amlogic-aml8726-mx-kernel/arch/arm/mach-meson1/power_gate.c

#include <linux/module.h>
#include <mach/am_regs.h>

#include <mach/power_gate.h>

unsigned char GCLK_ref[GCLK_IDX_MAX];

EXPORT_SYMBOL(GCLK_ref);

int video_dac_enable(unsigned char enable_mask)
{
	CLEAR_CBUS_REG_MASK(VENC_VDAC_SETTING, enable_mask & 0x1f);
	return 0;
}

EXPORT_SYMBOL(video_dac_enable);

int video_dac_disable()
{
	SET_CBUS_REG_MASK(VENC_VDAC_SETTING, 0x1f);
	return 0;
}

EXPORT_SYMBOL(video_dac_disable);

static void turn_off_audio_DAC(void)
{
	int wr_val;
	wr_val = 0;
	WRITE_APB_REG(ADAC_RESET, wr_val);
	WRITE_APB_REG(ADAC_POWER_CTRL_REG1, wr_val);
	WRITE_APB_REG(ADAC_POWER_CTRL_REG2, wr_val);

	wr_val = 1;
	WRITE_APB_REG(ADAC_LATCH, wr_val);
	wr_val = 0;
	WRITE_APB_REG(ADAC_LATCH, wr_val);
}				/* turn_off_audio_DAC */

int audio_internal_dac_disable()
{
	turn_off_audio_DAC();
	return 0;
}

EXPORT_SYMBOL(audio_internal_dac_disable);