linux-kernel - [PATCH 10/17] iio: light: apds9960: Add OF device ID table

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Message-Id: <20170313195917.12190-11-javier@osg.samsung.com>
Date:   Mon, 13 Mar 2017 16:59:10 -0300
From:   Javier Martinez Canillas <javier@....samsung.com>
To:     linux-kernel@...r.kernel.org
Cc:     Javier Martinez Canillas <javier@....samsung.com>,
        Matt Ranostay <mranostay@...il.com>,
        Slawomir Stepien <sst@...zta.fm>, linux-iio@...r.kernel.org,
        Hartmut Knaack <knaack.h@....de>,
        Gregor Boirie <gregor.boirie@...rot.com>,
        Yong Li <sdliyong@...il.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Jonathan Cameron <jic23@...nel.org>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Dan Carpenter <dan.carpenter@...cle.com>
Subject: [PATCH 10/17] iio: light: apds9960: Add OF device ID table

The driver doesn't have a struct of_device_id table but supported devices
are registered via Device Trees. This is working on the assumption that a
I2C device registered via OF will always match a legacy I2C device ID and
that the MODALIAS reported will always be of the form i2c:<device>.

But this could change in the future so the correct approach is to have an
OF device ID table if the devices are registered via OF.

Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
---

 drivers/iio/light/apds9960.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c
index a4304edc3e0f..0e4a739af9d6 100644
--- a/drivers/iio/light/apds9960.c
+++ b/drivers/iio/light/apds9960.c
@@ -1122,9 +1122,16 @@ static const struct i2c_device_id apds9960_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, apds9960_id);
 
+static const struct of_device_id apds9960_of_match[] = {
+	{ .compatible = "avago,apds9960" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, apds9960_of_match);
+
 static struct i2c_driver apds9960_driver = {
 	.driver = {
 		.name	= APDS9960_DRV_NAME,
+		.of_match_table = of_match_ptr(apds9960_of_match),
 		.pm	= &apds9960_pm_ops,
 	},
 	.probe		= apds9960_probe,
-- 
2.9.3