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[PATCH v2 5/6] dell-led: remove code related to mic mute LED

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  [PATCH v2 5/6] dell-led: remove code related to mic mute LED Michał Kępień <kernel@kempniu.pl> - 2017-01-16 14:30 +0100
    Re: [PATCH v2 5/6] dell-led: remove code related to mic mute LED Pali Rohár <pali.rohar@gmail.com> - 2017-01-17 12:30 +0100

#1559725 — [PATCH v2 5/6] dell-led: remove code related to mic mute LED

With dell_micmute_led_set() moved to drivers/platform/x86/dell-laptop.c,
all remnants of the mic mute LED handling code can be removed from
drivers/leds/dell-led.c, restoring it back to the state it was in before
commit db6d8cc00773 ("dell-led: add mic mute led interface").

Signed-off-by: Michał Kępień <kernel@kempniu.pl>
---
 drivers/leds/Kconfig    |  1 -
 drivers/leds/dell-led.c | 25 +++++++------------------
 2 files changed, 7 insertions(+), 19 deletions(-)

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index c621cbbb5768..f29b8698ca88 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -458,7 +458,6 @@ config LEDS_DELL_NETBOOKS
 	tristate "External LED on Dell Business Netbooks"
 	depends on LEDS_CLASS
 	depends on X86 && ACPI_WMI
-	depends on DELL_SMBIOS
 	help
 	  This adds support for the Latitude 2100 and similar
 	  notebooks that have an external LED.
diff --git a/drivers/leds/dell-led.c b/drivers/leds/dell-led.c
index c9cc36a7c890..e5c57389efd6 100644
--- a/drivers/leds/dell-led.c
+++ b/drivers/leds/dell-led.c
@@ -15,15 +15,12 @@
 #include <linux/leds.h>
 #include <linux/slab.h>
 #include <linux/module.h>
-#include <linux/dmi.h>
-#include "../platform/x86/dell-smbios.h"
 
 MODULE_AUTHOR("Louis Davis/Jim Dailey");
 MODULE_DESCRIPTION("Dell LED Control Driver");
 MODULE_LICENSE("GPL");
 
 #define DELL_LED_BIOS_GUID "F6E4FE6E-909D-47cb-8BAB-C9F6F2F8D396"
-#define DELL_APP_GUID "A80593CE-A997-11DA-B012-B622A1EF5492"
 MODULE_ALIAS("wmi:" DELL_LED_BIOS_GUID);
 
 /* Error Result Codes: */
@@ -184,29 +181,21 @@ static int __init dell_led_init(void)
 {
 	int error = 0;
 
-	if (!wmi_has_guid(DELL_LED_BIOS_GUID) && !wmi_has_guid(DELL_APP_GUID))
+	if (!wmi_has_guid(DELL_LED_BIOS_GUID))
 		return -ENODEV;
 
-	if (wmi_has_guid(DELL_LED_BIOS_GUID)) {
-		error = led_off();
-		if (error != 0)
-			return -ENODEV;
-
-		error = led_classdev_register(NULL, &dell_led);
-	}
+	error = led_off();
+	if (error != 0)
+		return -ENODEV;
 
-	return error;
+	return led_classdev_register(NULL, &dell_led);
 }
 
 static void __exit dell_led_exit(void)
 {
-	int error = 0;
+	led_classdev_unregister(&dell_led);
 
-	if (wmi_has_guid(DELL_LED_BIOS_GUID)) {
-		error = led_off();
-		if (error == 0)
-			led_classdev_unregister(&dell_led);
-	}
+	led_off();
 }
 
 module_init(dell_led_init);
-- 
2.11.0

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#1560515

On Monday 16 January 2017 14:22:03 Michał Kępień wrote:
> With dell_micmute_led_set() moved to drivers/platform/x86/dell-laptop.c,
> all remnants of the mic mute LED handling code can be removed from
> drivers/leds/dell-led.c, restoring it back to the state it was in before
> commit db6d8cc00773 ("dell-led: add mic mute led interface").
> 
> Signed-off-by: Michał Kępień <kernel@kempniu.pl>

Reviewed-by: Pali Rohár <pali.rohar@gmail.com>

-- 
Pali Rohár
pali.rohar@gmail.com

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