From: Simon Wood <gitsend@mungewell.org>
To: linux-input@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Jiri Kosina <jkosina@suse.cz>,
Edwin Velds <edwin@velds.nl>,
Elias Vanderstuyft <elias.vds@gmail.com>,
Michal Maly <madcatxster@gmail.com>,
Simon Wood <simon@mungewell.org>
Subject: [PATCH 3/5] HID:hid-logitech: Compute combined pedals if not supplied
Date: Fri, 9 Sep 2016 16:50:47 -0600 [thread overview]
Message-ID: <1473461449-8060-3-git-send-email-simon@mungewell.org> (raw)
In-Reply-To: <1473461449-8060-1-git-send-email-simon@mungewell.org>
Add support for computing a combined accelerator/brake axis for wheels
which don't contain combined data in their HID stream.
This includes DFGT, G25, G27, G29 and Wii-Wheel.
Signed-off-by: Simon Wood <simon@mungewell.org>
---
drivers/hid/hid-lg4ff.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
index 79d34c2..cc5c9ebd 100644
--- a/drivers/hid/hid-lg4ff.c
+++ b/drivers/hid/hid-lg4ff.c
@@ -332,6 +332,7 @@ int lg4ff_adjust_input_event(struct hid_device *hid, struct hid_field *field,
int lg4ff_raw_event(struct hid_device *hdev, struct hid_report *report,
u8 *rd, int size, struct lg_drv_data *drv_data)
{
+ int offset;
struct lg4ff_device_entry *entry = drv_data->device_props;
if (!entry)
@@ -353,9 +354,25 @@ int lg4ff_raw_event(struct hid_device *hdev, struct hid_report *report,
rd[5] = rd[4];
rd[6] = 0x7F;
return 1;
+ case USB_DEVICE_ID_LOGITECH_G25_WHEEL:
+ case USB_DEVICE_ID_LOGITECH_G27_WHEEL:
+ offset = 5;
+ break;
+ case USB_DEVICE_ID_LOGITECH_DFGT_WHEEL:
+ case USB_DEVICE_ID_LOGITECH_G29_WHEEL:
+ offset = 6;
+ break;
+ case USB_DEVICE_ID_LOGITECH_WII_WHEEL:
+ offset = 3;
+ break;
default:
return 0;
}
+
+ /* Compute a combined axis when wheel does not supply it */
+ rd[offset] = (0xFF + rd[offset] - rd[offset+1]) >> 1;
+ rd[offset+1] = 0x7F;
+ return 1;
}
return 0;
--
2.7.4
next prev parent reply other threads:[~2016-09-09 22:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-09 22:50 [PATCH 1/5] HID:hid-logitech: Introduce dev_attr for combined pedals feature Simon Wood
2016-09-09 22:50 ` [PATCH 2/5] HID:hid-logitech: Add combined pedal support Logitech wheels Simon Wood
2016-09-09 22:50 ` Simon Wood [this message]
2016-09-09 22:50 ` [PATCH 4/5] HID:hid-logitech: Rewrite of descriptor for all DF wheels Simon Wood
2016-09-10 1:34 ` kbuild test robot
2016-09-14 18:55 ` Simon Wood
2016-09-09 22:50 ` [PATCH 5/5] HID:hid-logitech: Documentation updates/corrections Simon Wood
2016-09-18 16:55 ` [Patch-V2 1/6] HID:hid-logitech: Introduce control for combined pedals feature Simon Wood
2016-09-18 16:55 ` [Patch-V2 2/6] HID:hid-logitech: Add combined pedal support Logitech wheels Simon Wood
2016-09-18 16:55 ` [Patch-V2 3/6] HID:hid-logitech: Compute combined pedals value Simon Wood
2016-09-18 16:55 ` [Patch-V2 4/6] HID:hid-logitech: Rewrite of descriptor for all DF wheels Simon Wood
2016-09-18 16:55 ` [Patch-V2 5/6] HID:hid-logitech: Improve Wingman Formula Force GP support Simon Wood
2016-09-18 16:55 ` [Patch-V2 6/6] HID:hid-logitech: Documentation updates/corrections Simon Wood
2016-09-26 13:41 ` [Patch-V2 1/6] HID:hid-logitech: Introduce control for combined pedals feature Jiri Kosina
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