linux-kernel - Re: [patch 0/1] Adding radio type FM

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Message-ID: <4fb5db50911131019x51b88cdevba3d61648b83143c@mail.gmail.com>
Date:	Fri, 13 Nov 2009 23:49:18 +0530
From:	Janakiram Sistla <janakiram.sistla@...il.com>
To:	Marcel Holtmann <marcel@...tmann.org>
Cc:	linux-wireless <linux-wireless@...r.kernel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 0/1] Adding radio type FM

Hi Marcel,

Let me know if this patch can go ahead...........and i can go ahead
with this in rfkill utility.......

Regards,
Ram.

On Fri, Nov 13, 2009 at 11:02 AM, Janakiram Sistla
<janakiram.sistla@...il.com> wrote:
> HI Marcel,
>
> Yes as pointed out i am pointing to Toshiba Satellite A305
> notebook.This has an FM key which enables FM.
>
> Regards,
> Ram.
> On 11/13/09, Marcel Holtmann <marcel@...tmann.org> wrote:
>> Hi Janakiram,
>>
>> > From 1b1493392faeb6702ff364447b135e481930b397 Mon Sep 17 00:00:00 2001
>> > From: Janakiram Sistla <janakiram.sistla@...il.com>
>> > Date: Fri, 13 Nov 2009 08:16:26 +0530
>> > Subject: [PATCH 1/1] Adding radio type FM
>> >
>> > Adding radio type FM in RFKILL_TYPE_.FM also belongs to
>> > same class of with both TX/RX capability.
>> > Also Added input type for the above same.
>> >
>> > Signed-off-by: Janakiram Sistla <janakiram.sistla@...il.com>
>> > ---
>> >  include/linux/input.h  |    1 +
>> >  include/linux/rfkill.h |    1 +
>> >  net/rfkill/core.c      |    2 ++
>> >  net/rfkill/input.c     |    9 +++++++++
>> >  4 files changed, 13 insertions(+), 0 deletions(-)
>> >
>> > diff --git a/include/linux/input.h b/include/linux/input.h
>> > index 0ccfc30..f03ae90 100644
>> > --- a/include/linux/input.h
>> > +++ b/include/linux/input.h
>> > @@ -376,6 +376,7 @@ struct input_absinfo {
>> >  #define KEY_DISPLAY_OFF              245     /* display device to off state */
>> >
>> >  #define KEY_WIMAX            246
>> > +#define KEY_FM                       247
>> >
>> >  /* Range 248 - 255 is reserved for special needs of AT keyboard driver */
>> >
>> > diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
>> > index 3392c59..03f5598 100644
>> > --- a/include/linux/rfkill.h
>> > +++ b/include/linux/rfkill.h
>> > @@ -45,6 +45,7 @@ enum rfkill_type {
>> >       RFKILL_TYPE_WIMAX,
>> >       RFKILL_TYPE_WWAN,
>> >       RFKILL_TYPE_GPS,
>> > +     RFKILL_TYPE_FM,
>> >       NUM_RFKILL_TYPES,
>> >  };
>> >
>> > diff --git a/net/rfkill/core.c b/net/rfkill/core.c
>> > index ba2efb9..b8ac206 100644
>> > --- a/net/rfkill/core.c
>> > +++ b/net/rfkill/core.c
>> > @@ -592,6 +592,8 @@ static const char *rfkill_get_type_str(enum
>> > rfkill_type type)
>> >               return "wwan";
>> >       case RFKILL_TYPE_GPS:
>> >               return "gps";
>> > +     case RRFKILL_TYPE_FM:
>> > +             return "fm";
>> >       default:
>> >               BUG();
>> >       }
>>
>> this part is fine with me.
>>
>> > diff --git a/net/rfkill/input.c b/net/rfkill/input.c
>> > index a7295ad..f51b16d 100644
>> > --- a/net/rfkill/input.c
>> > +++ b/net/rfkill/input.c
>> > @@ -212,6 +212,9 @@ static void rfkill_event(struct input_handle
>> > *handle, unsigned int type,
>> >               case KEY_WIMAX:
>> >                       rfkill_schedule_toggle(RFKILL_TYPE_WIMAX);
>> >                       break;
>> > +             case KEY_FM:
>> > +                     rfkill_schedule_toggle(RFKILL_TYPE_FM);
>> > +                     break;
>> >               }
>> >       } else if (type == EV_SW && code == SW_RFKILL_ALL)
>> >               rfkill_schedule_evsw_rfkillall(data);
>> > @@ -290,6 +293,12 @@ static const struct input_device_id rfkill_ids[] = {
>> >               .keybit = { [BIT_WORD(KEY_UWB)] = BIT_MASK(KEY_UWB) },
>> >       },
>> >       {
>> > +             .flags = INPUT_DEVICE_ID_MATCH_EVBIT |
>> > +                             INPUT_DEVICE_ID_MATCH_KEYBIT,
>> > +             .evbit = { BIT_MASK(EV_KEY) },
>> > +             .keybit = { [BIT_WORD(KEY_UWB)] = BIT_MASK(KEY_UWB) },
>> > +     },
>> > +     {
>> >               .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
>> >               .evbit = { BIT_MASK(EV_KEY) },
>> >               .keybit = { [BIT_WORD(KEY_WIMAX)] = BIT_MASK(KEY_WIMAX) },
>>
>> So besides the pointed of the copy-and-paste mistake, I don't think we
>> should be doing this. Unless you point me to hardware that actually has
>> a physical RFKILL button for FM. We also didn't add key define for GPS
>> since there is no hardware that has this.
>>
>> If you think you need this for some weird handling then go one step back
>> and read the re-written RFKILL subsystem design.
>>
>> Regards
>>
>> Marcel
>>
>>
>>
>
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