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driver-hidpp10: fill the number of buttons from the first profile

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We don't know the HID++ 1.0 request to check for the number of buttons or
profiles, this is the next-best thing.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer
2015-08-26 09:10:21 +10:00
parent 1d80ea4898
commit 6d55dae48d
1 changed files with 25 additions and 2 deletions
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27
src/driver-hidpp10.c
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@@ -185,6 +185,26 @@ out:
return 0;
}
static int
hidpp10drv_fill_from_profile(struct ratbag_device *device, struct hidpp10_device *dev)
{
int rc;
struct hidpp10_profile profile;
/* We don't know the HID++1.0 requests to query for buttons, etc.
* and the get_current_profile request is garbage. So get profile 1
* and fill the device information in from that.
*/
rc = hidpp10_get_profile(dev, 0, &profile);
if (rc)
return rc;
device->num_buttons = profile.num_buttons;
device->num_profiles = HIDPP10_NUM_PROFILES;
return 0;
}
static int
hidpp10drv_probe(struct ratbag_device *device, const struct ratbag_id id)
{
@@ -230,8 +250,11 @@ hidpp10drv_probe(struct ratbag_device *device, const struct ratbag_id id)
drv_data->dev = dev;
ratbag_set_drv_data(device, drv_data);
device->num_profiles = 1;
device->num_buttons = 8;
if (hidpp10drv_fill_from_profile(device, dev)) {
/* Fall back to something that every mouse has */
device->num_profiles = 1;
device->num_buttons = 3;
}
return 0;
err: