v4l2_ctrl_g_ctrl_int64(9) Helper function to get a 64-bit control's value from within a driver.

SYNOPSIS

s64 v4l2_ctrl_g_ctrl_int64(struct v4l2_ctrl * ctrl);

ARGUMENTS

ctrl

The control.

DESCRIPTION

This returns the control's value safely by going through the control framework. This function will lock the control's handler, so it cannot be used from within the v4l2_ctrl_ops functions.

This function is for 64-bit integer type controls only.

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