On Thu, 2009-12-03 at 14:38 +0100, Luca Olivetti wrote:
> En/na BOUWSMA Barry ha escrit:
>
> >> I found a something here
> >>
> >> http://marc.info/?l=linux-usb-users&m=116827193506484&w=2
> >>
> >> that purportedly resets an usb device.
> >> What I tried was, before powering off:
> >>
> >> 1) unload the drivers
> >> 2) use the above to reset the stick
> >> 3) power off
> >>
> >> and, before loading the drivers, issue a reset again.
> >> Sometimes it works, sometimes it doesn't, the end result is that I cannot
> >> leave the device plugged-in if I want to use it.
I've also got a siano card, but in my case it's embedded in my Dell
laptop, so yanking it out and plugging it back in isn't even an option.
The card is however a USB device and I've included the lsusb -v output
at the end in case it's useful.
I've tried the firmware you're referring too, but there's also a request
for sms1xxx-nova-b-dvbt-01.fw in the dmesg and this is asked for first
(in my case), with a siano supplied one sought if it can't find this
first one.
I'm not having problems with cold restarts, but suspend/hibernate sees
the things go bad on resume.
I've added some stuff to /etc/pm/sleep.d which unloads the modules and
then reloads then on resume. It's a simple script:
#!/bin/bash
case $1 in
hibernate)
echo "Suspending to disk"
modprobe -r smsdvb
modprobe -r smsusb
;;
suspend)
echo "Suspending to RAM"
modprobe -r smsdvb
modprobe -r smsusb
;;
thaw)
echo "Suspend to disk is over, Resuming..."
modprobe smsdvb
modprobe smsusb
;;
resume)
echo "Suspend to RAM is over, Resuming..."
modprobe smsdvb
modprobe smsusb
;;
*)
echo "somebody is calling me totally wrong."
;;
esac
This addresses these problems for me. You might be able to add
something similar to /etc/pm/power.d to unload modules to address the
problem.
Rodd
Bus 001 Device 003: ID 2040:1801 Hauppauge
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x2040 Hauppauge
idProduct 0x1801
bcdDevice 0.01
iManufacturer 1 Hauppauge Computer Works
iProduct 2 WinTV-NOVA
iSerial 3 f05eb5ec
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 32
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 255 Vendor Specific Class
bDeviceSubClass 255 Vendor Specific Subclass
bDeviceProtocol 255 Vendor Specific Protocol
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0000
(Bus Powered)
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