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HID: uclogic: Re-initialize tablets on resume

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Re-initialize UC-Logic tablets on resume. UC-Logic tablet initialization
and parameter retrieval cannot be separated for the large part, so
simply discard the retrieved parameters after initialization.

Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
This commit is contained in:
Nikolai Kondrashov 2019-02-10 12:13:52 +02:00 committed by Benjamin Tissoires
parent 9614219e93
commit 251b427566
1 changed files with 21 additions and 0 deletions
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21
drivers/hid/hid-uclogic-core.c
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@ -178,6 +178,23 @@ failure:
return rc;
}
#ifdef CONFIG_PM
static int uclogic_resume(struct hid_device *hdev)
{
int rc;
struct uclogic_params params;
/* Re-initialize the device, but discard parameters */
rc = uclogic_params_init(&params, hdev);
if (rc != 0)
hid_err(hdev, "failed to re-initialize the device\n");
else
uclogic_params_cleanup(&params);
return rc;
}
#endif
static int uclogic_raw_event(struct hid_device *hdev,
struct hid_report *report,
u8 *data, int size)
@ -261,6 +278,10 @@ static struct hid_driver uclogic_driver = {
.raw_event = uclogic_raw_event,
.input_mapping = uclogic_input_mapping,
.input_configured = uclogic_input_configured,
#ifdef CONFIG_PM
.resume = uclogic_resume,
.reset_resume = uclogic_resume,
#endif
};
module_hid_driver(uclogic_driver);