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SubjectRe: [patch 0/1] Adding radio type FM
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Hi Julian,

please stop CCing majordomo@vger.kernel.org since that one is not a
mailing list.

> <janakiram.sistla@gmail.com> wrote:
> > Resending with added comments from John.
> > From 1b1493392faeb6702ff364447b135e481930b397 Mon Sep 17 00:00:00 2001
> > From: Janakiram Sistla <janakiram.sistla@gmail.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@gmail.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();
> > }
> > 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_FM)] = BIT_MASK(KEY_UWB) },
>
> Surely both instances of KEY_UWB should be changed.

which makes it even more clearly that this code path has never been
tested. So lets leave this KEY_FM business out and just submit the
RFKILL additions.

You don't need to emulate a key event to use RFKILL anyway. The new
RFKILL subsystem supports /dev/rfkill and there is the rfkill userspace
utility. Which you wanna send a patch to extend it with FM support.

Regards

Marcel




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