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Message-Id: <1606447736-7944-2-git-send-email-gene.chen.richtek@gmail.com>
Date: Fri, 27 Nov 2020 11:28:51 +0800
From: Gene Chen <gene.chen.richtek@...il.com>
To: jacek.anaszewski@...il.com, pavel@....cz, robh+dt@...nel.org,
matthias.bgg@...il.com
Cc: dmurphy@...com, linux-leds@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
gene_chen@...htek.com, Wilma.Wu@...iatek.com,
shufan_lee@...htek.com, cy_huang@...htek.com,
benjamin.chao@...iatek.com
Subject: [PATCH v10 1/6] leds: flash: Add flash registration with undefined CONFIG_LEDS_CLASS_FLASH
From: Gene Chen <gene_chen@...htek.com>
Add flash registration with undefined CONFIG_LEDS_CLASS_FLASH,
and reuse same registration functions no matter flash class exist or not.
Signed-off-by: Gene Chen <gene_chen@...htek.com>
---
include/linux/led-class-flash.h | 42 ++++++++++++++++++++++++++++++++---------
1 file changed, 33 insertions(+), 9 deletions(-)
diff --git a/include/linux/led-class-flash.h b/include/linux/led-class-flash.h
index 21a3358..612b4ca 100644
--- a/include/linux/led-class-flash.h
+++ b/include/linux/led-class-flash.h
@@ -85,6 +85,7 @@ static inline struct led_classdev_flash *lcdev_to_flcdev(
return container_of(lcdev, struct led_classdev_flash, led_cdev);
}
+#if IS_ENABLED(CONFIG_LEDS_CLASS_FLASH)
/**
* led_classdev_flash_register_ext - register a new object of LED class with
* init data and with support for flash LEDs
@@ -98,12 +99,6 @@ int led_classdev_flash_register_ext(struct device *parent,
struct led_classdev_flash *fled_cdev,
struct led_init_data *init_data);
-static inline int led_classdev_flash_register(struct device *parent,
- struct led_classdev_flash *fled_cdev)
-{
- return led_classdev_flash_register_ext(parent, fled_cdev, NULL);
-}
-
/**
* led_classdev_flash_unregister - unregisters an object of led_classdev class
* with support for flash LEDs
@@ -118,15 +113,44 @@ int devm_led_classdev_flash_register_ext(struct device *parent,
struct led_init_data *init_data);
+void devm_led_classdev_flash_unregister(struct device *parent,
+ struct led_classdev_flash *fled_cdev);
+
+#else
+
+static inline int led_classdev_flash_register_ext(struct device *parent,
+ struct led_classdev_flash *fled_cdev,
+ struct led_init_data *init_data)
+{
+ return 0;
+}
+
+static inline void led_classdev_flash_unregister(struct led_classdev_flash *fled_cdev) {};
+static inline int devm_led_classdev_flash_register_ext(struct device *parent,
+ struct led_classdev_flash *fled_cdev,
+ struct led_init_data *init_data)
+{
+ return 0;
+}
+
+static inline void devm_led_classdev_flash_unregister(struct device *parent,
+ struct led_classdev_flash *fled_cdev)
+{};
+
+#endif /* IS_ENABLED(CONFIG_LEDS_CLASS_FLASH) */
+
+static inline int led_classdev_flash_register(struct device *parent,
+ struct led_classdev_flash *fled_cdev)
+{
+ return led_classdev_flash_register_ext(parent, fled_cdev, NULL);
+}
+
static inline int devm_led_classdev_flash_register(struct device *parent,
struct led_classdev_flash *fled_cdev)
{
return devm_led_classdev_flash_register_ext(parent, fled_cdev, NULL);
}
-void devm_led_classdev_flash_unregister(struct device *parent,
- struct led_classdev_flash *fled_cdev);
-
/**
* led_set_flash_strobe - setup flash strobe
* @fled_cdev: the flash LED to set strobe on
--
2.7.4
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