leds: lp55xx: Convert to use GPIO descriptors
[linux-2.6-microblaze.git] / drivers / leds / leds-lp55xx-common.c
index 44ced02..1354965 100644 (file)
@@ -17,8 +17,7 @@
 #include <linux/module.h>
 #include <linux/platform_data/leds-lp55xx.h>
 #include <linux/slab.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
 
 #include "leds-lp55xx-common.h"
 
@@ -395,18 +394,11 @@ int lp55xx_init_device(struct lp55xx_chip *chip)
        if (!pdata || !cfg)
                return -EINVAL;
 
-       if (gpio_is_valid(pdata->enable_gpio)) {
-               ret = devm_gpio_request_one(dev, pdata->enable_gpio,
-                                           GPIOF_DIR_OUT, "lp5523_enable");
-               if (ret < 0) {
-                       dev_err(dev, "could not acquire enable gpio (err=%d)\n",
-                               ret);
-                       goto err;
-               }
-
-               gpio_set_value(pdata->enable_gpio, 0);
+       if (pdata->enable_gpiod) {
+               gpiod_set_consumer_name(pdata->enable_gpiod, "LP55xx enable");
+               gpiod_set_value(pdata->enable_gpiod, 0);
                usleep_range(1000, 2000); /* Keep enable down at least 1ms */
-               gpio_set_value(pdata->enable_gpio, 1);
+               gpiod_set_value(pdata->enable_gpiod, 1);
                usleep_range(1000, 2000); /* 500us abs min. */
        }
 
@@ -447,8 +439,8 @@ void lp55xx_deinit_device(struct lp55xx_chip *chip)
        if (chip->clk)
                clk_disable_unprepare(chip->clk);
 
-       if (gpio_is_valid(pdata->enable_gpio))
-               gpio_set_value(pdata->enable_gpio, 0);
+       if (pdata->enable_gpiod)
+               gpiod_set_value(pdata->enable_gpiod, 0);
 }
 EXPORT_SYMBOL_GPL(lp55xx_deinit_device);
 
@@ -579,7 +571,10 @@ struct lp55xx_platform_data *lp55xx_of_populate_pdata(struct device *dev,
        of_property_read_string(np, "label", &pdata->label);
        of_property_read_u8(np, "clock-mode", &pdata->clock_mode);
 
-       pdata->enable_gpio = of_get_named_gpio(np, "enable-gpio", 0);
+       pdata->enable_gpiod = devm_gpiod_get_optional(dev, "enable",
+                                                     GPIOD_ASIS);
+       if (IS_ERR(pdata->enable_gpiod))
+               return ERR_CAST(pdata->enable_gpiod);
 
        /* LP8501 specific */
        of_property_read_u8(np, "pwr-sel", (u8 *)&pdata->pwr_sel);