[PATCH v3 7/9] HID: elan: Add a flag for selecting if the touchpad has a LED

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Note all Elan touchpads have a LED make this configurable using
a flag in hi_id.driver_data.

Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
 drivers/hid/hid-elan.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/hid/hid-elan.c b/drivers/hid/hid-elan.c
index 6969fb5344a5..ae1e24061c0a 100644
--- a/drivers/hid/hid-elan.c
+++ b/drivers/hid/hid-elan.c
@@ -36,6 +36,8 @@
 #define ELAN_MUTE_LED_REPORT	0xBC
 #define ELAN_LED_REPORT_SIZE	8
 
+#define ELAN_HAS_LED		BIT(0)
+
 struct elan_drvdata {
 	struct input_dev *input;
 	u8 prev_report[ELAN_INPUT_REPORT_SIZE];
@@ -450,9 +452,11 @@ static int elan_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	if (ret)
 		goto err;
 
-	ret = elan_init_mute_led(hdev);
-	if (ret)
-		goto err;
+	if (id->driver_data & ELAN_HAS_LED) {
+		ret = elan_init_mute_led(hdev);
+		if (ret)
+			goto err;
+	}
 
 	return 0;
 err:
@@ -466,7 +470,8 @@ static void elan_remove(struct hid_device *hdev)
 }
 
 static const struct hid_device_id elan_devices[] = {
-	{ HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_HP_X2_10_COVER) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_HP_X2_10_COVER),
+	  .driver_data = ELAN_HAS_LED },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, elan_devices);
-- 
2.17.1

--
To unsubscribe from this list: send the line "unsubscribe linux-input" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Media Devel]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Linux Wireless Networking]     [Linux Omap]

  Powered by Linux