RFC: registry keys of serial ports

[Stefan Leichter]

Am Friday 11 September 2009 12:30:01 schrieb Christian Gmeiner:
> Hi Stefan,
>
> I like the idea of adding more registry keys for hardware components.
> I want some registry keys for usb devices
> so I had a look at your patch. I don't like the mess with the added
> goto serial. If in future there will be support
> for usb and the whole source will be quite hard to follow. The usb
> registry keys are needed e.g. for this [1].
> So i like to propose my idea how it could look like.
>
> In function new_device( LibHalContext *ctx, const char *udi ) we could
> readout the info.subsystem setting of the newly added device and add a
> if for info.subsystem strings like
> block - block devices
> tty - serial
> usb_devices/usb - usb
>
> could look like
>
> /* HAL callback for new device */
> static void new_device( LibHalContext *ctx, const char *udi )
> {
>     DBusError error;
>     char *subsystem = NULL;
>
>     p_dbus_error_init( &error );
>
>     if (!(subsystem = p_libhal_device_get_property_string( ctx, udi,
> "info.subsystem", &error )))
>         goto done;
>
>     if (strcmp(subsystem == "block") == 0)
>         block_device( ctx, udi, &error );
>     else if (strcmp(subsystem == "usb_device") == 0)
>         usb_device( ctx, udi, &error );
>     else if (strcmp(subsystem == "tty") == 0)
>         serial_device( ctx, udi, &error );
>
>     p_dbus_error_free( &error );
> }
>

Hi Christian,

i like your idea, but a short test shows that "info.subsystem" is not 
available for drives. But "info.category" can be used.

-- 
Stefan