Merge branch 'for-5.12/chicony' into for-linus

- KEY_RFKILL support for Chicony devices from Jian-Hong Pan

2 files changed, 56 insertions, 0 deletions

diff --git a/drivers/hid/hid-chicony.c b/drivers/hid/hid-chicony.c
index 3f0ed6a95223..ca556d39da2a 100644
--- a/drivers/hid/hid-chicony.c
+++ b/drivers/hid/hid-chicony.c
@@ -21,6 +21,39 @@
 
 #include "hid-ids.h"
 
+#define CH_WIRELESS_CTL_REPORT_ID	0x11
+
+static int ch_report_wireless(struct hid_report *report, u8 *data, int size)
+{
+	struct hid_device *hdev = report->device;
+	struct input_dev *input;
+
+	if (report->id != CH_WIRELESS_CTL_REPORT_ID || report->maxfield != 1)
+		return 0;
+
+	input = report->field[0]->hidinput->input;
+	if (!input) {
+		hid_warn(hdev, "can't find wireless radio control's input");
+		return 0;
+	}
+
+	input_report_key(input, KEY_RFKILL, 1);
+	input_sync(input);
+	input_report_key(input, KEY_RFKILL, 0);
+	input_sync(input);
+
+	return 1;
+}
+
+static int ch_raw_event(struct hid_device *hdev,
+		struct hid_report *report, u8 *data, int size)
+{
+	if (report->application == HID_GD_WIRELESS_RADIO_CTLS)
+		return ch_report_wireless(report, data, size);
+
+	return 0;
+}
+
 #define ch_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
 					EV_KEY, (c))
 static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
@@ -77,10 +110,30 @@ static __u8 *ch_switch12_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 	return rdesc;
 }
 
+static int ch_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+	int ret;
+
+	hdev->quirks |= HID_QUIRK_INPUT_PER_APP;
+	ret = hid_parse(hdev);
+	if (ret) {
+		hid_err(hdev, "Chicony hid parse failed: %d\n", ret);
+		return ret;
+	}
+
+	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+	if (ret) {
+		hid_err(hdev, "Chicony hw start failed: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
 
 static const struct hid_device_id ch_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS3) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
 	{ }
 };
@@ -91,6 +144,8 @@ static struct hid_driver ch_driver = {
 	.id_table = ch_devices,
 	.report_fixup = ch_switch12_report_fixup,
 	.input_mapping = ch_input_mapping,
+	.probe = ch_probe,
+	.raw_event = ch_raw_event,
 };
 module_hid_driver(ch_driver);
 
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 5db0735c8438..abe6503ce5a6 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -270,6 +270,7 @@
 #define USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE	0x1053
 #define USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE2	0x0939
 #define USB_DEVICE_ID_CHICONY_WIRELESS2	0x1123
+#define USB_DEVICE_ID_CHICONY_WIRELESS3	0x1236
 #define USB_DEVICE_ID_ASUS_AK1D		0x1125
 #define USB_DEVICE_ID_CHICONY_TOSHIBA_WT10A	0x1408
 #define USB_DEVICE_ID_CHICONY_ACER_SWITCH12	0x1421