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-rw-r--r--drivers/leds/Kconfig1
-rw-r--r--drivers/leds/led-triggers.c10
-rw-r--r--drivers/leds/leds-as3645a.c1
-rw-r--r--drivers/leds/leds-bcm6328.c2
-rw-r--r--drivers/leds/leds-bcm6358.c2
-rw-r--r--drivers/leds/leds-ktd2692.c27
-rw-r--r--drivers/leds/leds-lm36274.c82
-rw-r--r--drivers/leds/leds-lm3692x.c8
-rw-r--r--drivers/leds/leds-lp5523.c2
-rw-r--r--drivers/leds/leds-lt3593.c5
-rw-r--r--drivers/leds/trigger/ledtrig-audio.c37
11 files changed, 104 insertions, 73 deletions
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 1988de1d64c0..2cbf66d1c300 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -144,6 +144,7 @@ config LEDS_LM3530
config LEDS_LM3532
tristate "LCD Backlight driver for LM3532"
+ select REGMAP_I2C
depends on LEDS_CLASS
depends on I2C
help
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index 23963e5cb5d6..0d59763e40de 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -318,14 +318,15 @@ void led_trigger_event(struct led_trigger *trig,
enum led_brightness brightness)
{
struct led_classdev *led_cdev;
+ unsigned long flags;
if (!trig)
return;
- read_lock(&trig->leddev_list_lock);
+ read_lock_irqsave(&trig->leddev_list_lock, flags);
list_for_each_entry(led_cdev, &trig->led_cdevs, trig_list)
led_set_brightness(led_cdev, brightness);
- read_unlock(&trig->leddev_list_lock);
+ read_unlock_irqrestore(&trig->leddev_list_lock, flags);
}
EXPORT_SYMBOL_GPL(led_trigger_event);
@@ -336,11 +337,12 @@ static void led_trigger_blink_setup(struct led_trigger *trig,
int invert)
{
struct led_classdev *led_cdev;
+ unsigned long flags;
if (!trig)
return;
- read_lock(&trig->leddev_list_lock);
+ read_lock_irqsave(&trig->leddev_list_lock, flags);
list_for_each_entry(led_cdev, &trig->led_cdevs, trig_list) {
if (oneshot)
led_blink_set_oneshot(led_cdev, delay_on, delay_off,
@@ -348,7 +350,7 @@ static void led_trigger_blink_setup(struct led_trigger *trig,
else
led_blink_set(led_cdev, delay_on, delay_off);
}
- read_unlock(&trig->leddev_list_lock);
+ read_unlock_irqrestore(&trig->leddev_list_lock, flags);
}
void led_trigger_blink(struct led_trigger *trig,
diff --git a/drivers/leds/leds-as3645a.c b/drivers/leds/leds-as3645a.c
index b7e0ae1af8fa..1dc6f1b24ddb 100644
--- a/drivers/leds/leds-as3645a.c
+++ b/drivers/leds/leds-as3645a.c
@@ -544,6 +544,7 @@ static int as3645a_parse_node(struct as3645a *flash,
if (!flash->indicator_node) {
dev_warn(&flash->client->dev,
"can't find indicator node\n");
+ rval = -ENODEV;
goto out_err;
}
diff --git a/drivers/leds/leds-bcm6328.c b/drivers/leds/leds-bcm6328.c
index c50d34e2b098..de932755bcb3 100644
--- a/drivers/leds/leds-bcm6328.c
+++ b/drivers/leds/leds-bcm6328.c
@@ -332,7 +332,7 @@ static int bcm6328_led(struct device *dev, struct device_node *nc, u32 reg,
led->cdev.brightness_set = bcm6328_led_set;
led->cdev.blink_set = bcm6328_blink_set;
- rc = led_classdev_register(dev, &led->cdev);
+ rc = devm_led_classdev_register(dev, &led->cdev);
if (rc < 0)
return rc;
diff --git a/drivers/leds/leds-bcm6358.c b/drivers/leds/leds-bcm6358.c
index aec285fd21c0..dbb8953334d9 100644
--- a/drivers/leds/leds-bcm6358.c
+++ b/drivers/leds/leds-bcm6358.c
@@ -137,7 +137,7 @@ static int bcm6358_led(struct device *dev, struct device_node *nc, u32 reg,
led->cdev.brightness_set = bcm6358_led_set;
- rc = led_classdev_register(dev, &led->cdev);
+ rc = devm_led_classdev_register(dev, &led->cdev);
if (rc < 0)
return rc;
diff --git a/drivers/leds/leds-ktd2692.c b/drivers/leds/leds-ktd2692.c
index 670efee9b131..cd30b3b46e76 100644
--- a/drivers/leds/leds-ktd2692.c
+++ b/drivers/leds/leds-ktd2692.c
@@ -256,6 +256,17 @@ static void ktd2692_setup(struct ktd2692_context *led)
| KTD2692_REG_FLASH_CURRENT_BASE);
}
+static void regulator_disable_action(void *_data)
+{
+ struct device *dev = _data;
+ struct ktd2692_context *led = dev_get_drvdata(dev);
+ int ret;
+
+ ret = regulator_disable(led->regulator);
+ if (ret)
+ dev_err(dev, "Failed to disable supply: %d\n", ret);
+}
+
static int ktd2692_parse_dt(struct ktd2692_context *led, struct device *dev,
struct ktd2692_led_config_data *cfg)
{
@@ -286,8 +297,14 @@ static int ktd2692_parse_dt(struct ktd2692_context *led, struct device *dev,
if (led->regulator) {
ret = regulator_enable(led->regulator);
- if (ret)
+ if (ret) {
dev_err(dev, "Failed to enable supply: %d\n", ret);
+ } else {
+ ret = devm_add_action_or_reset(dev,
+ regulator_disable_action, dev);
+ if (ret)
+ return ret;
+ }
}
child_node = of_get_next_available_child(np, NULL);
@@ -377,17 +394,9 @@ static int ktd2692_probe(struct platform_device *pdev)
static int ktd2692_remove(struct platform_device *pdev)
{
struct ktd2692_context *led = platform_get_drvdata(pdev);
- int ret;
led_classdev_flash_unregister(&led->fled_cdev);
- if (led->regulator) {
- ret = regulator_disable(led->regulator);
- if (ret)
- dev_err(&pdev->dev,
- "Failed to disable supply: %d\n", ret);
- }
-
mutex_destroy(&led->lock);
return 0;
diff --git a/drivers/leds/leds-lm36274.c b/drivers/leds/leds-lm36274.c
index db842eeb7ca2..6c143551f10a 100644
--- a/drivers/leds/leds-lm36274.c
+++ b/drivers/leds/leds-lm36274.c
@@ -41,37 +41,36 @@ struct lm36274 {
};
static int lm36274_brightness_set(struct led_classdev *led_cdev,
- enum led_brightness brt_val)
+ enum led_brightness brt_val)
{
- struct lm36274 *led = container_of(led_cdev, struct lm36274, led_dev);
+ struct lm36274 *chip = container_of(led_cdev, struct lm36274, led_dev);
- return ti_lmu_common_set_brightness(&led->lmu_data, brt_val);
+ return ti_lmu_common_set_brightness(&chip->lmu_data, brt_val);
}
-static int lm36274_init(struct lm36274 *lm36274_data)
+static int lm36274_init(struct lm36274 *chip)
{
int enable_val = 0;
int i;
- for (i = 0; i < lm36274_data->num_leds; i++)
- enable_val |= (1 << lm36274_data->led_sources[i]);
+ for (i = 0; i < chip->num_leds; i++)
+ enable_val |= (1 << chip->led_sources[i]);
if (!enable_val) {
- dev_err(lm36274_data->dev, "No LEDs were enabled\n");
+ dev_err(chip->dev, "No LEDs were enabled\n");
return -EINVAL;
}
enable_val |= LM36274_BL_EN;
- return regmap_write(lm36274_data->regmap, LM36274_REG_BL_EN,
- enable_val);
+ return regmap_write(chip->regmap, LM36274_REG_BL_EN, enable_val);
}
-static int lm36274_parse_dt(struct lm36274 *lm36274_data)
+static int lm36274_parse_dt(struct lm36274 *chip)
{
struct fwnode_handle *child = NULL;
char label[LED_MAX_NAME_SIZE];
- struct device *dev = &lm36274_data->pdev->dev;
+ struct device *dev = &chip->pdev->dev;
const char *name;
int child_cnt;
int ret = -EINVAL;
@@ -84,37 +83,37 @@ static int lm36274_parse_dt(struct lm36274 *lm36274_data)
device_for_each_child_node(dev, child) {
ret = fwnode_property_read_string(child, "label", &name);
if (ret)
- snprintf(label, sizeof(label),
- "%s::", lm36274_data->pdev->name);
+ snprintf(label, sizeof(label), "%s::",
+ chip->pdev->name);
else
- snprintf(label, sizeof(label),
- "%s:%s", lm36274_data->pdev->name, name);
+ snprintf(label, sizeof(label), "%s:%s",
+ chip->pdev->name, name);
- lm36274_data->num_leds = fwnode_property_count_u32(child, "led-sources");
- if (lm36274_data->num_leds <= 0)
+ chip->num_leds = fwnode_property_count_u32(child, "led-sources");
+ if (chip->num_leds <= 0)
return -ENODEV;
ret = fwnode_property_read_u32_array(child, "led-sources",
- lm36274_data->led_sources,
- lm36274_data->num_leds);
+ chip->led_sources,
+ chip->num_leds);
if (ret) {
dev_err(dev, "led-sources property missing\n");
return ret;
}
fwnode_property_read_string(child, "linux,default-trigger",
- &lm36274_data->led_dev.default_trigger);
+ &chip->led_dev.default_trigger);
}
- lm36274_data->lmu_data.regmap = lm36274_data->regmap;
- lm36274_data->lmu_data.max_brightness = MAX_BRIGHTNESS_11BIT;
- lm36274_data->lmu_data.msb_brightness_reg = LM36274_REG_BRT_MSB;
- lm36274_data->lmu_data.lsb_brightness_reg = LM36274_REG_BRT_LSB;
+ chip->lmu_data.regmap = chip->regmap;
+ chip->lmu_data.max_brightness = MAX_BRIGHTNESS_11BIT;
+ chip->lmu_data.msb_brightness_reg = LM36274_REG_BRT_MSB;
+ chip->lmu_data.lsb_brightness_reg = LM36274_REG_BRT_LSB;
- lm36274_data->led_dev.name = label;
- lm36274_data->led_dev.max_brightness = MAX_BRIGHTNESS_11BIT;
- lm36274_data->led_dev.brightness_set_blocking = lm36274_brightness_set;
+ chip->led_dev.name = label;
+ chip->led_dev.max_brightness = MAX_BRIGHTNESS_11BIT;
+ chip->led_dev.brightness_set_blocking = lm36274_brightness_set;
return 0;
}
@@ -122,39 +121,38 @@ static int lm36274_parse_dt(struct lm36274 *lm36274_data)
static int lm36274_probe(struct platform_device *pdev)
{
struct ti_lmu *lmu = dev_get_drvdata(pdev->dev.parent);
- struct lm36274 *lm36274_data;
+ struct lm36274 *chip;
int ret;
- lm36274_data = devm_kzalloc(&pdev->dev, sizeof(*lm36274_data),
- GFP_KERNEL);
- if (!lm36274_data)
+ chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
+ if (!chip)
return -ENOMEM;
- lm36274_data->pdev = pdev;
- lm36274_data->dev = lmu->dev;
- lm36274_data->regmap = lmu->regmap;
- platform_set_drvdata(pdev, lm36274_data);
+ chip->pdev = pdev;
+ chip->dev = lmu->dev;
+ chip->regmap = lmu->regmap;
+ platform_set_drvdata(pdev, chip);
- ret = lm36274_parse_dt(lm36274_data);
+ ret = lm36274_parse_dt(chip);
if (ret) {
- dev_err(lm36274_data->dev, "Failed to parse DT node\n");
+ dev_err(chip->dev, "Failed to parse DT node\n");
return ret;
}
- ret = lm36274_init(lm36274_data);
+ ret = lm36274_init(chip);
if (ret) {
- dev_err(lm36274_data->dev, "Failed to init the device\n");
+ dev_err(chip->dev, "Failed to init the device\n");
return ret;
}
- return led_classdev_register(lm36274_data->dev, &lm36274_data->led_dev);
+ return led_classdev_register(chip->dev, &chip->led_dev);
}
static int lm36274_remove(struct platform_device *pdev)
{
- struct lm36274 *lm36274_data = platform_get_drvdata(pdev);
+ struct lm36274 *chip = platform_get_drvdata(pdev);
- led_classdev_unregister(&lm36274_data->led_dev);
+ led_classdev_unregister(&chip->led_dev);
return 0;
}
diff --git a/drivers/leds/leds-lm3692x.c b/drivers/leds/leds-lm3692x.c
index 1ac9a44570ee..cc77ea048d9b 100644
--- a/drivers/leds/leds-lm3692x.c
+++ b/drivers/leds/leds-lm3692x.c
@@ -358,6 +358,7 @@ static int lm3692x_probe_dt(struct lm3692x_led *led)
ret = fwnode_property_read_u32(child, "reg", &led->led_enable);
if (ret) {
+ fwnode_handle_put(child);
dev_err(&led->client->dev, "reg DT property missing\n");
return ret;
}
@@ -368,12 +369,11 @@ static int lm3692x_probe_dt(struct lm3692x_led *led)
ret = devm_led_classdev_register_ext(&led->client->dev, &led->led_dev,
&init_data);
- if (ret) {
+ if (ret)
dev_err(&led->client->dev, "led register err: %d\n", ret);
- return ret;
- }
- return 0;
+ fwnode_handle_put(init_data.fwnode);
+ return ret;
}
static int lm3692x_probe(struct i2c_client *client,
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index d0b931a136b9..82e781abde29 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -307,7 +307,7 @@ static int lp5523_init_program_engine(struct lp55xx_chip *chip)
usleep_range(3000, 6000);
ret = lp55xx_read(chip, LP5523_REG_STATUS, &status);
if (ret)
- return ret;
+ goto out;
status &= LP5523_ENG_STATUS_MASK;
if (status != LP5523_ENG_STATUS_MASK) {
diff --git a/drivers/leds/leds-lt3593.c b/drivers/leds/leds-lt3593.c
index c94995f0daa2..03ae33093ce6 100644
--- a/drivers/leds/leds-lt3593.c
+++ b/drivers/leds/leds-lt3593.c
@@ -103,10 +103,9 @@ static int lt3593_led_probe(struct platform_device *pdev)
init_data.default_label = ":";
ret = devm_led_classdev_register_ext(dev, &led_data->cdev, &init_data);
- if (ret < 0) {
- fwnode_handle_put(child);
+ fwnode_handle_put(child);
+ if (ret < 0)
return ret;
- }
led_data->cdev.dev->of_node = dev->of_node;
platform_set_drvdata(pdev, led_data);
diff --git a/drivers/leds/trigger/ledtrig-audio.c b/drivers/leds/trigger/ledtrig-audio.c
index f76621e88482..c6b437e6369b 100644
--- a/drivers/leds/trigger/ledtrig-audio.c
+++ b/drivers/leds/trigger/ledtrig-audio.c
@@ -6,10 +6,33 @@
#include <linux/kernel.h>
#include <linux/leds.h>
#include <linux/module.h>
+#include "../leds.h"
-static struct led_trigger *ledtrig_audio[NUM_AUDIO_LEDS];
static enum led_brightness audio_state[NUM_AUDIO_LEDS];
+static int ledtrig_audio_mute_activate(struct led_classdev *led_cdev)
+{
+ led_set_brightness_nosleep(led_cdev, audio_state[LED_AUDIO_MUTE]);
+ return 0;
+}
+
+static int ledtrig_audio_micmute_activate(struct led_classdev *led_cdev)
+{
+ led_set_brightness_nosleep(led_cdev, audio_state[LED_AUDIO_MICMUTE]);
+ return 0;
+}
+
+static struct led_trigger ledtrig_audio[NUM_AUDIO_LEDS] = {
+ [LED_AUDIO_MUTE] = {
+ .name = "audio-mute",
+ .activate = ledtrig_audio_mute_activate,
+ },
+ [LED_AUDIO_MICMUTE] = {
+ .name = "audio-micmute",
+ .activate = ledtrig_audio_micmute_activate,
+ },
+};
+
enum led_brightness ledtrig_audio_get(enum led_audio type)
{
return audio_state[type];
@@ -19,24 +42,22 @@ EXPORT_SYMBOL_GPL(ledtrig_audio_get);
void ledtrig_audio_set(enum led_audio type, enum led_brightness state)
{
audio_state[type] = state;
- led_trigger_event(ledtrig_audio[type], state);
+ led_trigger_event(&ledtrig_audio[type], state);
}
EXPORT_SYMBOL_GPL(ledtrig_audio_set);
static int __init ledtrig_audio_init(void)
{
- led_trigger_register_simple("audio-mute",
- &ledtrig_audio[LED_AUDIO_MUTE]);
- led_trigger_register_simple("audio-micmute",
- &ledtrig_audio[LED_AUDIO_MICMUTE]);
+ led_trigger_register(&ledtrig_audio[LED_AUDIO_MUTE]);
+ led_trigger_register(&ledtrig_audio[LED_AUDIO_MICMUTE]);
return 0;
}
module_init(ledtrig_audio_init);
static void __exit ledtrig_audio_exit(void)
{
- led_trigger_unregister_simple(ledtrig_audio[LED_AUDIO_MUTE]);
- led_trigger_unregister_simple(ledtrig_audio[LED_AUDIO_MICMUTE]);
+ led_trigger_unregister(&ledtrig_audio[LED_AUDIO_MUTE]);
+ led_trigger_unregister(&ledtrig_audio[LED_AUDIO_MICMUTE]);
}
module_exit(ledtrig_audio_exit);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.