From: Alistair Francis <alistair@alistair23.me> To: s.hauer@pengutronix.de, shawnguo@kernel.org, dmitry.torokhov@gmail.com, benjamin.tissoires@redhat.com Cc: jikos@kernel.org, linux-kernel@vger.kernel.org, alistair23@gmail.com, linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org, Jason.Gerecke@wacom.com, linux-imx@nxp.com, Ping.Cheng@wacom.com, devicetree@vger.kernel.org, martin.chen@wacom.com, tatsunosuke.tobita@wacom.com, Alistair Francis <alistair@alistair23.me> Subject: [PATCH v16 1/3] HID: quirks: Allow inverting the absolute X/Y values Date: Wed, 8 Dec 2021 22:40:43 +1000 [thread overview] Message-ID: <20211208124045.61815-2-alistair@alistair23.me> (raw) In-Reply-To: <20211208124045.61815-1-alistair@alistair23.me> Add a HID_QUIRK_X_INVERT/HID_QUIRK_Y_INVERT quirk that can be used to invert the X/Y values. Signed-off-by: Alistair Francis <alistair@alistair23.me> --- drivers/hid/hid-input.c | 6 ++++++ include/linux/hid.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 217f2d1b91c5..83ee803186a1 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1331,6 +1331,12 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct input = field->hidinput->input; + if (usage->type == EV_ABS && + (((*quirks & HID_QUIRK_X_INVERT) && usage->code == ABS_X) || + ((*quirks & HID_QUIRK_Y_INVERT) && usage->code == ABS_Y))) { + value = field->logical_maximum - value; + } + if (usage->hat_min < usage->hat_max || usage->hat_dir) { int hat_dir = usage->hat_dir; if (!hat_dir) diff --git a/include/linux/hid.h b/include/linux/hid.h index 9e067f937dbc..4959385ca588 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -349,6 +349,8 @@ struct hid_item { /* BIT(9) reserved for backward compatibility, was NO_INIT_INPUT_REPORTS */ #define HID_QUIRK_ALWAYS_POLL BIT(10) #define HID_QUIRK_INPUT_PER_APP BIT(11) +#define HID_QUIRK_X_INVERT BIT(12) +#define HID_QUIRK_Y_INVERT BIT(13) #define HID_QUIRK_SKIP_OUTPUT_REPORTS BIT(16) #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID BIT(17) #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP BIT(18) -- 2.31.1
WARNING: multiple messages have this Message-ID (diff)
From: Alistair Francis <alistair@alistair23.me> To: s.hauer@pengutronix.de, shawnguo@kernel.org, dmitry.torokhov@gmail.com, benjamin.tissoires@redhat.com Cc: jikos@kernel.org, linux-kernel@vger.kernel.org, alistair23@gmail.com, linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org, Jason.Gerecke@wacom.com, linux-imx@nxp.com, Ping.Cheng@wacom.com, devicetree@vger.kernel.org, martin.chen@wacom.com, tatsunosuke.tobita@wacom.com, Alistair Francis <alistair@alistair23.me> Subject: [PATCH v16 1/3] HID: quirks: Allow inverting the absolute X/Y values Date: Wed, 8 Dec 2021 22:40:43 +1000 [thread overview] Message-ID: <20211208124045.61815-2-alistair@alistair23.me> (raw) In-Reply-To: <20211208124045.61815-1-alistair@alistair23.me> Add a HID_QUIRK_X_INVERT/HID_QUIRK_Y_INVERT quirk that can be used to invert the X/Y values. Signed-off-by: Alistair Francis <alistair@alistair23.me> --- drivers/hid/hid-input.c | 6 ++++++ include/linux/hid.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 217f2d1b91c5..83ee803186a1 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1331,6 +1331,12 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct input = field->hidinput->input; + if (usage->type == EV_ABS && + (((*quirks & HID_QUIRK_X_INVERT) && usage->code == ABS_X) || + ((*quirks & HID_QUIRK_Y_INVERT) && usage->code == ABS_Y))) { + value = field->logical_maximum - value; + } + if (usage->hat_min < usage->hat_max || usage->hat_dir) { int hat_dir = usage->hat_dir; if (!hat_dir) diff --git a/include/linux/hid.h b/include/linux/hid.h index 9e067f937dbc..4959385ca588 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -349,6 +349,8 @@ struct hid_item { /* BIT(9) reserved for backward compatibility, was NO_INIT_INPUT_REPORTS */ #define HID_QUIRK_ALWAYS_POLL BIT(10) #define HID_QUIRK_INPUT_PER_APP BIT(11) +#define HID_QUIRK_X_INVERT BIT(12) +#define HID_QUIRK_Y_INVERT BIT(13) #define HID_QUIRK_SKIP_OUTPUT_REPORTS BIT(16) #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID BIT(17) #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP BIT(18) -- 2.31.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-12-08 12:41 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-12-08 12:40 [PATCH v16 0/3] Add Wacom I2C support to rM2 Alistair Francis 2021-12-08 12:40 ` Alistair Francis 2021-12-08 12:40 ` Alistair Francis [this message] 2021-12-08 12:40 ` [PATCH v16 1/3] HID: quirks: Allow inverting the absolute X/Y values Alistair Francis 2021-12-08 12:40 ` [PATCH v16 2/3] HID: i2c-hid-of: Expose the touchscreen-inverted properties Alistair Francis 2021-12-08 12:40 ` Alistair Francis 2021-12-08 12:40 ` [PATCH v16 3/3] ARM: dts: imx7d: remarkable2: add wacom digitizer device Alistair Francis 2021-12-08 12:40 ` Alistair Francis 2021-12-16 3:08 ` Shawn Guo 2021-12-16 3:08 ` Shawn Guo 2021-12-14 12:33 ` [PATCH v16 0/3] Add Wacom I2C support to rM2 Benjamin Tissoires 2021-12-14 12:33 ` Benjamin Tissoires
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