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Date: Tue, 6 Nov 2018 23:07:28 +0100
From: Jacek Anaszewski <jacek.anaszewski@...il.com>
To: linux-leds@...r.kernel.org
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
pavel@....cz, robh@...nel.org, jacek.anaszewski@...il.com,
Sakari Ailus <sakari.ailus@...ux.intel.com>
Subject: [PATCH 20/24] leds: as3645a: Use led_compose_name()
Switch to using generic LED support for composing LED class
device name.
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@...il.com>
Cc: Sakari Ailus <sakari.ailus@...ux.intel.com>
---
drivers/leds/leds-as3645a.c | 65 ++++++++++++++++++++-------------------------
1 file changed, 29 insertions(+), 36 deletions(-)
diff --git a/drivers/leds/leds-as3645a.c b/drivers/leds/leds-as3645a.c
index 98a69b1..d7f6037 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 device_node *node)
{
struct as3645a_config *cfg = &flash->cfg;
struct device_node *child;
- const char *name;
int rval;
for_each_child_of_node(node, child) {
@@ -524,13 +517,6 @@ static int as3645a_parse_node(struct as3645a *flash,
return -ENODEV;
}
- rval = of_property_read_string(flash->flash_node, "label", &name);
- if (!rval)
- strlcpy(names->flash, name, sizeof(names->flash));
- else
- snprintf(names->flash, sizeof(names->flash),
- "%pOFn:flash", node);
-
rval = of_property_read_u32(flash->flash_node, "flash-timeout-us",
&cfg->flash_timeout_us);
if (rval < 0) {
@@ -568,13 +554,6 @@ static int as3645a_parse_node(struct as3645a *flash,
goto out_err;
}
- rval = of_property_read_string(flash->indicator_node, "label", &name);
- if (!rval)
- strlcpy(names->indicator, name, sizeof(names->indicator));
- else
- snprintf(names->indicator, sizeof(names->indicator),
- "%pOFn:indicator", node);
-
rval = of_property_read_u32(flash->indicator_node, "led-max-microamp",
&cfg->indicator_max_ua);
if (rval < 0) {
@@ -592,21 +571,27 @@ 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;
+ init_data.fwnode = of_fwnode_handle(flash->indicator_node);
+ rval = led_compose_name(init_data.fwnode, AS_NAME, "indicator",
+ init_data.name);
+ if (rval < 0)
+ return rval;
+
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);
+ rval = led_classdev_register_ext(&flash->client->dev, iled_cdev,
+ &init_data);
if (rval < 0)
return rval;
@@ -624,7 +609,12 @@ static int as3645a_led_class_setup(struct as3645a *flash,
flash->fled.ops = &as3645a_led_flash_ops;
- fled_cdev->name = names->flash;
+ init_data.fwnode = of_fwnode_handle(flash->flash_node);
+ rval = led_compose_name(init_data.fwnode, AS_NAME, "flash",
+ init_data.name);
+ if (rval < 0)
+ goto out_err;
+
fled_cdev->brightness_set_blocking = as3645a_set_assist_brightness;
/* Value 0 is off in LED class. */
fled_cdev->max_brightness =
@@ -632,14 +622,18 @@ 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);
- }
+ 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;
}
@@ -686,7 +680,6 @@ 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;
@@ -699,7 +692,7 @@ static int as3645a_probe(struct i2c_client *client)
flash->client = client;
- rval = as3645a_parse_node(flash, &names, client->dev.of_node);
+ rval = as3645a_parse_node(flash, client->dev.of_node);
if (rval < 0)
return rval;
@@ -714,7 +707,7 @@ 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;
--
2.1.4
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