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HID: Add an input configured notification callback

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A hid device may create several input devices, and a driver may need
to prepare or finalize the configuration per input device. Currently,
there is no sane way for a driver to know when a device has been
configured. This patch adds a callback providing that information.

Reviewed-and-tested-by: Benjamin Tissoires <[email protected]>
Tested-by: Ping Cheng <[email protected]>
Acked-by: Jiri Kosina <[email protected]>
Signed-off-by: Henrik Rydberg <[email protected]>
This commit is contained in:
Henrik Rydberg 2012-07-30 13:28:18 +02:00
commit 9ebf3d7687
2 changed files with 12 additions and 2 deletions
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11
drivers/hid/hid-input.c
View file

@ -1154,6 +1154,7 @@ static void report_features(struct hid_device *hid)
int hidinput_connect(struct hid_device *hid, unsigned int force)
{
struct hid_driver *drv = hid->driver;
struct hid_report *report;
struct hid_input *hidinput = NULL;
struct input_dev *input_dev;
@ -1228,6 +1229,8 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
* UGCI) cram a lot of unrelated inputs into the
* same interface. */
hidinput->report = report;
if (drv->input_configured)
drv->input_configured(hid, hidinput);
if (input_register_device(hidinput->input))
goto out_cleanup;
hidinput = NULL;
@ -1235,8 +1238,12 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
}
}
if (hidinput && input_register_device(hidinput->input))
goto out_cleanup;
if (hidinput) {
if (drv->input_configured)
drv->input_configured(hid, hidinput);
if (input_register_device(hidinput->input))
goto out_cleanup;
}
return 0;