From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jacek Anaszewski Subject: [PATCH 15/25] leds: lm3601x: Use led_compose_name() Date: Sun, 10 Mar 2019 19:28:26 +0100 Message-ID: <20190310182836.20841-16-jacek.anaszewski@gmail.com> References: <20190310182836.20841-1-jacek.anaszewski@gmail.com> Return-path: In-Reply-To: <20190310182836.20841-1-jacek.anaszewski@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-leds@vger.kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, pavel@ucw.cz, robh@kernel.org, jacek.anaszewski@gmail.com List-Id: linux-leds@vger.kernel.org Switch to using generic LED support for composing LED class device name. Signed-off-by: Jacek Anaszewski Acked-by: Dan Murphy --- drivers/leds/leds-lm3601x.c | 45 ++++++++++++++++++++++++--------------------- 1 file changed, 24 insertions(+), 21 deletions(-) diff --git a/drivers/leds/leds-lm3601x.c b/drivers/leds/leds-lm3601x.c index 081aa71e43a3..91ea65217d48 100644 --- a/drivers/leds/leds-lm3601x.c +++ b/drivers/leds/leds-lm3601x.c @@ -10,7 +10,6 @@ #include #include #include -#include #define LM3601X_LED_IR 0x0 #define LM3601X_LED_TORCH 0x1 @@ -90,8 +89,6 @@ struct lm3601x_led { struct regmap *regmap; struct mutex lock; - char led_name[LED_MAX_NAME_SIZE]; - unsigned int flash_timeout; unsigned int last_flag; @@ -322,10 +319,24 @@ static const struct led_flash_ops flash_ops = { .fault_get = lm3601x_flash_fault_get, }; -static int lm3601x_register_leds(struct lm3601x_led *led) +static int lm3601x_register_leds(struct lm3601x_led *led, + struct fwnode_handle *fwnode) { struct led_classdev *led_cdev; struct led_flash_setting *setting; + struct led_init_data init_data = { fwnode }; + char *mode_name; + int ret; + + if (led->led_mode == LM3601X_LED_TORCH) + mode_name = "torch"; + else + mode_name = "infrared"; + + ret = led_compose_name(fwnode, led->client->name, mode_name, + init_data.name); + if (ret < 0) + return ret; led->fled_cdev.ops = &flash_ops; @@ -342,20 +353,20 @@ static int lm3601x_register_leds(struct lm3601x_led *led) setting->val = led->flash_current_max; led_cdev = &led->fled_cdev.led_cdev; - led_cdev->name = led->led_name; led_cdev->brightness_set_blocking = lm3601x_brightness_set; led_cdev->max_brightness = DIV_ROUND_UP(led->torch_current_max, LM3601X_TORCH_REG_DIV); led_cdev->flags |= LED_DEV_CAP_FLASH; - return led_classdev_flash_register(&led->client->dev, &led->fled_cdev); + return led_classdev_flash_register_ext(&led->client->dev, + &led->fled_cdev, &init_data); } -static int lm3601x_parse_node(struct lm3601x_led *led) +static int lm3601x_parse_node(struct lm3601x_led *led, + struct fwnode_handle **fwnode) { struct fwnode_handle *child = NULL; int ret = -ENODEV; - const char *name; child = device_get_next_child_node(&led->client->dev, child); if (!child) { @@ -376,17 +387,6 @@ static int lm3601x_parse_node(struct lm3601x_led *led) goto out_err; } - ret = fwnode_property_read_string(child, "label", &name); - if (ret) { - if (led->led_mode == LM3601X_LED_TORCH) - name = "torch"; - else - name = "infrared"; - } - - snprintf(led->led_name, sizeof(led->led_name), - "%s:%s", led->client->name, name); - ret = fwnode_property_read_u32(child, "led-max-microamp", &led->torch_current_max); if (ret) { @@ -411,6 +411,8 @@ static int lm3601x_parse_node(struct lm3601x_led *led) goto out_err; } + *fwnode = child; + out_err: fwnode_handle_put(child); return ret; @@ -419,6 +421,7 @@ static int lm3601x_parse_node(struct lm3601x_led *led) static int lm3601x_probe(struct i2c_client *client) { struct lm3601x_led *led; + struct fwnode_handle *fwnode; int ret; led = devm_kzalloc(&client->dev, sizeof(*led), GFP_KERNEL); @@ -428,7 +431,7 @@ static int lm3601x_probe(struct i2c_client *client) led->client = client; i2c_set_clientdata(client, led); - ret = lm3601x_parse_node(led); + ret = lm3601x_parse_node(led, &fwnode); if (ret) return -ENODEV; @@ -442,7 +445,7 @@ static int lm3601x_probe(struct i2c_client *client) mutex_init(&led->lock); - return lm3601x_register_leds(led); + return lm3601x_register_leds(led, fwnode); } static int lm3601x_remove(struct i2c_client *client) -- 2.11.0