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/sound/usb/line6/driver.c
..
..
@@ -304,7 +304,8 @@
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 		for (;;) {
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 			done =
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 				line6_midibuf_read(mb, line6->buffer_message,
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-						LINE6_MIDI_MESSAGE_MAXLEN);
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+						   LINE6_MIDI_MESSAGE_MAXLEN,
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+						   LINE6_MIDIBUF_READ_RX);
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 			if (done <= 0)
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 				break;