diff options
Diffstat (limited to 'drivers/video/backlight/lm3630a_bl.c')
-rw-r--r-- | drivers/video/backlight/lm3630a_bl.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c index b04b35d007a2..ee320883b710 100644 --- a/drivers/video/backlight/lm3630a_bl.c +++ b/drivers/video/backlight/lm3630a_bl.c @@ -12,6 +12,7 @@ #include <linux/uaccess.h> #include <linux/interrupt.h> #include <linux/regmap.h> +#include <linux/gpio/consumer.h> #include <linux/pwm.h> #include <linux/platform_data/lm3630a_bl.h> @@ -48,6 +49,7 @@ struct lm3630a_chip { struct lm3630a_platform_data *pdata; struct backlight_device *bleda; struct backlight_device *bledb; + struct gpio_desc *enable_gpio; struct regmap *regmap; struct pwm_device *pwmd; }; @@ -377,8 +379,7 @@ static int lm3630a_parse_led_sources(struct fwnode_handle *node, u32 sources[LM3630A_NUM_SINKS]; int ret, num_sources, i; - num_sources = fwnode_property_read_u32_array(node, "led-sources", NULL, - 0); + num_sources = fwnode_property_count_u32(node, "led-sources"); if (num_sources < 0) return default_led_sources; else if (num_sources > ARRAY_SIZE(sources)) @@ -535,6 +536,13 @@ static int lm3630a_probe(struct i2c_client *client, } pchip->pdata = pdata; + pchip->enable_gpio = devm_gpiod_get_optional(&client->dev, "enable", + GPIOD_OUT_HIGH); + if (IS_ERR(pchip->enable_gpio)) { + rval = PTR_ERR(pchip->enable_gpio); + return rval; + } + /* chip initialize */ rval = lm3630a_chip_init(pchip); if (rval < 0) { @@ -599,12 +607,14 @@ static const struct i2c_device_id lm3630a_id[] = { {} }; +MODULE_DEVICE_TABLE(i2c, lm3630a_id); + static const struct of_device_id lm3630a_match_table[] = { { .compatible = "ti,lm3630a", }, { }, }; -MODULE_DEVICE_TABLE(i2c, lm3630a_id); +MODULE_DEVICE_TABLE(of, lm3630a_match_table); static struct i2c_driver lm3630a_i2c_driver = { .driver = { |