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List:       linux-input
Subject:    [PATCH v1 4/5] HID: add reset() field to struct hid_ll_driver
From:       Dmitry Antipov <daantipov () gmail ! com>
Date:       2021-12-29 23:11:40
Message-ID: 20211229231141.303919-5-dmanti () microsoft ! com
[Download RAW message or body]

This new API allows a device driver to reset the device.

Signed-off-by: Dmitry Antipov <dmanti@microsoft.com>
---
 include/linux/hid.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/hid.h b/include/linux/hid.h
index 97041c322a0f..129b542e1adb 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -823,6 +823,7 @@ struct hid_driver {
  * @output_report: send output report to device
  * @idle: send idle request to device
  * @may_wakeup: return if device may act as a wakeup source during system-suspend
+ * @reset: reset the device
  */
 struct hid_ll_driver {
 	int (*start)(struct hid_device *hdev);
@@ -848,6 +849,8 @@ struct hid_ll_driver {
 
 	int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype);
 	bool (*may_wakeup)(struct hid_device *hdev);
+
+	void (*reset)(struct hid_device *hdev);
 };
 
 extern struct hid_ll_driver i2c_hid_ll_driver;
-- 
2.25.1

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