diff options
Diffstat (limited to 'drivers/leds/leds-lp5521.c')
| -rw-r--r-- | drivers/leds/leds-lp5521.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c index 19752c928aa..1392feb1bcf 100644 --- a/drivers/leds/leds-lp5521.c +++ b/drivers/leds/leds-lp5521.c @@ -31,6 +31,7 @@ #include <linux/mutex.h> #include <linux/platform_data/leds-lp55xx.h> #include <linux/slab.h> +#include <linux/of.h> #include "leds-lp55xx-common.h" @@ -416,12 +417,20 @@ static int lp5521_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) @@ -485,9 +494,18 @@ static const struct i2c_device_id lp5521_id[] = { }; MODULE_DEVICE_TABLE(i2c, lp5521_id); +#ifdef CONFIG_OF +static const struct of_device_id of_lp5521_leds_match[] = { + { .compatible = "national,lp5521", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, of_lp5521_leds_match); +#endif static struct i2c_driver lp5521_driver = { .driver = { .name = "lp5521", + .of_match_table = of_match_ptr(of_lp5521_leds_match), }, .probe = lp5521_probe, .remove = lp5521_remove, |