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From:   Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
To:     Pavel Machek <pavel@ucw.cz>, Sakari Ailus <sakari.ailus@iki.fi>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
        Hans Verkuil <hans.verkuil@cisco.com>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc:     Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Subject: [PATCH 4/4] [media] ad5820: Add support for of-autoload
Date:   Thu, 20 Sep 2018 18:19:12 +0200
Message-Id: <20180920161912.17063-4-ricardo.ribalda@gmail.com>
In-Reply-To: <20180920161912.17063-1-ricardo.ribalda@gmail.com>
References: <20180920161912.17063-1-ricardo.ribalda@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Since kernel 4.16, i2c devices with DT compatible tag are modprobed
using their DT modalias.
Without this patch, if this driver is build as module it would never
be autoprobed.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
---
 drivers/media/i2c/ad5820.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/media/i2c/ad5820.c b/drivers/media/i2c/ad5820.c
index 20931217e3b1..d352bc6b6adf 100644
--- a/drivers/media/i2c/ad5820.c
+++ b/drivers/media/i2c/ad5820.c
@@ -375,12 +375,19 @@ static const struct i2c_device_id ad5820_id_table[] = {
 };
 MODULE_DEVICE_TABLE(i2c, ad5820_id_table);
 
+static const struct of_device_id ad5820_of_table[] = {
+	{ .compatible = "adi"AD5820_NAME },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, ad5820_of_table);
+
 static SIMPLE_DEV_PM_OPS(ad5820_pm, ad5820_suspend, ad5820_resume);
 
 static struct i2c_driver ad5820_i2c_driver = {
 	.driver		= {
 		.name	= AD5820_NAME,
 		.pm	= &ad5820_pm,
+		.of_match_table = ad5820_of_table,
 	},
 	.probe		= ad5820_probe,
 	.remove		= ad5820_remove,
-- 
2.18.0