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/Documentation/ABI/testing/sysfs-bus-iio-magnetometer-hmc5843
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@@ -5,11 +5,16 @@
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 Description:
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                 Current configuration and available configurations
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 		for the bias current.
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-		normal		- Normal measurement configurations (default)
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-		positivebias	- Positive bias configuration
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-		negativebias	- Negative bias configuration
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-		disabled	- Only available on HMC5983. Disables magnetic
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+
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+		============	  ============================================
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+		normal		  Normal measurement configurations (default)
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+		positivebias	  Positive bias configuration
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+		negativebias	  Negative bias configuration
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+		disabled	  Only available on HMC5983. Disables magnetic
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 				  sensor and enables temperature sensor.
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-		Note: The effect of this configuration may vary
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-		according to the device. For exact documentation
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-		check the device's datasheet.
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+		============	  ============================================
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+
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+		Note:
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+		  The effect of this configuration may vary
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+		  according to the device. For exact documentation
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+		  check the device's datasheet.