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-rw-r--r--drivers/leds/leds-ns2.c103
1 files changed, 47 insertions, 56 deletions
diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c
index 6dba6208433c..dde476420a73 100644
--- a/drivers/leds/leds-ns2.c
+++ b/drivers/leds/leds-ns2.c
@@ -62,21 +62,20 @@ struct ns2_led {
struct ns2_led_modval *modval;
};
-static int ns2_led_get_mode(struct ns2_led *led_dat,
- enum ns2_led_modes *mode)
+static int ns2_led_get_mode(struct ns2_led *led, enum ns2_led_modes *mode)
{
int i;
int ret = -EINVAL;
int cmd_level;
int slow_level;
- cmd_level = gpiod_get_value_cansleep(led_dat->cmd);
- slow_level = gpiod_get_value_cansleep(led_dat->slow);
+ cmd_level = gpiod_get_value_cansleep(led->cmd);
+ slow_level = gpiod_get_value_cansleep(led->slow);
- for (i = 0; i < led_dat->num_modes; i++) {
- if (cmd_level == led_dat->modval[i].cmd_level &&
- slow_level == led_dat->modval[i].slow_level) {
- *mode = led_dat->modval[i].mode;
+ for (i = 0; i < led->num_modes; i++) {
+ if (cmd_level == led->modval[i].cmd_level &&
+ slow_level == led->modval[i].slow_level) {
+ *mode = led->modval[i].mode;
ret = 0;
break;
}
@@ -85,15 +84,14 @@ static int ns2_led_get_mode(struct ns2_led *led_dat,
return ret;
}
-static void ns2_led_set_mode(struct ns2_led *led_dat,
- enum ns2_led_modes mode)
+static void ns2_led_set_mode(struct ns2_led *led, enum ns2_led_modes mode)
{
int i;
bool found = false;
unsigned long flags;
- for (i = 0; i < led_dat->num_modes; i++)
- if (mode == led_dat->modval[i].mode) {
+ for (i = 0; i < led->num_modes; i++)
+ if (mode == led->modval[i].mode) {
found = true;
break;
}
@@ -101,38 +99,35 @@ static void ns2_led_set_mode(struct ns2_led *led_dat,
if (!found)
return;
- write_lock_irqsave(&led_dat->rw_lock, flags);
+ write_lock_irqsave(&led->rw_lock, flags);
- if (!led_dat->can_sleep) {
- gpiod_set_value(led_dat->cmd,
- led_dat->modval[i].cmd_level);
- gpiod_set_value(led_dat->slow,
- led_dat->modval[i].slow_level);
+ if (!led->can_sleep) {
+ gpiod_set_value(led->cmd, led->modval[i].cmd_level);
+ gpiod_set_value(led->slow, led->modval[i].slow_level);
goto exit_unlock;
}
- gpiod_set_value_cansleep(led_dat->cmd, led_dat->modval[i].cmd_level);
- gpiod_set_value_cansleep(led_dat->slow, led_dat->modval[i].slow_level);
+ gpiod_set_value_cansleep(led->cmd, led->modval[i].cmd_level);
+ gpiod_set_value_cansleep(led->slow, led->modval[i].slow_level);
exit_unlock:
- write_unlock_irqrestore(&led_dat->rw_lock, flags);
+ write_unlock_irqrestore(&led->rw_lock, flags);
}
static void ns2_led_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
- struct ns2_led *led_dat =
- container_of(led_cdev, struct ns2_led, cdev);
+ struct ns2_led *led = container_of(led_cdev, struct ns2_led, cdev);
enum ns2_led_modes mode;
if (value == LED_OFF)
mode = NS_V2_LED_OFF;
- else if (led_dat->sata)
+ else if (led->sata)
mode = NS_V2_LED_SATA;
else
mode = NS_V2_LED_ON;
- ns2_led_set_mode(led_dat, mode);
+ ns2_led_set_mode(led, mode);
}
static int ns2_led_set_blocking(struct led_classdev *led_cdev,
@@ -147,8 +142,7 @@ static ssize_t ns2_led_sata_store(struct device *dev,
const char *buff, size_t count)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct ns2_led *led_dat =
- container_of(led_cdev, struct ns2_led, cdev);
+ struct ns2_led *led = container_of(led_cdev, struct ns2_led, cdev);
int ret;
unsigned long enable;
@@ -158,18 +152,18 @@ static ssize_t ns2_led_sata_store(struct device *dev,
enable = !!enable;
- if (led_dat->sata == enable)
+ if (led->sata == enable)
goto exit;
- led_dat->sata = enable;
+ led->sata = enable;
if (!led_get_brightness(led_cdev))
goto exit;
if (enable)
- ns2_led_set_mode(led_dat, NS_V2_LED_SATA);
+ ns2_led_set_mode(led, NS_V2_LED_SATA);
else
- ns2_led_set_mode(led_dat, NS_V2_LED_ON);
+ ns2_led_set_mode(led, NS_V2_LED_ON);
exit:
return count;
@@ -179,10 +173,9 @@ static ssize_t ns2_led_sata_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
- struct ns2_led *led_dat =
- container_of(led_cdev, struct ns2_led, cdev);
+ struct ns2_led *led = container_of(led_cdev, struct ns2_led, cdev);
- return sprintf(buf, "%d\n", led_dat->sata);
+ return sprintf(buf, "%d\n", led->sata);
}
static DEVICE_ATTR(sata, 0644, ns2_led_sata_show, ns2_led_sata_store);
@@ -194,40 +187,38 @@ static struct attribute *ns2_led_attrs[] = {
ATTRIBUTE_GROUPS(ns2_led);
static int
-create_ns2_led(struct platform_device *pdev, struct ns2_led *led_dat,
+create_ns2_led(struct platform_device *pdev, struct ns2_led *led,
const struct ns2_led_of_one *template)
{
int ret;
enum ns2_led_modes mode;
- rwlock_init(&led_dat->rw_lock);
-
- led_dat->cdev.name = template->name;
- led_dat->cdev.default_trigger = template->default_trigger;
- led_dat->cdev.blink_set = NULL;
- led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
- led_dat->cdev.groups = ns2_led_groups;
- led_dat->cmd = template->cmd;
- led_dat->slow = template->slow;
- led_dat->can_sleep = gpiod_cansleep(led_dat->cmd) |
- gpiod_cansleep(led_dat->slow);
- if (led_dat->can_sleep)
- led_dat->cdev.brightness_set_blocking = ns2_led_set_blocking;
+ rwlock_init(&led->rw_lock);
+
+ led->cdev.name = template->name;
+ led->cdev.default_trigger = template->default_trigger;
+ led->cdev.blink_set = NULL;
+ led->cdev.flags |= LED_CORE_SUSPENDRESUME;
+ led->cdev.groups = ns2_led_groups;
+ led->cmd = template->cmd;
+ led->slow = template->slow;
+ led->can_sleep = gpiod_cansleep(led->cmd) | gpiod_cansleep(led->slow);
+ if (led->can_sleep)
+ led->cdev.brightness_set_blocking = ns2_led_set_blocking;
else
- led_dat->cdev.brightness_set = ns2_led_set;
- led_dat->modval = template->modval;
- led_dat->num_modes = template->num_modes;
+ led->cdev.brightness_set = ns2_led_set;
+ led->modval = template->modval;
+ led->num_modes = template->num_modes;
- ret = ns2_led_get_mode(led_dat, &mode);
+ ret = ns2_led_get_mode(led, &mode);
if (ret < 0)
return ret;
/* Set LED initial state. */
- led_dat->sata = (mode == NS_V2_LED_SATA) ? 1 : 0;
- led_dat->cdev.brightness =
- (mode == NS_V2_LED_OFF) ? LED_OFF : LED_FULL;
+ led->sata = (mode == NS_V2_LED_SATA) ? 1 : 0;
+ led->cdev.brightness = (mode == NS_V2_LED_OFF) ? LED_OFF : LED_FULL;
- return devm_led_classdev_register(&pdev->dev, &led_dat->cdev);
+ return devm_led_classdev_register(&pdev->dev, &led->cdev);
}
static int ns2_leds_parse_one(struct device *dev, struct device_node *np,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 19:34:33 +0000