> +int dvb_usb_force_firmware;
> +module_param_named(force_load_firmware, dvb_usb_force_firmware, int, 0444);
> +MODULE_PARM_DESC(force_load_firmware, "force firmware loading even when
> in warm state.");
>
> static int dvb_usb_adapter_init(struct dvb_usb_device *d)
> {
> @@ -230,7 +234,7 @@ int dvb_usb_device_init(struct usb_inter
> return -ENODEV;
> }
>
> - if (cold) {
> + if (cold||dvb_usb_force_firmware) {
> info("found a '%s' in cold state, will try to load a
> firmware",desc->name);
> ret = dvb_usb_download_firmware(udev,props);
> if (!props->no_reconnect || ret != 0)
>
>
>
>
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>
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