修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/drivers/media/usb/hdpvr/hdpvr-i2c.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Hauppauge HD PVR USB driver
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@@ -6,11 +7,6 @@
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  *
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  * IR device registration code is
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  * Copyright (C) 2010	Andy Walls <awalls@md.metrocast.net>
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- *
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- *	This program is free software; you can redistribute it and/or
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- *	modify it under the terms of the GNU General Public License as
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- *	published by the Free Software Foundation, version 2.
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- *
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  */
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 #if IS_ENABLED(CONFIG_I2C)
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@@ -48,7 +44,7 @@
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 	init_data->polling_interval = 405; /* ms, duplicated from Windows */
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 	info.platform_data = init_data;
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-	return i2c_new_device(&dev->i2c_adapter, &info);
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+	return i2c_new_client_device(&dev->i2c_adapter, &info);
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 }
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 static int hdpvr_i2c_read(struct hdpvr_device *dev, int bus,
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@@ -61,10 +57,10 @@
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 		return -EINVAL;
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 	if (wlen) {
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-		memcpy(&dev->i2c_buf, wdata, wlen);
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+		memcpy(dev->i2c_buf, wdata, wlen);
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 		ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
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 				      REQTYPE_I2C_WRITE, CTRL_WRITE_REQUEST,
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-				      (bus << 8) | addr, 0, &dev->i2c_buf,
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+				      (bus << 8) | addr, 0, dev->i2c_buf,
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 				      wlen, 1000);
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 		if (ret < 0)
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 			return ret;
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@@ -72,10 +68,10 @@
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 	ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
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 			      REQTYPE_I2C_READ, CTRL_READ_REQUEST,
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-			      (bus << 8) | addr, 0, &dev->i2c_buf, len, 1000);
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+			      (bus << 8) | addr, 0, dev->i2c_buf, len, 1000);
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 	if (ret == len) {
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-		memcpy(data, &dev->i2c_buf, len);
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+		memcpy(data, dev->i2c_buf, len);
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 		ret = 0;
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 	} else if (ret >= 0)
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 		ret = -EIO;
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@@ -91,17 +87,17 @@
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 	if (len > sizeof(dev->i2c_buf))
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 		return -EINVAL;
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-	memcpy(&dev->i2c_buf, data, len);
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+	memcpy(dev->i2c_buf, data, len);
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 	ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
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 			      REQTYPE_I2C_WRITE, CTRL_WRITE_REQUEST,
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-			      (bus << 8) | addr, 0, &dev->i2c_buf, len, 1000);
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+			      (bus << 8) | addr, 0, dev->i2c_buf, len, 1000);
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 	if (ret < 0)
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 		return ret;
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 	ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
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 			      REQTYPE_I2C_WRITE_STATT, CTRL_READ_REQUEST,
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-			      0, 0, &dev->i2c_buf, 2, 1000);
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+			      0, 0, dev->i2c_buf, 2, 1000);
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 	if ((ret == 2) && (dev->i2c_buf[1] == (len - 1)))
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 		ret = 0;
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@@ -197,8 +193,6 @@
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 int hdpvr_register_i2c_adapter(struct hdpvr_device *dev)
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 {
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-	int retval = -ENOMEM;
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-
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 	hdpvr_activate_ir(dev);
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 	dev->i2c_adapter = hdpvr_i2c_adapter_template;
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@@ -206,9 +200,7 @@
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 	i2c_set_adapdata(&dev->i2c_adapter, dev);
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-	retval = i2c_add_adapter(&dev->i2c_adapter);
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-
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-	return retval;
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+	return i2c_add_adapter(&dev->i2c_adapter);
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 }
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 #endif