On Tue, 6 Jul 2021, Benjamin Tissoires wrote:
> > A lot of USBHID headsets available on the market have LEDs that indicate
> > ringing and off-hook states when used with VoIP applications. This
> > commit exposes these LEDs via the standard sysfs interface.
> >
> > Signed-off-by: Maxim Mikityanskiy <maxtram95@xxxxxxxxx>
> > ---
> > drivers/hid/hid-input.c | 2 ++
> > drivers/input/input-leds.c | 2 ++
> > include/uapi/linux/input-event-codes.h | 2 ++
> > 3 files changed, 6 insertions(+)
> >
> > diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
> > index 4286a51f7f16..44b8243f9924 100644
> > --- a/drivers/hid/hid-input.c
> > +++ b/drivers/hid/hid-input.c
> > @@ -798,6 +798,8 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
> > case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
> > case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
> > case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
> > + case 0x17: map_led (LED_OFFHOOK); break; /* "Off-Hook" */
> > + case 0x18: map_led (LED_RING); break; /* "Ring" */
> >
> > default: goto ignore;
> > }
> > diff --git a/drivers/input/input-leds.c b/drivers/input/input-leds.c
> > index 0b11990ade46..bc6e25b9af25 100644
> > --- a/drivers/input/input-leds.c
> > +++ b/drivers/input/input-leds.c
> > @@ -33,6 +33,8 @@ static const struct {
> > [LED_MISC] = { "misc" },
> > [LED_MAIL] = { "mail" },
> > [LED_CHARGING] = { "charging" },
> > + [LED_OFFHOOK] = { "offhook" },
>
> I am pretty sure this also needs to be reviewed by the led folks.
> Adding them in Cc.
Can we please get Ack from the LED maintainers? Thanks.
>
> Cheers,
> Benjamin
>
> > + [LED_RING] = { "ring" },
> > };
> >
> > struct input_led {
> > diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
> > index 225ec87d4f22..dd785a5b5076 100644
> > --- a/include/uapi/linux/input-event-codes.h
> > +++ b/include/uapi/linux/input-event-codes.h
> > @@ -925,6 +925,8 @@
> > #define LED_MISC 0x08
> > #define LED_MAIL 0x09
> > #define LED_CHARGING 0x0a
> > +#define LED_OFFHOOK 0x0b
> > +#define LED_RING 0x0c
> > #define LED_MAX 0x0f
> > #define LED_CNT (LED_MAX+1)
> >
> > --
> > 2.32.0
> >
>
--
Jiri Kosina
SUSE Labs
