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Date:   Fri, 7 Apr 2023 10:11:03 -0700
From:   Bjorn Andersson <andersson@kernel.org>
To:     Gergo Koteles <soyer@irl.hu>,
        Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc:     Jonathan Corbet <corbet@lwn.net>, Andy Gross <agross@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Jiri Kosina <jikos@kernel.org>,
        Benjamin Tissoires <benjamin.tissoires@redhat.com>,
        linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        Caleb Connolly <caleb@connolly.tech>
Subject: Re: [PATCH v4 2/3] Input: add ABS_SND_PROFILE
Message-ID: <20230407171103.5jf46g4hw3fed7dn@ripper>
References: <cover.1677022414.git.soyer@irl.hu>
 <1a4752739568afbdbaaff48436d2bb595d2bda0d.1677022414.git.soyer@irl.hu>
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On Wed, Feb 22, 2023 at 01:10:33AM +0100, Gergo Koteles wrote:
> ABS_SND_PROFILE used to describe the state of a multi-value sound profile
> switch. This will be used for the alert-slider on OnePlus phones or other
> phones.
> 
> Profile values added as SND_PROFLE_(SILENT|VIBRATE|RING) identifiers
> to input-event-codes.h so they can be used from DTS.
> 
> Signed-off-by: Gergo Koteles <soyer@irl.hu>
> ---
>  Documentation/input/event-codes.rst    | 6 ++++++
>  drivers/hid/hid-debug.c                | 1 +
>  include/uapi/linux/input-event-codes.h | 9 +++++++++
>  3 files changed, 16 insertions(+)
> 
> diff --git a/Documentation/input/event-codes.rst b/Documentation/input/event-codes.rst
> index b4557462edd7..d43336e64d6a 100644
> --- a/Documentation/input/event-codes.rst
> +++ b/Documentation/input/event-codes.rst
> @@ -241,6 +241,12 @@ A few EV_ABS codes have special meanings:
>      emitted only when the selected profile changes, indicating the newly
>      selected profile value.
>  
> +* ABS_SND_PROFILE:
> +
> +  - Used to describe the state of a multi-value sound profile switch.
> +    An event is emitted only when the selected profile changes,
> +    indicating the newly selected profile value.
> +
>  * ABS_MT_<name>:
>  
>    - Used to describe multitouch input events. Please see
> diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
> index e213bdde543a..76fb2ecbbc51 100644
> --- a/drivers/hid/hid-debug.c
> +++ b/drivers/hid/hid-debug.c
> @@ -1018,6 +1018,7 @@ static const char *absolutes[ABS_CNT] = {
>  	[ABS_DISTANCE] = "Distance",	[ABS_TILT_X] = "XTilt",
>  	[ABS_TILT_Y] = "YTilt",		[ABS_TOOL_WIDTH] = "ToolWidth",
>  	[ABS_VOLUME] = "Volume",	[ABS_PROFILE] = "Profile",
> +	[ABS_SND_PROFILE] = "SoundProfile",
>  	[ABS_MISC] = "Misc",
>  	[ABS_MT_TOUCH_MAJOR] = "MTMajor",
>  	[ABS_MT_TOUCH_MINOR] = "MTMinor",
> diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h
> index 022a520e31fc..e8d5ee027b40 100644
> --- a/include/uapi/linux/input-event-codes.h
> +++ b/include/uapi/linux/input-event-codes.h
> @@ -866,6 +866,7 @@
>  
>  #define ABS_VOLUME		0x20
>  #define ABS_PROFILE		0x21
> +#define ABS_SND_PROFILE		0x22
>  
>  #define ABS_MISC		0x28
>  
> @@ -974,4 +975,12 @@
>  #define SND_MAX			0x07
>  #define SND_CNT			(SND_MAX+1)
>  
> +/*
> + * ABS_SND_PROFILE values
> + */
> +
> +#define SND_PROFILE_SILENT	0x00
> +#define SND_PROFILE_VIBRATE	0x01
> +#define SND_PROFILE_RING	0x02

The patch looks good to me, bu I'd need these header file additions in
order to merge the dts patch. Could I get an ack and take it through the
Qualocmm tree, or could you pick it up for 6.4, and then I can merge the
dts change after that?

Regards,
Bjorn

> +
>  #endif
> -- 
> 2.39.2
>