diff options
Diffstat (limited to 'drivers/leds/leds-lp5523.c')
| -rw-r--r-- | drivers/leds/leds-lp5523.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c index 229f734040a..3979428f310 100644 --- a/drivers/leds/leds-lp5523.c +++ b/drivers/leds/leds-lp5523.c @@ -429,12 +429,20 @@ static int lp5523_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) @@ -500,9 +508,19 @@ static const struct i2c_device_id lp5523_id[] = { MODULE_DEVICE_TABLE(i2c, lp5523_id); +#ifdef CONFIG_OF +static const struct of_device_id of_lp5523_leds_match[] = { + { .compatible = "national,lp5523", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, of_lp5523_leds_match); +#endif + static struct i2c_driver lp5523_driver = { .driver = { .name = "lp5523x", + .of_match_table = of_match_ptr(of_lp5523_leds_match), }, .probe = lp5523_probe, .remove = lp5523_remove, |