diff options
| author | Kim, Milo <Milo.Kim@ti.com> | 2013-05-07 00:14:49 -0700 |
|---|---|---|
| committer | Bryan Wu <cooloney@gmail.com> | 2013-06-20 16:21:32 -0700 |
| commit | e015050cc5ea01e4beba3862dcafef9360c77522 (patch) | |
| tree | bd63a78d9df9ce2986585fac10384f52d5ae569b /drivers/leds/leds-lp5562.c | |
| parent | 2dac912809490ea3a6e5c16b83b54a08f36fc3d9 (diff) | |
| download | linux-e015050cc5ea01e4beba3862dcafef9360c77522.tar.gz | |
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 <gabriel.fernandez@stericsson.com> Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bryan Wu <cooloney@gmail.com>
Diffstat (limited to 'drivers/leds/leds-lp5562.c')
| -rw-r--r-- | drivers/leds/leds-lp5562.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/leds/leds-lp5562.c b/drivers/leds/leds-lp5562.c index 513f2390ca2d..e53bcb89a978 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); |