drm/i915: add support for dvo Chrontel 7010B

This patch add dvo detection for the Chrontel 7010B on some old hardware.

References: https://bugzilla.kernel.org/show_bug.cgi?id=55101
Signed-off-by: Braggle <braggle at free.fr>
[danvet: Fix up whitespace mangling.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_dvo.c

@@ -53,6 +53,13 @@ static const struct intel_dvo_device intel_dvo_devices[] = {
 		.slave_addr = CH7xxx_ADDR,
 		.dev_ops = &ch7xxx_ops,
 	},
+	{
+		.type = INTEL_DVO_CHIP_TMDS,
+		.name = "ch7xxx",
+		.dvo_reg = DVOC,
+		.slave_addr = 0x75, /* For some ch7010 */
+		.dev_ops = &ch7xxx_ops,
+	},
 	{
 		.type = INTEL_DVO_CHIP_LVDS,
 		.name = "ivch",