[PATCH v4 22/26] leds: as3645a: Use generic support for composing LED names

From: Jacek Anaszewski
Date: Wed Apr 17 2019 - 16:56:08 EST


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

Signed-off-by: Jacek Anaszewski <jacek.anaszewski@xxxxxxxxx>
Cc: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
drivers/leds/leds-as3645a.c | 69 ++++++++++++++++-----------------------------
1 file changed, 25 insertions(+), 44 deletions(-)

diff --git a/drivers/leds/leds-as3645a.c b/drivers/leds/leds-as3645a.c
index b0df514992e1..52a7426e26d4 100644
--- a/drivers/leds/leds-as3645a.c
+++ b/drivers/leds/leds-as3645a.c
@@ -132,11 +132,6 @@ struct as3645a_config {
u32 peak;
};

-struct as3645a_names {
- char flash[32];
- char indicator[32];
-};
-
struct as3645a {
struct i2c_client *client;

@@ -492,12 +487,10 @@ static int as3645a_detect(struct as3645a *flash)
}

static int as3645a_parse_node(struct as3645a *flash,
- struct as3645a_names *names,
struct fwnode_handle *fwnode)
{
struct as3645a_config *cfg = &flash->cfg;
struct fwnode_handle *child;
- const char *name;
int rval;

fwnode_for_each_child_node(fwnode, child) {
@@ -525,17 +518,6 @@ static int as3645a_parse_node(struct as3645a *flash,
return -ENODEV;
}

- rval = fwnode_property_read_string(flash->flash_node, "label", &name);
- if (!rval) {
- strlcpy(names->flash, name, sizeof(names->flash));
- } else if (is_of_node(fwnode)) {
- snprintf(names->flash, sizeof(names->flash),
- "%pOFn:flash", to_of_node(fwnode));
- } else {
- dev_err(&flash->client->dev, "flash node has no label!\n");
- return -EINVAL;
- }
-
rval = fwnode_property_read_u32(flash->flash_node, "flash-timeout-us",
&cfg->flash_timeout_us);
if (rval < 0) {
@@ -573,17 +555,6 @@ static int as3645a_parse_node(struct as3645a *flash,
goto out_err;
}

- rval = fwnode_property_read_string(flash->indicator_node, "label",
- &name);
- if (!rval) {
- strlcpy(names->indicator, name, sizeof(names->indicator));
- } else if (is_of_node(fwnode)) {
- snprintf(names->indicator, sizeof(names->indicator),
- "%pOFn:indicator", to_of_node(fwnode));
- } else {
- dev_err(&flash->client->dev, "indicator node has no label!\n");
- return -EINVAL;
- }

rval = fwnode_property_read_u32(flash->indicator_node,
"led-max-microamp",
@@ -603,21 +574,25 @@ static int as3645a_parse_node(struct as3645a *flash,
return rval;
}

-static int as3645a_led_class_setup(struct as3645a *flash,
- struct as3645a_names *names)
+static int as3645a_led_class_setup(struct as3645a *flash)
{
struct led_classdev *fled_cdev = &flash->fled.led_cdev;
struct led_classdev *iled_cdev = &flash->iled_cdev;
+ struct led_init_data init_data;
struct led_flash_setting *cfg;
int rval;

- iled_cdev->name = names->indicator;
iled_cdev->brightness_set_blocking = as3645a_set_indicator_brightness;
iled_cdev->max_brightness =
flash->cfg.indicator_max_ua / AS_INDICATOR_INTENSITY_STEP;
iled_cdev->flags = LED_CORE_SUSPENDRESUME;

- rval = led_classdev_register(&flash->client->dev, iled_cdev);
+ init_data.fwnode = flash->indicator_node;
+ init_data.devicename = AS_NAME;
+ init_data.default_label = "indicator";
+
+ rval = led_classdev_register_ext(&flash->client->dev, iled_cdev,
+ &init_data);
if (rval < 0)
return rval;

@@ -635,7 +610,6 @@ static int as3645a_led_class_setup(struct as3645a *flash,

flash->fled.ops = &as3645a_led_flash_ops;

- fled_cdev->name = names->flash;
fled_cdev->brightness_set_blocking = as3645a_set_assist_brightness;
/* Value 0 is off in LED class. */
fled_cdev->max_brightness =
@@ -643,15 +617,23 @@ static int as3645a_led_class_setup(struct as3645a *flash,
flash->cfg.assist_max_ua) + 1;
fled_cdev->flags = LED_DEV_CAP_FLASH | LED_CORE_SUSPENDRESUME;

- rval = led_classdev_flash_register(&flash->client->dev, &flash->fled);
- if (rval) {
- led_classdev_unregister(iled_cdev);
- dev_err(&flash->client->dev,
- "led_classdev_flash_register() failed, error %d\n",
- rval);
- }
+ init_data.fwnode = flash->flash_node;
+ init_data.devicename = AS_NAME;
+ init_data.default_label = "flash";
+
+ rval = led_classdev_flash_register_ext(&flash->client->dev,
+ &flash->fled, &init_data);
+ if (rval)
+ goto out_err;

return rval;
+
+out_err:
+ led_classdev_unregister(iled_cdev);
+ dev_err(&flash->client->dev,
+ "led_classdev_flash_register() failed, error %d\n",
+ rval);
+ return rval;
}

static int as3645a_v4l2_setup(struct as3645a *flash)
@@ -697,7 +679,6 @@ static int as3645a_v4l2_setup(struct as3645a *flash)

static int as3645a_probe(struct i2c_client *client)
{
- struct as3645a_names names;
struct as3645a *flash;
int rval;

@@ -710,7 +691,7 @@ static int as3645a_probe(struct i2c_client *client)

flash->client = client;

- rval = as3645a_parse_node(flash, &names, dev_fwnode(&client->dev));
+ rval = as3645a_parse_node(flash, dev_fwnode(&client->dev));
if (rval < 0)
return rval;

@@ -725,7 +706,7 @@ static int as3645a_probe(struct i2c_client *client)
if (rval)
goto out_mutex_destroy;

- rval = as3645a_led_class_setup(flash, &names);
+ rval = as3645a_led_class_setup(flash);
if (rval)
goto out_mutex_destroy;

--
2.11.0