drm: adv7511: Add link_config variable to struct adv7511_chip_info

The ADV7511 needs link configuration whereas ADV75{33,35} does not need
it. Add a variable link_config to struct adv7511_chip_info to handle
this difference.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230830142358.275459-8-biju.das.jz@bp.renesas.com

drivers/gpu/drm/bridge/adv7511/adv7511.h

@@ -341,6 +341,7 @@ struct adv7511_chip_info {
 	unsigned int num_supplies;
 	unsigned int reg_cec_offset;
 	bool has_dsi;
+	bool link_config;
 };
 
 struct adv7511 {

drivers/gpu/drm/bridge/adv7511/adv7511_drv.c

@@ -1203,7 +1203,7 @@ static int adv7511_probe(struct i2c_client *i2c)
 
 	memset(&link_config, 0, sizeof(link_config));
 
-	if (adv7511->info->type == ADV7511)
+	if (adv7511->info->link_config)
 		ret = adv7511_parse_dt(dev->of_node, &link_config);
 	else
 		ret = adv7533_parse_dt(dev->of_node, adv7511);
@@ -1292,7 +1292,7 @@ static int adv7511_probe(struct i2c_client *i2c)
 
 	i2c_set_clientdata(i2c, adv7511);
 
-	if (adv7511->info->type == ADV7511)
+	if (adv7511->info->link_config)
 		adv7511_set_link_config(adv7511, &link_config);
 
 	ret = adv7511_cec_init(dev, adv7511);
@@ -1358,6 +1358,7 @@ static const struct adv7511_chip_info adv7511_chip_info = {
 	.type = ADV7511,
 	.supply_names = adv7511_supply_names,
 	.num_supplies = ARRAY_SIZE(adv7511_supply_names),
+	.link_config = true,
 };
 
 static const struct adv7511_chip_info adv7533_chip_info = {