linux-kernel - Re: [PATCH 6/8] rfkill: add the WWAN radio type

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Date:	Sat, 12 Apr 2008 12:36:45 +0200
From:	Ivo van Doorn <ivdoorn@...il.com>
To:	Henrique de Moraes Holschuh <hmh@....eng.br>
Cc:	linux-kernel@...r.kernel.org,
	Inaky Perez-Gonzalez <inaky@...ux.intel.com>,
	Iñaky Pérez-González 
	<inaky.perez-gonzalez@...el.com>,
	"John W. Linville" <linville@...driver.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH 6/8] rfkill: add the WWAN radio type

On Friday 11 April 2008, Henrique de Moraes Holschuh wrote:
> Unfortunately, instead of adding a generic Wireless WAN type, a technology-
> specific type (WiMAX) was added.  That's useless for other WWAN devices,
> such as EDGE, UMTS, X-RTT and other such radios.

Then perhaps we should replace WiMAX with the WWAN type?

> Add a WWAN rfkill type for generic wireless WAN devices.  No keys are added
> as most devices use KEY_RADIO for WWAN control and need no specific keycode
> added.

In the discussion around the WiMAX addition I do remember people wanted
it to have a seperate key code because it was "different technology". Wouldn't that
be the same for all WWAN technologies?
Aka, should the WiMAX keycode be changed to a WWAN keycode in input.h
and then be used for all WWAN rfkill switches?

Ivo

> Signed-off-by: Inaky Perez-Gonzalez <inaky@...ux.intel.com>
> Cc: Iñaky Pérez-González <inaky.perez-gonzalez@...el.com>
> Cc: Ivo van Doorn <IvDoorn@...il.com>
> Cc: John W. Linville <linville@...driver.com>
> Cc: David S. Miller <davem@...emloft.net>
> ---
>  include/linux/rfkill.h    |    2 ++
>  net/rfkill/rfkill-input.c |    5 +++++
>  net/rfkill/rfkill.c       |    3 +++
>  3 files changed, 10 insertions(+), 0 deletions(-)
> 
> diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
> index 931d32b..7650517 100644
> --- a/include/linux/rfkill.h
> +++ b/include/linux/rfkill.h
> @@ -34,12 +34,14 @@
>   * RFKILL_TYPE_BLUETOOTH: switch is on a bluetooth device.
>   * RFKILL_TYPE_UWB: switch is on a ultra wideband device.
>   * RFKILL_TYPE_WIMAX: switch is on a WiMAX device.
> + * RFKILL_TYPE_WWAN: switch is on a wireless WAN device.
>   */
>  enum rfkill_type {
>  	RFKILL_TYPE_WLAN ,
>  	RFKILL_TYPE_BLUETOOTH,
>  	RFKILL_TYPE_UWB,
>  	RFKILL_TYPE_WIMAX,
> +	RFKILL_TYPE_WWAN,
>  	RFKILL_TYPE_MAX,
>  };
>  
> diff --git a/net/rfkill/rfkill-input.c b/net/rfkill/rfkill-input.c
> index 7d1e520..675651b 100644
> --- a/net/rfkill/rfkill-input.c
> +++ b/net/rfkill/rfkill-input.c
> @@ -101,6 +101,7 @@ static DEFINE_RFKILL_TASK(rfkill_wlan, RFKILL_TYPE_WLAN);
>  static DEFINE_RFKILL_TASK(rfkill_bt, RFKILL_TYPE_BLUETOOTH);
>  static DEFINE_RFKILL_TASK(rfkill_uwb, RFKILL_TYPE_UWB);
>  static DEFINE_RFKILL_TASK(rfkill_wimax, RFKILL_TYPE_WIMAX);
> +static DEFINE_RFKILL_TASK(rfkill_wwan, RFKILL_TYPE_WIMAX);
>  
>  static void rfkill_event(struct input_handle *handle, unsigned int type,
>  			unsigned int code, int data)
> @@ -121,6 +122,7 @@ static void rfkill_event(struct input_handle *handle, unsigned int type,
>  			break;
>  		case KEY_RADIO:
>  			/* EVERY radio type */
> +			rfkill_schedule_toggle(&rfkill_wwan);
>  			rfkill_schedule_toggle(&rfkill_wimax);
>  			rfkill_schedule_toggle(&rfkill_uwb);
>  			rfkill_schedule_toggle(&rfkill_bt);
> @@ -133,6 +135,9 @@ static void rfkill_event(struct input_handle *handle, unsigned int type,
>  		switch (code) {
>  		case SW_RADIO:
>  			/* EVERY radio type. data != 0 means radios ON */
> +			rfkill_schedule_set(&rfkill_wwan,
> +					    (data)? RFKILL_STATE_ON:
> +						    RFKILL_STATE_OFF);
>  			rfkill_schedule_set(&rfkill_wimax,
>  					    (data)? RFKILL_STATE_ON:
>  						    RFKILL_STATE_OFF);
> diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
> index d149d94..56241a4 100644
> --- a/net/rfkill/rfkill.c
> +++ b/net/rfkill/rfkill.c
> @@ -171,6 +171,9 @@ static ssize_t rfkill_type_show(struct device *dev,
>  	case RFKILL_TYPE_WIMAX:
>  		type = "wimax";
>  		break;
> +	case RFKILL_TYPE_WWAN:
> +		type = "wwan";
> +		break;
>  	default:
>  		BUG();
>  	}


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