On Sat, Mar 25, 2017 at 07:49:41PM -0300, Mauro Carvalho Chehab wrote:
> Some mouses have a switch on their wheel, allowing to switch
> between ratchet or free wheel mode. Add support for it.
I understand the want to support it because it's there but what do you
expect this to be used for?
tbh, I wouldn't know what to do with this information, short of displaying
some OSD to inform the user. Which is rather superfluous since the physical
change will feel obvious anyway.
A Documentation/input/event-codes.txt hunk would be welcomed here too
btw.
Cheers,
Peter
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
> ---
> include/linux/mod_devicetable.h | 2 +-
> include/uapi/linux/input-event-codes.h | 4 +++-
> 2 files changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
> index 8a57f0b1242d..73534c591b40 100644
> --- a/include/linux/mod_devicetable.h
> +++ b/include/linux/mod_devicetable.h
> @@ -292,7 +292,7 @@ struct pcmcia_device_id {
> #define INPUT_DEVICE_ID_LED_MAX 0x0f
> #define INPUT_DEVICE_ID_SND_MAX 0x07
> #define INPUT_DEVICE_ID_FF_MAX 0x7f
> -#define INPUT_DEVICE_ID_SW_MAX 0x0f
> +#define INPUT_DEVICE_ID_SW_MAX 0x1f
>
> #define INPUT_DEVICE_ID_MATCH_BUS 1
> #define INPUT_DEVICE_ID_MATCH_VENDOR 2
> diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
> index 23b2d377af59..a3eafd0527f1 100644
> --- a/include/uapi/linux/input-event-codes.h
> +++ b/include/uapi/linux/input-event-codes.h
> @@ -782,7 +782,9 @@
> #define SW_LINEIN_INSERT 0x0d /* set = inserted */
> #define SW_MUTE_DEVICE 0x0e /* set = device disabled */
> #define SW_PEN_INSERTED 0x0f /* set = pen inserted */
> -#define SW_MAX 0x0f
> +#define SW_RATCHET 0x10 /* set = ratchet mode,
> + unset: free wheel */
> +#define SW_MAX 0x1f
> #define SW_CNT (SW_MAX+1)
>
> /*
> --
> 2.9.3
>
>
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