Re: [PATCH] Input: synaptics-rmi4 - use Kconfig "if" to express dependency

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On Tue, Dec 27, 2016 at 11:47:04AM -0800, Dmitry Torokhov wrote:
> There is no need to repeat "depends on RMI4_CORE" on every bit of RMI4
> support, we can guard all of them at once with "if RMI4_CORE".
> 
> Also use tabs for F03 indentation.
> 
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> 
> This depends on RMI4 F03 build fix I sent a few minutes ago.
> 
>  drivers/input/rmi4/Kconfig | 28 ++++++++++++----------------
>  1 file changed, 12 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/input/rmi4/Kconfig b/drivers/input/rmi4/Kconfig
> index 8993983..78a78b9 100644
> --- a/drivers/input/rmi4/Kconfig
> +++ b/drivers/input/rmi4/Kconfig
> @@ -9,9 +9,11 @@ config RMI4_CORE
>  
>  	  If unsure, say Y.
>  
> +if RMI4_CORE
> +
>  config RMI4_I2C
>  	tristate "RMI4 I2C Support"
> -	depends on RMI4_CORE && I2C
> +	depends on I2C
>  	help
>  	  Say Y here if you want to support RMI4 devices connected to an I2C
>  	  bus.
> @@ -20,7 +22,7 @@ config RMI4_I2C
>  
>  config RMI4_SPI
>  	tristate "RMI4 SPI Support"
> -	depends on RMI4_CORE && SPI
> +	depends on SPI
>  	help
>  	  Say Y here if you want to support RMI4 devices connected to a SPI
>  	  bus.
> @@ -29,7 +31,7 @@ config RMI4_SPI
>  
>  config RMI4_SMB
>  	tristate "RMI4 SMB Support"
> -	depends on RMI4_CORE && I2C
> +	depends on I2C
>  	help
>  	  Say Y here if you want to support RMI4 devices connected to an SMB
>  	  bus.
> @@ -40,23 +42,20 @@ config RMI4_SMB
>  	  called rmi_smbus.
>  
>  config RMI4_F03
> -        bool "RMI4 Function 03 (PS2 Guest)"
> -	depends on RMI4_CORE
> +	bool "RMI4 Function 03 (PS2 Guest)"
>  	depends on SERIO=y || RMI4_CORE=SERIO
> -        help
> -          Say Y here if you want to add support for RMI4 function 03.
> +	help
> +	  Say Y here if you want to add support for RMI4 function 03.
>  
> -          Function 03 provides PS2 guest support for RMI4 devices. This
> -          includes support for TrackPoints on TouchPads.
> +	  Function 03 provides PS2 guest support for RMI4 devices. This
> +	  includes support for TrackPoints on TouchPads.
>  
>  config RMI4_2D_SENSOR
>  	bool
> -	depends on RMI4_CORE
>  
>  config RMI4_F11
>  	bool "RMI4 Function 11 (2D pointing)"
>  	select RMI4_2D_SENSOR
> -	depends on RMI4_CORE
>  	help
>  	  Say Y here if you want to add support for RMI4 function 11.
>  
> @@ -67,7 +66,6 @@ config RMI4_F11
>  config RMI4_F12
>  	bool "RMI4 Function 12 (2D pointing)"
>  	select RMI4_2D_SENSOR
> -	depends on RMI4_CORE
>  	help
>  	  Say Y here if you want to add support for RMI4 function 12.
>  
> @@ -77,7 +75,6 @@ config RMI4_F12
>  
>  config RMI4_F30
>  	bool "RMI4 Function 30 (GPIO LED)"
> -	depends on RMI4_CORE
>  	help
>  	  Say Y here if you want to add support for RMI4 function 30.
>  
> @@ -86,7 +83,6 @@ config RMI4_F30
>  
>  config RMI4_F34
>  	bool "RMI4 Function 34 (Device reflash)"
> -	depends on RMI4_CORE
>  	select FW_LOADER
>  	help
>  	  Say Y here if you want to add support for RMI4 function 34.
> @@ -97,7 +93,6 @@ config RMI4_F34
>  
>  config RMI4_F54
>  	bool "RMI4 Function 54 (Analog diagnostics)"
> -	depends on RMI4_CORE
>  	depends on VIDEO_V4L2=y || (RMI4_CORE=m && VIDEO_V4L2=m)
>  	select VIDEOBUF2_VMALLOC
>  	select RMI4_F55
> @@ -109,9 +104,10 @@ config RMI4_F54
>  
>  config RMI4_F55
>  	bool "RMI4 Function 55 (Sensor tuning)"
> -	depends on RMI4_CORE
>  	help
>  	  Say Y here if you want to add support for RMI4 function 55
>  
>  	  Function 55 provides access to the RMI4 touch sensor tuning
>  	  mechanism.
> +
> +endif # RMI_CORE
> -- 
> 2.8.0.rc3.226.g39d4020
> 
> 
> -- 
> Dmitry
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