// pwmutil.h

NTSTATUS PwmParsePinPath(
  [in]            UNICODE_STRING *PinPath,
  [out, optional] ULONG          *PinNumber
);
View the official Windows Driver Kit DDI reference

NtDoc

No description available.

Edit description on GitHub

Windows Driver Kit DDI reference (nf-pwmutil-pwmparsepinpath)

PwmParsePinPath function

Description

Parses a pin path under the Pulse Width Modulation (PWM) controller namespace to validate its format and extract the pin number.

Parameters

`PinPath` [in]

A pointer to pin path as a Unicode character string.

`PinNumber` [out, optional]

A pointer to variable that receives a pin number.

Return value

PwmParsePinPath returns the following values:

Return code	Description
STATUS_SUCCESS	Extracted pin path successfully from supplied pin path.
STATUS_INVALID_PARAMETER	The specified pin path pointer is invalid or its Unicode string is invalid.
STATUS_NO_SUCH_FILE	The specified pin path does not constitute a valid pin path.

Remarks

The pin path must be a Unicode character string that ends in the pin number as follows: ...<PinNumber>.

View the official Windows Driver Kit DDI reference