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leds: sc27xx-blt: Use generic support for composing LED names 

Switch to using generic LED support for composing LED class
device name.

Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Reviewed-by: Baolin Wang <baolin.wang@linaro.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
This commit is contained in:
Jacek Anaszewski 2019-06-09 20:19:04 +02:00
parent 0f0f25797a
commit 5fdf85a091
1 changed files with 9 additions and 13 deletions
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22
drivers/leds/leds-sc27xx-bltc.c
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@ -6,7 +6,6 @@
#include <linux/of.h> #include <linux/of.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/regmap.h> #include <linux/regmap.h>
#include <uapi/linux/uleds.h>
/* PMIC global control register definition */ /* PMIC global control register definition */
#define SC27XX_MODULE_EN0 0xc08 #define SC27XX_MODULE_EN0 0xc08
@ -46,7 +45,7 @@
#define SC27XX_DELTA_T_MAX (SC27XX_LEDS_STEP * 255) #define SC27XX_DELTA_T_MAX (SC27XX_LEDS_STEP * 255)
struct sc27xx_led { struct sc27xx_led {
char name[LED_MAX_NAME_SIZE]; struct fwnode_handle *fwnode;
struct led_classdev ldev; struct led_classdev ldev;
struct sc27xx_led_priv *priv; struct sc27xx_led_priv *priv;
u8 line; u8 line;
@ -249,19 +248,24 @@ static int sc27xx_led_register(struct device *dev, struct sc27xx_led_priv *priv)
for (i = 0; i < SC27XX_LEDS_MAX; i++) { for (i = 0; i < SC27XX_LEDS_MAX; i++) {
struct sc27xx_led *led = &priv->leds[i]; struct sc27xx_led *led = &priv->leds[i];
struct led_init_data init_data = {};
if (!led->active) if (!led->active)
continue; continue;
led->line = i; led->line = i;
led->priv = priv; led->priv = priv;
led->ldev.name = led->name;
led->ldev.brightness_set_blocking = sc27xx_led_set; led->ldev.brightness_set_blocking = sc27xx_led_set;
led->ldev.pattern_set = sc27xx_led_pattern_set; led->ldev.pattern_set = sc27xx_led_pattern_set;
led->ldev.pattern_clear = sc27xx_led_pattern_clear; led->ldev.pattern_clear = sc27xx_led_pattern_clear;
led->ldev.default_trigger = "pattern"; led->ldev.default_trigger = "pattern";
err = devm_led_classdev_register(dev, &led->ldev); init_data.fwnode = led->fwnode;
init_data.devicename = "sc27xx";
init_data.default_label = ":";
err = devm_led_classdev_register_ext(dev, &led->ldev,
&init_data);
if (err) if (err)
return err; return err;
} }
@ -274,7 +278,6 @@ static int sc27xx_led_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev; struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node, *child; struct device_node *np = dev->of_node, *child;
struct sc27xx_led_priv *priv; struct sc27xx_led_priv *priv;
const char *str;
u32 base, count, reg; u32 base, count, reg;
int err; int err;
@ -316,15 +319,8 @@ static int sc27xx_led_probe(struct platform_device *pdev)
return -EINVAL; return -EINVAL;
} }
priv->leds[reg].fwnode = of_fwnode_handle(child);
priv->leds[reg].active = true; priv->leds[reg].active = true;
err = of_property_read_string(child, "label", &str);
if (err)
snprintf(priv->leds[reg].name, LED_MAX_NAME_SIZE,
"sc27xx::");
else
snprintf(priv->leds[reg].name, LED_MAX_NAME_SIZE,
"sc27xx:%s", str);
} }
err = sc27xx_led_register(dev, priv); err = sc27xx_led_register(dev, priv);