Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds
* 'for-linus' of git://git.o-hand.com/linux-rpurdie-leds: leds: Fix race between LED device uevent and actual attributes creation leds-gpio: fix default state handling on OF platforms leds: Add Dell Business Class Netbook LED driver leds: Kconfig cleanup leds: led-class.c - Quiet boot messages leds: make PCI device id constant leds: ALIX2: Add dependency to !GPIO_CS5335
This commit is contained in:
Linus Torvalds
commit
5dbc2f543d
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|
@ -15,6 +15,8 @@ config LEDS_CLASS
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|||
This option enables the led sysfs class in /sys/class/leds. You'll
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need this to do anything useful with LEDs. If unsure, say N.
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||||
if LEDS_CLASS
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comment "LED drivers"
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config LEDS_88PM860X
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@ -26,73 +28,73 @@ config LEDS_88PM860X
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config LEDS_ATMEL_PWM
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tristate "LED Support using Atmel PWM outputs"
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||||
depends on LEDS_CLASS && ATMEL_PWM
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||||
depends on ATMEL_PWM
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||||
help
|
||||
This option enables support for LEDs driven using outputs
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||||
of the dedicated PWM controller found on newer Atmel SOCs.
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||||
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||||
config LEDS_LOCOMO
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tristate "LED Support for Locomo device"
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||||
depends on LEDS_CLASS && SHARP_LOCOMO
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depends on SHARP_LOCOMO
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help
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||||
This option enables support for the LEDs on Sharp Locomo.
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Zaurus models SL-5500 and SL-5600.
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config LEDS_MIKROTIK_RB532
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tristate "LED Support for Mikrotik Routerboard 532"
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depends on LEDS_CLASS && MIKROTIK_RB532
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depends on MIKROTIK_RB532
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help
|
||||
This option enables support for the so called "User LED" of
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||||
Mikrotik's Routerboard 532.
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config LEDS_S3C24XX
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tristate "LED Support for Samsung S3C24XX GPIO LEDs"
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depends on LEDS_CLASS && ARCH_S3C2410
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depends on ARCH_S3C2410
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help
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||||
This option enables support for LEDs connected to GPIO lines
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||||
on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
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config LEDS_AMS_DELTA
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tristate "LED Support for the Amstrad Delta (E3)"
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depends on LEDS_CLASS && MACH_AMS_DELTA
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depends on MACH_AMS_DELTA
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help
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This option enables support for the LEDs on Amstrad Delta (E3).
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config LEDS_NET48XX
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tristate "LED Support for Soekris net48xx series Error LED"
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depends on LEDS_CLASS && SCx200_GPIO
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depends on SCx200_GPIO
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help
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This option enables support for the Soekris net4801 and net4826 error
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LED.
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config LEDS_FSG
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tristate "LED Support for the Freecom FSG-3"
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depends on LEDS_CLASS && MACH_FSG
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depends on MACH_FSG
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help
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This option enables support for the LEDs on the Freecom FSG-3.
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config LEDS_WRAP
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tristate "LED Support for the WRAP series LEDs"
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depends on LEDS_CLASS && SCx200_GPIO
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depends on SCx200_GPIO
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help
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This option enables support for the PCEngines WRAP programmable LEDs.
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config LEDS_ALIX2
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tristate "LED Support for ALIX.2 and ALIX.3 series"
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depends on LEDS_CLASS && X86 && EXPERIMENTAL
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depends on X86 && !GPIO_CS5535 && !CS5535_GPIO
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help
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This option enables support for the PCEngines ALIX.2 and ALIX.3 LEDs.
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You have to set leds-alix2.force=1 for boards with Award BIOS.
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config LEDS_H1940
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tristate "LED Support for iPAQ H1940 device"
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depends on LEDS_CLASS && ARCH_H1940
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depends on ARCH_H1940
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help
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This option enables support for the LEDs on the h1940.
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config LEDS_COBALT_QUBE
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tristate "LED Support for the Cobalt Qube series front LED"
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depends on LEDS_CLASS && MIPS_COBALT
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depends on MIPS_COBALT
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help
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This option enables support for the front LED on Cobalt Qube series
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@ -105,7 +107,7 @@ config LEDS_COBALT_RAQ
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config LEDS_SUNFIRE
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tristate "LED support for SunFire servers."
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depends on LEDS_CLASS && SPARC64
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depends on SPARC64
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select LEDS_TRIGGERS
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help
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This option enables support for the Left, Middle, and Right
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@ -113,14 +115,14 @@ config LEDS_SUNFIRE
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config LEDS_HP6XX
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tristate "LED Support for the HP Jornada 6xx"
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depends on LEDS_CLASS && SH_HP6XX
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depends on SH_HP6XX
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help
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This option enables LED support for the handheld
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HP Jornada 620/660/680/690.
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config LEDS_PCA9532
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tristate "LED driver for PCA9532 dimmer"
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depends on LEDS_CLASS && I2C && INPUT && EXPERIMENTAL
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depends on I2C && INPUT && EXPERIMENTAL
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help
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This option enables support for NXP pca9532
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LED controller. It is generally only useful
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@ -128,7 +130,7 @@ config LEDS_PCA9532
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config LEDS_GPIO
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tristate "LED Support for GPIO connected LEDs"
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depends on LEDS_CLASS && GENERIC_GPIO
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depends on GENERIC_GPIO
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help
|
||||
This option enables support for the LEDs connected to GPIO
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outputs. To be useful the particular board must have LEDs
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@ -155,7 +157,7 @@ config LEDS_GPIO_OF
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config LEDS_LP3944
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tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
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depends on LEDS_CLASS && I2C
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depends on I2C
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||||
help
|
||||
This option enables support for LEDs connected to the National
|
||||
Semiconductor LP3944 Lighting Management Unit (LMU) also known as
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@ -166,7 +168,7 @@ config LEDS_LP3944
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config LEDS_CLEVO_MAIL
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tristate "Mail LED on Clevo notebook"
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depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI
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depends on X86 && SERIO_I8042 && DMI
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help
|
||||
This driver makes the mail LED accessible from userspace
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||||
programs through the leds subsystem. This LED have three
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@ -196,7 +198,7 @@ config LEDS_CLEVO_MAIL
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config LEDS_PCA955X
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tristate "LED Support for PCA955x I2C chips"
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depends on LEDS_CLASS && I2C
|
||||
depends on I2C
|
||||
help
|
||||
This option enables support for LEDs connected to PCA955x
|
||||
LED driver chips accessed via the I2C bus. Supported
|
||||
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@ -204,54 +206,54 @@ config LEDS_PCA955X
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config LEDS_WM831X_STATUS
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||||
tristate "LED support for status LEDs on WM831x PMICs"
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depends on LEDS_CLASS && MFD_WM831X
|
||||
depends on MFD_WM831X
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||||
help
|
||||
This option enables support for the status LEDs of the WM831x
|
||||
series of PMICs.
|
||||
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||||
config LEDS_WM8350
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tristate "LED Support for WM8350 AudioPlus PMIC"
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||||
depends on LEDS_CLASS && MFD_WM8350
|
||||
depends on MFD_WM8350
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||||
help
|
||||
This option enables support for LEDs driven by the Wolfson
|
||||
Microelectronics WM8350 AudioPlus PMIC.
|
||||
|
||||
config LEDS_DA903X
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||||
tristate "LED Support for DA9030/DA9034 PMIC"
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||||
depends on LEDS_CLASS && PMIC_DA903X
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||||
depends on PMIC_DA903X
|
||||
help
|
||||
This option enables support for on-chip LED drivers found
|
||||
on Dialog Semiconductor DA9030/DA9034 PMICs.
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||||
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||||
config LEDS_DAC124S085
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tristate "LED Support for DAC124S085 SPI DAC"
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||||
depends on LEDS_CLASS && SPI
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depends on SPI
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||||
help
|
||||
This option enables support for DAC124S085 SPI DAC from NatSemi,
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||||
which can be used to control up to four LEDs.
|
||||
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||||
config LEDS_PWM
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||||
tristate "PWM driven LED Support"
|
||||
depends on LEDS_CLASS && HAVE_PWM
|
||||
depends on HAVE_PWM
|
||||
help
|
||||
This option enables support for pwm driven LEDs
|
||||
|
||||
config LEDS_REGULATOR
|
||||
tristate "REGULATOR driven LED support"
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||||
depends on LEDS_CLASS && REGULATOR
|
||||
depends on REGULATOR
|
||||
help
|
||||
This option enables support for regulator driven LEDs.
|
||||
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||||
config LEDS_BD2802
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||||
tristate "LED driver for BD2802 RGB LED"
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||||
depends on LEDS_CLASS && I2C
|
||||
depends on I2C
|
||||
help
|
||||
This option enables support for BD2802GU RGB LED driver chips
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||||
accessed via the I2C bus.
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||||
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config LEDS_INTEL_SS4200
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tristate "LED driver for Intel NAS SS4200 series"
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depends on LEDS_CLASS && PCI && DMI
|
||||
depends on PCI && DMI
|
||||
help
|
||||
This option enables support for the Intel SS4200 series of
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||||
Network Attached Storage servers. You may control the hard
|
||||
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@ -260,7 +262,7 @@ config LEDS_INTEL_SS4200
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|||
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config LEDS_LT3593
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||||
tristate "LED driver for LT3593 controllers"
|
||||
depends on LEDS_CLASS && GENERIC_GPIO
|
||||
depends on GENERIC_GPIO
|
||||
help
|
||||
This option enables support for LEDs driven by a Linear Technology
|
||||
LT3593 controller. This controller uses a special one-wire pulse
|
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@ -268,7 +270,7 @@ config LEDS_LT3593
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config LEDS_ADP5520
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tristate "LED Support for ADP5520/ADP5501 PMIC"
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depends on LEDS_CLASS && PMIC_ADP5520
|
||||
depends on PMIC_ADP5520
|
||||
help
|
||||
This option enables support for on-chip LED drivers found
|
||||
on Analog Devices ADP5520/ADP5501 PMICs.
|
||||
|
|
@ -276,7 +278,12 @@ config LEDS_ADP5520
|
|||
To compile this driver as a module, choose M here: the module will
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be called leds-adp5520.
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comment "LED Triggers"
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config LEDS_DELL_NETBOOKS
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tristate "External LED on Dell Business Netbooks"
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depends on X86 && ACPI_WMI
|
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help
|
||||
This adds support for the Latitude 2100 and similar
|
||||
notebooks that have an external LED.
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||||
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config LEDS_TRIGGERS
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bool "LED Trigger support"
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@ -285,9 +292,12 @@ config LEDS_TRIGGERS
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These triggers allow kernel events to drive the LEDs and can
|
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be configured via sysfs. If unsure, say Y.
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if LEDS_TRIGGERS
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||||
comment "LED Triggers"
|
||||
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||||
config LEDS_TRIGGER_TIMER
|
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tristate "LED Timer Trigger"
|
||||
depends on LEDS_TRIGGERS
|
||||
help
|
||||
This allows LEDs to be controlled by a programmable timer
|
||||
via sysfs. Some LED hardware can be programmed to start
|
||||
|
|
@ -298,14 +308,13 @@ config LEDS_TRIGGER_TIMER
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|||
|
||||
config LEDS_TRIGGER_IDE_DISK
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bool "LED IDE Disk Trigger"
|
||||
depends on LEDS_TRIGGERS && IDE_GD_ATA
|
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depends on IDE_GD_ATA
|
||||
help
|
||||
This allows LEDs to be controlled by IDE disk activity.
|
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If unsure, say Y.
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config LEDS_TRIGGER_HEARTBEAT
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tristate "LED Heartbeat Trigger"
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depends on LEDS_TRIGGERS
|
||||
help
|
||||
This allows LEDs to be controlled by a CPU load average.
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The flash frequency is a hyperbolic function of the 1-minute
|
||||
|
|
@ -314,7 +323,6 @@ config LEDS_TRIGGER_HEARTBEAT
|
|||
|
||||
config LEDS_TRIGGER_BACKLIGHT
|
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tristate "LED backlight Trigger"
|
||||
depends on LEDS_TRIGGERS
|
||||
help
|
||||
This allows LEDs to be controlled as a backlight device: they
|
||||
turn off and on when the display is blanked and unblanked.
|
||||
|
|
@ -323,7 +331,6 @@ config LEDS_TRIGGER_BACKLIGHT
|
|||
|
||||
config LEDS_TRIGGER_GPIO
|
||||
tristate "LED GPIO Trigger"
|
||||
depends on LEDS_TRIGGERS
|
||||
depends on GPIOLIB
|
||||
help
|
||||
This allows LEDs to be controlled by gpio events. It's good
|
||||
|
|
@ -336,7 +343,6 @@ config LEDS_TRIGGER_GPIO
|
|||
|
||||
config LEDS_TRIGGER_DEFAULT_ON
|
||||
tristate "LED Default ON Trigger"
|
||||
depends on LEDS_TRIGGERS
|
||||
help
|
||||
This allows LEDs to be initialised in the ON state.
|
||||
If unsure, say Y.
|
||||
|
|
@ -344,4 +350,8 @@ config LEDS_TRIGGER_DEFAULT_ON
|
|||
comment "iptables trigger is under Netfilter config (LED target)"
|
||||
depends on LEDS_TRIGGERS
|
||||
|
||||
endif # LEDS_TRIGGERS
|
||||
|
||||
endif # LEDS_CLASS
|
||||
|
||||
endif # NEW_LEDS
|
||||
|
|
|
|||
|
|
@ -34,6 +34,7 @@ obj-$(CONFIG_LEDS_REGULATOR) += leds-regulator.o
|
|||
obj-$(CONFIG_LEDS_INTEL_SS4200) += leds-ss4200.o
|
||||
obj-$(CONFIG_LEDS_LT3593) += leds-lt3593.o
|
||||
obj-$(CONFIG_LEDS_ADP5520) += leds-adp5520.o
|
||||
obj-$(CONFIG_LEDS_DELL_NETBOOKS) += dell-led.o
|
||||
|
||||
# LED SPI Drivers
|
||||
obj-$(CONFIG_LEDS_DAC124S085) += leds-dac124s085.o
|
||||
|
|
|
|||
200
drivers/leds/dell-led.c
Normal file
200
drivers/leds/dell-led.c
Normal file
|
|
@ -0,0 +1,200 @@
|
|||
/*
|
||||
* dell_led.c - Dell LED Driver
|
||||
*
|
||||
* Copyright (C) 2010 Dell Inc.
|
||||
* Louis Davis <louis_davis@dell.com>
|
||||
* Jim Dailey <jim_dailey@dell.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <linux/acpi.h>
|
||||
#include <linux/leds.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"
|
||||
MODULE_ALIAS("wmi:" DELL_LED_BIOS_GUID);
|
||||
|
||||
/* Error Result Codes: */
|
||||
#define INVALID_DEVICE_ID 250
|
||||
#define INVALID_PARAMETER 251
|
||||
#define INVALID_BUFFER 252
|
||||
#define INTERFACE_ERROR 253
|
||||
#define UNSUPPORTED_COMMAND 254
|
||||
#define UNSPECIFIED_ERROR 255
|
||||
|
||||
/* Device ID */
|
||||
#define DEVICE_ID_PANEL_BACK 1
|
||||
|
||||
/* LED Commands */
|
||||
#define CMD_LED_ON 16
|
||||
#define CMD_LED_OFF 17
|
||||
#define CMD_LED_BLINK 18
|
||||
|
||||
struct bios_args {
|
||||
unsigned char length;
|
||||
unsigned char result_code;
|
||||
unsigned char device_id;
|
||||
unsigned char command;
|
||||
unsigned char on_time;
|
||||
unsigned char off_time;
|
||||
};
|
||||
|
||||
static int dell_led_perform_fn(u8 length,
|
||||
u8 result_code,
|
||||
u8 device_id,
|
||||
u8 command,
|
||||
u8 on_time,
|
||||
u8 off_time)
|
||||
{
|
||||
struct bios_args *bios_return;
|
||||
u8 return_code;
|
||||
union acpi_object *obj;
|
||||
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
|
||||
struct acpi_buffer input;
|
||||
acpi_status status;
|
||||
|
||||
struct bios_args args;
|
||||
args.length = length;
|
||||
args.result_code = result_code;
|
||||
args.device_id = device_id;
|
||||
args.command = command;
|
||||
args.on_time = on_time;
|
||||
args.off_time = off_time;
|
||||
|
||||
input.length = sizeof(struct bios_args);
|
||||
input.pointer = &args;
|
||||
|
||||
status = wmi_evaluate_method(DELL_LED_BIOS_GUID,
|
||||
1,
|
||||
1,
|
||||
&input,
|
||||
&output);
|
||||
|
||||
if (ACPI_FAILURE(status))
|
||||
return status;
|
||||
|
||||
obj = output.pointer;
|
||||
|
||||
if (!obj)
|
||||
return -EINVAL;
|
||||
else if (obj->type != ACPI_TYPE_BUFFER) {
|
||||
kfree(obj);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
bios_return = ((struct bios_args *)obj->buffer.pointer);
|
||||
return_code = bios_return->result_code;
|
||||
|
||||
kfree(obj);
|
||||
|
||||
return return_code;
|
||||
}
|
||||
|
||||
static int led_on(void)
|
||||
{
|
||||
return dell_led_perform_fn(3, /* Length of command */
|
||||
INTERFACE_ERROR, /* Init to INTERFACE_ERROR */
|
||||
DEVICE_ID_PANEL_BACK, /* Device ID */
|
||||
CMD_LED_ON, /* Command */
|
||||
0, /* not used */
|
||||
0); /* not used */
|
||||
}
|
||||
|
||||
static int led_off(void)
|
||||
{
|
||||
return dell_led_perform_fn(3, /* Length of command */
|
||||
INTERFACE_ERROR, /* Init to INTERFACE_ERROR */
|
||||
DEVICE_ID_PANEL_BACK, /* Device ID */
|
||||
CMD_LED_OFF, /* Command */
|
||||
0, /* not used */
|
||||
0); /* not used */
|
||||
}
|
||||
|
||||
static int led_blink(unsigned char on_eighths,
|
||||
unsigned char off_eighths)
|
||||
{
|
||||
return dell_led_perform_fn(5, /* Length of command */
|
||||
INTERFACE_ERROR, /* Init to INTERFACE_ERROR */
|
||||
DEVICE_ID_PANEL_BACK, /* Device ID */
|
||||
CMD_LED_BLINK, /* Command */
|
||||
on_eighths, /* blink on in eigths of a second */
|
||||
off_eighths); /* blink off in eights of a second */
|
||||
}
|
||||
|
||||
static void dell_led_set(struct led_classdev *led_cdev,
|
||||
enum led_brightness value)
|
||||
{
|
||||
if (value == LED_OFF)
|
||||
led_off();
|
||||
else
|
||||
led_on();
|
||||
}
|
||||
|
||||
static int dell_led_blink(struct led_classdev *led_cdev,
|
||||
unsigned long *delay_on,
|
||||
unsigned long *delay_off)
|
||||
{
|
||||
unsigned long on_eighths;
|
||||
unsigned long off_eighths;
|
||||
|
||||
/* The Dell LED delay is based on 125ms intervals.
|
||||
Need to round up to next interval. */
|
||||
|
||||
on_eighths = (*delay_on + 124) / 125;
|
||||
if (0 == on_eighths)
|
||||
on_eighths = 1;
|
||||
if (on_eighths > 255)
|
||||
on_eighths = 255;
|
||||
*delay_on = on_eighths * 125;
|
||||
|
||||
off_eighths = (*delay_off + 124) / 125;
|
||||
if (0 == off_eighths)
|
||||
off_eighths = 1;
|
||||
if (off_eighths > 255)
|
||||
off_eighths = 255;
|
||||
*delay_off = off_eighths * 125;
|
||||
|
||||
led_blink(on_eighths, off_eighths);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct led_classdev dell_led = {
|
||||
.name = "dell::lid",
|
||||
.brightness = LED_OFF,
|
||||
.max_brightness = 1,
|
||||
.brightness_set = dell_led_set,
|
||||
.blink_set = dell_led_blink,
|
||||
.flags = LED_CORE_SUSPENDRESUME,
|
||||
};
|
||||
|
||||
static int __init dell_led_init(void)
|
||||
{
|
||||
int error = 0;
|
||||
|
||||
if (!wmi_has_guid(DELL_LED_BIOS_GUID))
|
||||
return -ENODEV;
|
||||
|
||||
error = led_off();
|
||||
if (error != 0)
|
||||
return -ENODEV;
|
||||
|
||||
return led_classdev_register(NULL, &dell_led);
|
||||
}
|
||||
|
||||
static void __exit dell_led_exit(void)
|
||||
{
|
||||
led_classdev_unregister(&dell_led);
|
||||
|
||||
led_off();
|
||||
}
|
||||
|
||||
module_init(dell_led_init);
|
||||
module_exit(dell_led_exit);
|
||||
|
|
@ -72,11 +72,14 @@ static ssize_t led_max_brightness_show(struct device *dev,
|
|||
return sprintf(buf, "%u\n", led_cdev->max_brightness);
|
||||
}
|
||||
|
||||
static DEVICE_ATTR(brightness, 0644, led_brightness_show, led_brightness_store);
|
||||
static DEVICE_ATTR(max_brightness, 0444, led_max_brightness_show, NULL);
|
||||
static struct device_attribute led_class_attrs[] = {
|
||||
__ATTR(brightness, 0644, led_brightness_show, led_brightness_store),
|
||||
__ATTR(max_brightness, 0644, led_max_brightness_show, NULL),
|
||||
#ifdef CONFIG_LEDS_TRIGGERS
|
||||
static DEVICE_ATTR(trigger, 0644, led_trigger_show, led_trigger_store);
|
||||
__ATTR(trigger, 0644, led_trigger_show, led_trigger_store),
|
||||
#endif
|
||||
__ATTR_NULL,
|
||||
};
|
||||
|
||||
/**
|
||||
* led_classdev_suspend - suspend an led_classdev.
|
||||
|
|
@ -127,18 +130,11 @@ static int led_resume(struct device *dev)
|
|||
*/
|
||||
int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
|
||||
{
|
||||
int rc;
|
||||
|
||||
led_cdev->dev = device_create(leds_class, parent, 0, led_cdev,
|
||||
"%s", led_cdev->name);
|
||||
if (IS_ERR(led_cdev->dev))
|
||||
return PTR_ERR(led_cdev->dev);
|
||||
|
||||
/* register the attributes */
|
||||
rc = device_create_file(led_cdev->dev, &dev_attr_brightness);
|
||||
if (rc)
|
||||
goto err_out;
|
||||
|
||||
#ifdef CONFIG_LEDS_TRIGGERS
|
||||
init_rwsem(&led_cdev->trigger_lock);
|
||||
#endif
|
||||
|
|
@ -150,36 +146,18 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
|
|||
if (!led_cdev->max_brightness)
|
||||
led_cdev->max_brightness = LED_FULL;
|
||||
|
||||
rc = device_create_file(led_cdev->dev, &dev_attr_max_brightness);
|
||||
if (rc)
|
||||
goto err_out_attr_max;
|
||||
|
||||
led_update_brightness(led_cdev);
|
||||
|
||||
#ifdef CONFIG_LEDS_TRIGGERS
|
||||
rc = device_create_file(led_cdev->dev, &dev_attr_trigger);
|
||||
if (rc)
|
||||
goto err_out_led_list;
|
||||
|
||||
led_trigger_set_default(led_cdev);
|
||||
#endif
|
||||
|
||||
printk(KERN_INFO "Registered led device: %s\n",
|
||||
printk(KERN_DEBUG "Registered led device: %s\n",
|
||||
led_cdev->name);
|
||||
|
||||
return 0;
|
||||
|
||||
#ifdef CONFIG_LEDS_TRIGGERS
|
||||
err_out_led_list:
|
||||
device_remove_file(led_cdev->dev, &dev_attr_max_brightness);
|
||||
#endif
|
||||
err_out_attr_max:
|
||||
device_remove_file(led_cdev->dev, &dev_attr_brightness);
|
||||
list_del(&led_cdev->node);
|
||||
err_out:
|
||||
device_unregister(led_cdev->dev);
|
||||
return rc;
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL_GPL(led_classdev_register);
|
||||
|
||||
/**
|
||||
|
|
@ -190,10 +168,7 @@ EXPORT_SYMBOL_GPL(led_classdev_register);
|
|||
*/
|
||||
void led_classdev_unregister(struct led_classdev *led_cdev)
|
||||
{
|
||||
device_remove_file(led_cdev->dev, &dev_attr_max_brightness);
|
||||
device_remove_file(led_cdev->dev, &dev_attr_brightness);
|
||||
#ifdef CONFIG_LEDS_TRIGGERS
|
||||
device_remove_file(led_cdev->dev, &dev_attr_trigger);
|
||||
down_write(&led_cdev->trigger_lock);
|
||||
if (led_cdev->trigger)
|
||||
led_trigger_set(led_cdev, NULL);
|
||||
|
|
@ -215,6 +190,7 @@ static int __init leds_init(void)
|
|||
return PTR_ERR(leds_class);
|
||||
leds_class->suspend = led_suspend;
|
||||
leds_class->resume = led_resume;
|
||||
leds_class->dev_attrs = led_class_attrs;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -211,7 +211,6 @@ static int __devinit of_gpio_leds_probe(struct of_device *ofdev,
|
|||
const struct of_device_id *match)
|
||||
{
|
||||
struct device_node *np = ofdev->node, *child;
|
||||
struct gpio_led led;
|
||||
struct gpio_led_of_platform_data *pdata;
|
||||
int count = 0, ret;
|
||||
|
||||
|
|
@ -226,8 +225,8 @@ static int __devinit of_gpio_leds_probe(struct of_device *ofdev,
|
|||
if (!pdata)
|
||||
return -ENOMEM;
|
||||
|
||||
memset(&led, 0, sizeof(led));
|
||||
for_each_child_of_node(np, child) {
|
||||
struct gpio_led led = {};
|
||||
enum of_gpio_flags flags;
|
||||
const char *state;
|
||||
|
||||
|
|
|
|||
|
|
@ -63,7 +63,7 @@ MODULE_LICENSE("GPL");
|
|||
/*
|
||||
* PCI ID of the Intel ICH7 LPC Device within which the GPIO block lives.
|
||||
*/
|
||||
static struct pci_device_id ich7_lpc_pci_id[] =
|
||||
static const struct pci_device_id ich7_lpc_pci_id[] =
|
||||
{
|
||||
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0) },
|
||||
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1) },
|
||||
|
|
|
|||
Loading…
Reference in a new issue