1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/video/fbdev/via/via_aux_ch7301.c b/drivers/video/fbdev/via/via_aux_ch7301.c
new file mode 100644
index 000000000..70852d06b
--- /dev/null
+++ b/drivers/video/fbdev/via/via_aux_ch7301.c
@@ -0,0 +1,35 @@
+// 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);
+}