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SubjectRe: [PATCH v3 13/25] leds: lm3692x: Use generic support for composing LED names
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Jacek

On 3/31/19 12:54 PM, Jacek Anaszewski wrote:
> Switch to using generic LED support for composing LED class
> device name.
>
> At this occassion remove initialization of struct led_classdev's
> dev->of_node property in the driver, since now it will be taken from
> fwnode assigned to struct led_init_data and passed to the new
> devm_led_classdev_register_ext() API.
>
> Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
> Cc: Dan Murphy <dmurphy@ti.com>
> ---
> drivers/leds/leds-lm3692x.c | 22 ++++++----------------
> 1 file changed, 6 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/leds/leds-lm3692x.c b/drivers/leds/leds-lm3692x.c
> index 4f413a7c5f05..d2b30074d87a 100644
> --- a/drivers/leds/leds-lm3692x.c
> +++ b/drivers/leds/leds-lm3692x.c
> @@ -13,7 +13,6 @@
> #include <linux/regmap.h>
> #include <linux/regulator/consumer.h>
> #include <linux/slab.h>
> -#include <uapi/linux/uleds.h>
>
> #define LM36922_MODEL 0
> #define LM36923_MODEL 1
> @@ -103,7 +102,6 @@
> * @regmap - Devices register map
> * @enable_gpio - VDDIO/EN gpio to enable communication interface
> * @regulator - LED supply regulator pointer
> - * @label - LED label
> * @led_enable - LED sync to be enabled
> * @model_id - Current device model ID enumerated
> */
> @@ -114,7 +112,6 @@ struct lm3692x_led {
> struct regmap *regmap;
> struct gpio_desc *enable_gpio;
> struct regulator *regulator;
> - char label[LED_MAX_NAME_SIZE];
> int led_enable;
> int model_id;
> };
> @@ -325,7 +322,7 @@ static int lm3692x_init(struct lm3692x_led *led)
> static int lm3692x_probe_dt(struct lm3692x_led *led)
> {
> struct fwnode_handle *child = NULL;
> - const char *name;
> + struct led_init_data init_data;
> int ret;
>
> led->enable_gpio = devm_gpiod_get_optional(&led->client->dev,
> @@ -350,30 +347,23 @@ static int lm3692x_probe_dt(struct lm3692x_led *led)
> fwnode_property_read_string(child, "linux,default-trigger",
> &led->led_dev.default_trigger);
>
> - ret = fwnode_property_read_string(child, "label", &name);
> - if (ret)
> - snprintf(led->label, sizeof(led->label),
> - "%s::", led->client->name);
> - else
> - snprintf(led->label, sizeof(led->label),
> - "%s:%s", led->client->name, name);
> -
> ret = fwnode_property_read_u32(child, "reg", &led->led_enable);
> if (ret) {
> dev_err(&led->client->dev, "reg DT property missing\n");
> return ret;
> }
>
> - led->led_dev.name = led->label;
> + init_data.fwnode = child;
> + init_data.led_hw_name = led->client->name;
> + init_data.default_label = ":";
>
> - ret = devm_led_classdev_register(&led->client->dev, &led->led_dev);
> + ret = devm_led_classdev_register_ext(&led->client->dev, &led->led_dev,
> + &init_data);
> if (ret) {
> dev_err(&led->client->dev, "led register err: %d\n", ret);
> return ret;
> }
>
> - led->led_dev.dev->of_node = to_of_node(child);
> -
> return 0;
> }
>

Tested-by: Dan Murphy <dmurphy@ti.com>

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