From e015050cc5ea01e4beba3862dcafef9360c77522 Mon Sep 17 00:00:00 2001 From: "Kim, Milo" Date: Tue, 7 May 2013 00:14:49 -0700 Subject: leds: lp5562: support the device tree feature The LP55xx DT structure is applicable to the LP5562 device. The driver and documentation are updated. Compatible property of the DT : LP5521 and LP5223 were manufactured by National Semiconductor. LP5562 is a new device from Texas Instruments. Cc: Gabriel Fernandez Signed-off-by: Milo(Woogyom) Kim Acked-by: Linus Walleij Signed-off-by: Bryan Wu --- drivers/leds/leds-lp5562.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) (limited to 'drivers/leds') diff --git a/drivers/leds/leds-lp5562.c b/drivers/leds/leds-lp5562.c index 513f2390ca2..e53bcb89a97 100644 --- a/drivers/leds/leds-lp5562.c +++ b/drivers/leds/leds-lp5562.c @@ -515,12 +515,20 @@ static int lp5562_probe(struct i2c_client *client, int ret; struct lp55xx_chip *chip; struct lp55xx_led *led; - struct lp55xx_platform_data *pdata = client->dev.platform_data; - - if (!pdata) { - dev_err(&client->dev, "no platform data\n"); - return -EINVAL; + struct lp55xx_platform_data *pdata; + struct device_node *np = client->dev.of_node; + + if (!client->dev.platform_data) { + if (np) { + ret = lp55xx_of_populate_pdata(&client->dev, np); + if (ret < 0) + return ret; + } else { + dev_err(&client->dev, "no platform data\n"); + return -EINVAL; + } } + pdata = client->dev.platform_data; chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL); if (!chip) @@ -579,6 +587,7 @@ static int lp5562_remove(struct i2c_client *client) static const struct i2c_device_id lp5562_id[] = { { "lp5562", 0 }, + { "ti,lp5562", 0 }, /* OF compatible */ { } }; MODULE_DEVICE_TABLE(i2c, lp5562_id); -- cgit v1.2.3-70-g09d2