Re: [lm-sensors] [PATCH 1/4] Let Kconfig handle lis3lv02d

* Re: [lm-sensors] [PATCH 1/4] Let Kconfig handle lis3lv02d
@ 2011-02-19 18:22 Guenter Roeck
  2011-02-19 19:15 ` Jean Delvare
  2011-02-19 20:46 ` Guenter Roeck
  0 siblings, 2 replies; 3+ messages in thread
From: Guenter Roeck @ 2011-02-19 18:22 UTC (permalink / raw)
  To: lm-sensors

On Sat, Feb 19, 2011 at 08:22:57AM -0500, Jean Delvare wrote:
> From: Jean Delvare <khali@linux-fr.org>
> Subject: Let Kconfig handle lis3lv02d dependencies
> 
> The dependencies between the various lis3lv02d drivers make it
> impossible to split them to different directories, while we really
> want to do this. Move handling of dependencies from Makefile to
> Kconfig, to make the move possible at all.
> 
> Signed-off-by: Jean Delvare <khali@linux-fr.org>
> Cc: Eric Piel <eric.piel@tremplin-utc.net>
> Cc: Guenter Roeck <guenter.roeck@ericsson.com>
> ---
> Not tested due to lack of hardware.
> 
>  drivers/hwmon/Kconfig  |   43 +++++++++++++++++++------------------------
>  drivers/hwmon/Makefile |    9 ++++++---
>  2 files changed, 25 insertions(+), 27 deletions(-)
> 
> --- linux-2.6.38-rc5.orig/drivers/hwmon/Kconfig	2011-02-18 18:22:24.000000000 +0100
> +++ linux-2.6.38-rc5/drivers/hwmon/Kconfig	2011-02-19 13:46:58.000000000 +0100
> @@ -2,6 +2,12 @@
>  # Hardware monitoring chip drivers configuration
>  #
>  
> +config SENSORS_LIS3LV02D
> +	tristate
> +	depends on INPUT
> +	select INPUT_POLLDEV
> +	default n
> +
>  menuconfig HWMON
>  	tristate "Hardware Monitoring support"
>  	depends on HAS_IOMEM
> @@ -1139,7 +1145,7 @@ config SENSORS_ULTRA45
>  config SENSORS_LIS3_SPI
>  	tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer (SPI)"
>  	depends on !ACPI && SPI_MASTER && INPUT
> -	select INPUT_POLLDEV
> +	select SENSORS_LIS3LV02D
>  	default n
>  	help
>  	  This driver provides support for the LIS3LV02Dx accelerometer connected
> @@ -1156,7 +1162,7 @@ config SENSORS_LIS3_SPI
>  config SENSORS_LIS3_I2C
>  	tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer (I2C)"
>  	depends on I2C && INPUT
> -	select INPUT_POLLDEV
> +	select SENSORS_LIS3LV02D
>  	default n
>  	help
>  	  This driver provides support for the LIS3LV02Dx accelerometer connected
> @@ -1217,35 +1223,24 @@ config SENSORS_ATK0110
>  	  This driver can also be built as a module. If so, the module
>  	  will be called asus_atk0110.
>  
> -config SENSORS_LIS3LV02D
> -	tristate "STMicroeletronics LIS3* three-axis digital accelerometer"
> +config HP_ACCEL
> +	tristate "HP laptop accelerometer"
>  	depends on INPUT
> -	select INPUT_POLLDEV
> +	select SENSORS_LIS3LV02D
>  	select NEW_LEDS
>  	select LEDS_CLASS
>  	default n
>  	help
> -	  This driver provides support for the LIS3* accelerometers, such as the
> -	  LIS3LV02DL or the LIS331DL. In particular, it can be found in a number
> -	  of HP laptops, which have the "Mobile Data Protection System 3D" or
> -	  "3D DriveGuard" feature. On such systems the driver should load
> -	  automatically (via ACPI alias). The accelerometer might also be found
> -	  in other systems, connected via SPI or I2C. The accelerometer data is
> -	  readable via /sys/devices/platform/lis3lv02d.
> -
> -	  This driver also provides an absolute input class device, allowing
> -	  a laptop to act as a pinball machine-esque joystick. It provides also
> -	  a misc device which can be used to detect free-fall. On HP laptops,
> -	  if the led infrastructure is activated, support for a led indicating
> -	  disk protection will be provided as hp::hddprotect. For more
> -	  information on the feature, refer to Documentation/hwmon/lis3lv02d.
> +	  This driver provides support for the "Mobile Data Protection System 3D"
> +	  or "3D DriveGuard" feature of HP laptops. On such systems the driver
> +	  should load automatically (via ACPI alias).
>  
> -	  This driver can also be built as modules.  If so, the core module
> -	  will be called lis3lv02d and a specific module for HP laptops will be
> -	  called hp_accel.
> +	  Support for a led indicating disk protection will be provided as
> +	  hp::hddprotect. For more information on the feature, refer to
> +	  Documentation/hwmon/lis3lv02d.
>  
> -	  Say Y here if you have an applicable laptop and want to experience
> -	  the awesome power of lis3lv02d.
> +	  To compile this driver as a module, choose M here: the module will
> +	  be called hp_accel.
>  
>  endif # ACPI
>  
Looks good, only I wonder if there would be a means to specify that only one of 
SENSORS_LIS3_SPI, SENSORS_LIS3_I2C, or HP_ACCEL is valid at any given time.

Guenter

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