debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/drivers/staging/comedi/comedidev.h
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@@ -516,6 +516,15 @@
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  *	called when @use_count changes from 0 to 1.
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  * @close: Optional pointer to a function set by the low-level driver to be
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  *	called when @use_count changed from 1 to 0.
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+ * @insn_device_config: Optional pointer to a handler for all sub-instructions
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+ *	except %INSN_DEVICE_CONFIG_GET_ROUTES of the %INSN_DEVICE_CONFIG
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+ *	instruction.  If this is not initialized by the low-level driver, a
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+ *	default handler will be set during post-configuration.
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+ * @get_valid_routes: Optional pointer to a handler for the
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+ *	%INSN_DEVICE_CONFIG_GET_ROUTES sub-instruction of the
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+ *	%INSN_DEVICE_CONFIG instruction set.  If this is not initialized by the
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+ *	low-level driver, a default handler that copies zero routes back to the
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+ *	user will be used.
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  *
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  * This is the main control data structure for a COMEDI device (as far as the
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  * COMEDI core is concerned).  There are two groups of COMEDI devices -
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@@ -565,6 +574,11 @@
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 	int (*open)(struct comedi_device *dev);
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 	void (*close)(struct comedi_device *dev);
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+	int (*insn_device_config)(struct comedi_device *dev,
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+				  struct comedi_insn *insn, unsigned int *data);
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+	unsigned int (*get_valid_routes)(struct comedi_device *dev,
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+					 unsigned int n_pairs,
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+					 unsigned int *pair_data);
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 };
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 /*
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@@ -613,7 +627,7 @@
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  * @range: Array of &struct comedi_krange, one for each range.
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  *
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  * Each element of @range[] describes the minimum and maximum physical range
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- * range and the type of units.  Typically, the type of unit is %UNIT_volt
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+ * and the type of units.  Typically, the type of unit is %UNIT_volt
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  * (i.e. volts) and the minimum and maximum are in millionths of a volt.
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  * There may also be a flag that indicates the minimum and maximum are merely
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  * scale factors for an unknown, external reference.