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hidpp20: read the button count from the mouse

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When using onboard profiles, it looks like we have the button count.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
This commit is contained in:
Benjamin Tissoires
2015-10-20 17:23:27 -04:00
parent 7c1718d316
commit 24f7319a6f
3 changed files with 38 additions and 2 deletions
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2
src/driver-hidpp20.c
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@@ -350,6 +350,8 @@ hidpp20drv_read_onboard_profile(struct ratbag_device *device, unsigned index)
rc = hidpp20_onboard_profiles_allocate(drv_data->dev, &drv_data->profiles);
if (rc < 0)
return rc;
device->num_buttons = drv_data->profiles->num_buttons;
}
rc = hidpp20_onboard_profiles_read(drv_data->dev, index, drv_data->profiles);

37
src/hidpp20.c
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@@ -991,6 +991,38 @@ hidpp20_onboard_profiles_get_current_profile(struct hidpp20_device *device,
return msg.msg.parameters[1];
}
static int
hidpp20_onboard_profiles_initialize(struct hidpp20_device *device,
unsigned profile_count,
struct hidpp20_profiles *profiles_list)
{
uint8_t feature_index;
int rc;
union hidpp20_message msg = {
.msg.report_id = REPORT_ID_SHORT,
.msg.device_idx = device->index,
.msg.address = CMD_ONBOARD_PROFILES_GET_PROFILES_DESCR,
};
feature_index = hidpp_root_get_feature_idx(device,
HIDPP_PAGE_ONBOARD_PROFILES);
if (feature_index == 0)
return -ENOTSUP;
msg.msg.sub_id = feature_index;
rc = hidpp20_request_command(device, &msg);
if (rc)
return rc;
profiles_list->num_buttons = msg.msg.parameters[5] <= 16 ? msg.msg.parameters[5] : 16;
profiles_list->num_profiles = profile_count;
/* FIXME: actually retrieve the correct values */
profiles_list->num_modes = 5;
return 0;
}
int
hidpp20_onboard_profiles_allocate(struct hidpp20_device *device,
struct hidpp20_profiles **profiles_list)
@@ -1021,8 +1053,9 @@ hidpp20_onboard_profiles_allocate(struct hidpp20_device *device,
profiles->profiles[i].enabled = d[2];
}
profiles->num_profiles = profile_count;
profiles->num_modes = 5;
hidpp20_onboard_profiles_initialize(device,
profile_count,
profiles);
*profiles_list = profiles;

1
src/hidpp20.h
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@@ -275,6 +275,7 @@ struct hidpp20_profile {
struct hidpp20_profiles {
uint8_t num_profiles;
uint8_t num_buttons;
uint8_t num_modes;
struct hidpp20_profile profiles[5];
};