WSL2-Linux-Kernel/drivers/video/fbdev/via/via_aux_ch7301.c

36 строки
668 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
*/
/*
* driver for Chrontel CH7301 DVI Transmitter
*/
#include <linux/slab.h>
#include "via_aux.h"
static const char *name = "CH7301 DVI Transmitter";
static void probe(struct via_aux_bus *bus, u8 addr)
{
struct via_aux_drv drv = {
.bus = bus,
.addr = addr,
.name = name};
u8 tmp;
if (!via_aux_read(&drv, 0x4B, &tmp, 1) || tmp != 0x17)
return;
printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr);
via_aux_add(&drv);
}
void via_aux_ch7301_probe(struct via_aux_bus *bus)
{
probe(bus, 0x75);
probe(bus, 0x76);
}