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Diffstat (limited to 'drivers/video/fbdev/via/via_aux_vt1636.c')
-rw-r--r--drivers/video/fbdev/via/via_aux_vt1636.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/video/fbdev/via/via_aux_vt1636.c b/drivers/video/fbdev/via/via_aux_vt1636.c
new file mode 100644
index 000000000..1bda5549d
--- /dev/null
+++ b/drivers/video/fbdev/via/via_aux_vt1636.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
+ */
+/*
+ * driver for VIA VT1636 LVDS Transmitter
+ */
+
+#include <linux/slab.h>
+#include "via_aux.h"
+
+
+static const char *name = "VT1636 LVDS Transmitter";
+
+
+void via_aux_vt1636_probe(struct via_aux_bus *bus)
+{
+ struct via_aux_drv drv = {
+ .bus = bus,
+ .addr = 0x40,
+ .name = name};
+ /* check vendor id and device id */
+ const u8 id[] = {0x06, 0x11, 0x45, 0x33}, len = ARRAY_SIZE(id);
+ u8 tmp[ARRAY_SIZE(id)];
+
+ if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len))
+ return;
+
+ printk(KERN_INFO "viafb: Found %s\n", name);
+ via_aux_add(&drv);
+}