change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/drivers/input/tablet/aiptek.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  Native support for the Aiptek HyperPen USB Tablets
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  *  (4000U/5000U/6000U/8000U/12000U)
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@@ -54,20 +55,6 @@
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  *      so therefore it's easier to document them all as one subsystem.
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  *      Please visit the project's "home page", located at,
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  *      http://aiptektablet.sourceforge.net.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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  */
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 #include <linux/jiffies.h>
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@@ -1726,7 +1713,7 @@
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 	aiptek->inputdev = inputdev;
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 	aiptek->intf = intf;
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-	aiptek->ifnum = intf->altsetting[0].desc.bInterfaceNumber;
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+	aiptek->ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
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 	aiptek->inDelay = 0;
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 	aiptek->endDelay = 0;
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 	aiptek->previousJitterable = 0;
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@@ -1814,15 +1801,13 @@
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 	input_set_abs_params(inputdev, ABS_TILT_Y, AIPTEK_TILT_MIN, AIPTEK_TILT_MAX, 0, 0);
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 	input_set_abs_params(inputdev, ABS_WHEEL, AIPTEK_WHEEL_MIN, AIPTEK_WHEEL_MAX - 1, 0, 0);
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-	/* Verify that a device really has an endpoint */
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-	if (intf->cur_altsetting->desc.bNumEndpoints < 1) {
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+	err = usb_find_common_endpoints(intf->cur_altsetting,
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+					NULL, NULL, &endpoint, NULL);
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+	if (err) {
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 		dev_err(&intf->dev,
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-			"interface has %d endpoints, but must have minimum 1\n",
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-			intf->cur_altsetting->desc.bNumEndpoints);
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-		err = -EINVAL;
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+			"interface has no int in endpoints, but must have minimum 1\n");
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 		goto fail3;
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 	}
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-	endpoint = &intf->cur_altsetting->endpoint[0].desc;
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 	/* Go set up our URB, which is called when the tablet receives
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 	 * input.