summaryrefslogtreecommitdiffstats
path: root/drivers/video/backlight/lm3630a_bl.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/backlight/lm3630a_bl.c')
-rw-r--r--drivers/video/backlight/lm3630a_bl.c16
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 = {
OpenPOWER on IntegriCloud