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authorSimon Wood <gitsend@mungewell.org>2016-09-18 19:55:38 +0300
committerJiri Kosina <jkosina@suse.cz>2016-09-26 16:39:54 +0300
commitc832f86effbcf8833fc2c842aa501ce1eb4d0478 (patch)
tree51ed8b198c543e6ea7f2e22227bbd670d9665a15 /drivers/hid/hid-lg4ff.c
parent961af46f8e2c7bf793352c11262fb37e87706921 (diff)
downloadlinux-c832f86effbcf8833fc2c842aa501ce1eb4d0478.tar.xz
HID: hid-logitech: Add combined pedal support Logitech wheels
Add support for reporting a combined accelerator/brake axis for wheels which contain combined data in their HID stream. This includes DF, MOMO, MOMO2 and DFP. Signed-off-by: Simon Wood <simon@mungewell.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-lg4ff.c')
-rw-r--r--drivers/hid/hid-lg4ff.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
index ca31ce4d2c24..79d34c2f639b 100644
--- a/drivers/hid/hid-lg4ff.c
+++ b/drivers/hid/hid-lg4ff.c
@@ -329,6 +329,38 @@ 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)
+{
+ struct lg4ff_device_entry *entry = drv_data->device_props;
+
+ if (!entry)
+ return 0;
+
+ /* adjust HID report present combined pedals data */
+ if (entry->wdata.combine) {
+ switch (entry->wdata.product_id) {
+ case USB_DEVICE_ID_LOGITECH_WHEEL:
+ rd[5] = rd[3];
+ rd[6] = 0x7F;
+ return 1;
+ case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL:
+ case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
+ rd[4] = rd[3];
+ rd[5] = 0x7F;
+ return 1;
+ case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
+ rd[5] = rd[4];
+ rd[6] = 0x7F;
+ return 1;
+ default:
+ return 0;
+ }
+ }
+
+ return 0;
+}
+
static void lg4ff_init_wheel_data(struct lg4ff_wheel_data * const wdata, const struct lg4ff_wheel *wheel,
const struct lg4ff_multimode_wheel *mmode_wheel,
const u16 real_product_id)