linux-pinenote/include/drm/i915_powerwell.h

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 * Copyright 2013 Intel Inc.
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#ifndef _I915_POWERWELL_H_
#define _I915_POWERWELL_H_

/* For use by hda_i915 driver */
extern int i915_request_power_well(void);
extern int i915_release_power_well(void);
extern int i915_get_cdclk_freq(void);

#endif				/* _I915_POWERWELL_H_ */