On Jan 21, 2008 3:19 PM, Ivor Hewitt <ivor@xxxxxxxx> 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)
Doesn't this cause an endless loop? How does the driver know when to
stop uploading firmware?
-Mike
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