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device: Add API to update features during probe

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This allows updating the supported feature bitfield during probe.
This commit is contained in:
Benjamin Berg
2021-06-25 16:13:13 +02:00
parent 145f7287fa
commit 8a5bec6619
8 changed files with 116 additions and 90 deletions
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23
libfprint/fpi-device.c
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@@ -277,6 +277,29 @@ fpi_device_set_scan_type (FpDevice *device,
g_object_notify (G_OBJECT (device), "scan-type");
}
/**
* fpi_device_update_features:
* @device: The #FpDevice
* @update: The feature flags to update
* @value: The value to set the flags to
*
* Updates the feature flags for the device. This can be used
* to runtime detect features that are supported by the device.
*/
void
fpi_device_update_features (FpDevice *device,
FpDeviceFeature update,
FpDeviceFeature value)
{
FpDevicePrivate *priv = fp_device_get_instance_private (device);
g_return_if_fail (FP_IS_DEVICE (device));
g_return_if_fail (priv->current_action == FPI_DEVICE_ACTION_PROBE);
g_return_if_fail ((value & update) == value);
priv->features = (priv->features & ~update) | (value & update);
}
typedef struct
{
GSource source;