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u-boot/arch/arm/mach-imx/cmd_hdmidet.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2012 Boundary Devices Inc.
*/
#include <common.h>
#include <command.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mxc_hdmi.h>
#include <asm/io.h>
static int do_hdmidet(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
return (readb(&hdmi->phy_stat0) & HDMI_DVI_STAT) ? 0 : 1;
}
U_BOOT_CMD(hdmidet, 1, 1, do_hdmidet,
"detect HDMI monitor",
""
);