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authorBenjamin Tissoires <benjamin.tissoires@redhat.com>2023-02-22 12:32:22 +0300
committerBenjamin Tissoires <benjamin.tissoires@redhat.com>2023-02-22 12:32:22 +0300
commit1f3a95734401085fe2e2cfc1a004d58114268c1f (patch)
tree18c5cc204576bd6bbe77a3ec9d5657d2cdb1b08a
parent33238632295e6f1e7176b77ab6aa9ed6c0b86366 (diff)
parentf5cd71cfdb5c850d93d258c43c379f144acaae35 (diff)
downloadlinux-1f3a95734401085fe2e2cfc1a004d58114268c1f.tar.xz
Merge branch 'for-6.3/evision' into for-linus
New hid-evision driver for EVision keyboards (Philippe Valembois)
-rw-r--r--drivers/hid/Kconfig7
-rw-r--r--drivers/hid/Makefile1
-rw-r--r--drivers/hid/hid-evision.c53
-rw-r--r--drivers/hid/hid-ids.h3
4 files changed, 64 insertions, 0 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index d253b3ff2e0c..757a6fe8594a 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -329,6 +329,13 @@ config HID_ELO
Support for the ELO USB 4000/4500 touchscreens. Note that this is for
different devices than those handled by CONFIG_TOUCHSCREEN_USB_ELO.
+config HID_EVISION
+ tristate "EVision Keyboards Support"
+ depends on HID
+ help
+ Support for some EVision keyboards. Note that this is needed only when
+ applying customization using userspace programs.
+
config HID_EZKEY
tristate "Ezkey BTC 8193 keyboard"
default !EXPERT
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index e8014c1a2f8b..bd01571ddfe7 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -45,6 +45,7 @@ obj-$(CONFIG_HID_EMS_FF) += hid-emsff.o
obj-$(CONFIG_HID_ELAN) += hid-elan.o
obj-$(CONFIG_HID_ELECOM) += hid-elecom.o
obj-$(CONFIG_HID_ELO) += hid-elo.o
+obj-$(CONFIG_HID_EVISION) += hid-evision.o
obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o
obj-$(CONFIG_HID_FT260) += hid-ft260.o
obj-$(CONFIG_HID_GEMBIRD) += hid-gembird.o
diff --git a/drivers/hid/hid-evision.c b/drivers/hid/hid-evision.c
new file mode 100644
index 000000000000..ef6b4b435215
--- /dev/null
+++ b/drivers/hid/hid-evision.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * HID driver for EVision devices
+ * For now, only ignore bogus consumer reports
+ * sent after the keyboard has been configured
+ *
+ * Copyright (c) 2022 Philippe Valembois
+ */
+
+#include <linux/device.h>
+#include <linux/input.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+static int evision_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+ struct hid_field *field, struct hid_usage *usage,
+ unsigned long **bit, int *max)
+{
+ if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
+ return 0;
+
+ /* Ignore key down event */
+ if ((usage->hid & HID_USAGE) >> 8 == 0x05)
+ return -1;
+ /* Ignore key up event */
+ if ((usage->hid & HID_USAGE) >> 8 == 0x06)
+ return -1;
+
+ switch (usage->hid & HID_USAGE) {
+ /* Ignore configuration saved event */
+ case 0x0401: return -1;
+ /* Ignore reset event */
+ case 0x0402: return -1;
+ }
+ return 0;
+}
+
+static const struct hid_device_id evision_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_EVISION, USB_DEVICE_ID_EVISION_ICL01) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, evision_devices);
+
+static struct hid_driver evision_driver = {
+ .name = "evision",
+ .id_table = evision_devices,
+ .input_mapping = evision_input_mapping,
+};
+module_hid_driver(evision_driver);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 9e36b4cd905e..01cbbaab8266 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -448,6 +448,9 @@
#define USB_VENDOR_ID_EMS 0x2006
#define USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II 0x0118
+#define USB_VENDOR_ID_EVISION 0x320f
+#define USB_DEVICE_ID_EVISION_ICL01 0x5041
+
#define USB_VENDOR_ID_FLATFROG 0x25b5
#define USB_DEVICE_ID_MULTITOUCH_3200 0x0002