diff options
Diffstat (limited to '0001-HID-i2c-hid-override-HID-descriptors-for-certain-dev.patch')
-rw-r--r-- | 0001-HID-i2c-hid-override-HID-descriptors-for-certain-dev.patch | 564 |
1 files changed, 0 insertions, 564 deletions
diff --git a/0001-HID-i2c-hid-override-HID-descriptors-for-certain-dev.patch b/0001-HID-i2c-hid-override-HID-descriptors-for-certain-dev.patch deleted file mode 100644 index 68801ccec..000000000 --- a/0001-HID-i2c-hid-override-HID-descriptors-for-certain-dev.patch +++ /dev/null @@ -1,564 +0,0 @@ -From 9ee3e06610fdb8a601cde59c92089fb6c1deb4aa Mon Sep 17 00:00:00 2001 -From: Julian Sax <jsbc@gmx.de> -Date: Wed, 19 Sep 2018 11:46:23 +0200 -Subject: [PATCH] HID: i2c-hid: override HID descriptors for certain devices - -A particular touchpad (SIPODEV SP1064) refuses to supply the HID -descriptors. This patch provides the framework for overriding these -descriptors based on DMI data. It also includes the descriptors for -said touchpad, which were extracted by listening to the traffic of the -windows filter driver, as well as the DMI data for the laptops known -to use this device. - -Relevant Bug: https://bugzilla.redhat.com/show_bug.cgi?id=1526312 - -Cc: Hans de Goede <hdegoede@redhat.com> -Reported-and-tested-by: ahormann@gmx.net -Reported-and-tested-by: Bruno Jesus <bruno.fl.jesus@gmail.com> -Reported-and-tested-by: Dietrich <enaut.w@googlemail.com> -Reported-and-tested-by: kloxdami@yahoo.com -Signed-off-by: Julian Sax <jsbc@gmx.de> -Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> -Signed-off-by: Jiri Kosina <jkosina@suse.cz> ---- - drivers/hid/i2c-hid/Makefile | 3 + - .../hid/i2c-hid/{i2c-hid.c => i2c-hid-core.c} | 60 ++- - drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c | 376 ++++++++++++++++++ - drivers/hid/i2c-hid/i2c-hid.h | 20 + - 4 files changed, 439 insertions(+), 20 deletions(-) - rename drivers/hid/i2c-hid/{i2c-hid.c => i2c-hid-core.c} (96%) - create mode 100644 drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c - create mode 100644 drivers/hid/i2c-hid/i2c-hid.h - -diff --git a/drivers/hid/i2c-hid/Makefile b/drivers/hid/i2c-hid/Makefile -index 832d8f9aaba2..099e1ce2f234 100644 ---- a/drivers/hid/i2c-hid/Makefile -+++ b/drivers/hid/i2c-hid/Makefile -@@ -3,3 +3,6 @@ - # - - obj-$(CONFIG_I2C_HID) += i2c-hid.o -+ -+i2c-hid-objs = i2c-hid-core.o -+i2c-hid-$(CONFIG_DMI) += i2c-hid-dmi-quirks.o -diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid-core.c -similarity index 96% -rename from drivers/hid/i2c-hid/i2c-hid.c -rename to drivers/hid/i2c-hid/i2c-hid-core.c -index f3076659361a..823c63ad08b1 100644 ---- a/drivers/hid/i2c-hid/i2c-hid.c -+++ b/drivers/hid/i2c-hid/i2c-hid-core.c -@@ -43,6 +43,7 @@ - #include <linux/platform_data/i2c-hid.h> - - #include "../hid-ids.h" -+#include "i2c-hid.h" - - /* quirks to control the device */ - #define I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV BIT(0) -@@ -669,6 +670,7 @@ static int i2c_hid_parse(struct hid_device *hid) - char *rdesc; - int ret; - int tries = 3; -+ char *use_override; - - i2c_hid_dbg(ihid, "entering %s\n", __func__); - -@@ -687,26 +689,37 @@ static int i2c_hid_parse(struct hid_device *hid) - if (ret) - return ret; - -- rdesc = kzalloc(rsize, GFP_KERNEL); -+ use_override = i2c_hid_get_dmi_hid_report_desc_override(client->name, -+ &rsize); - -- if (!rdesc) { -- dbg_hid("couldn't allocate rdesc memory\n"); -- return -ENOMEM; -- } -- -- i2c_hid_dbg(ihid, "asking HID report descriptor\n"); -- -- ret = i2c_hid_command(client, &hid_report_descr_cmd, rdesc, rsize); -- if (ret) { -- hid_err(hid, "reading report descriptor failed\n"); -- kfree(rdesc); -- return -EIO; -+ if (use_override) { -+ rdesc = use_override; -+ i2c_hid_dbg(ihid, "Using a HID report descriptor override\n"); -+ } else { -+ rdesc = kzalloc(rsize, GFP_KERNEL); -+ -+ if (!rdesc) { -+ dbg_hid("couldn't allocate rdesc memory\n"); -+ return -ENOMEM; -+ } -+ -+ i2c_hid_dbg(ihid, "asking HID report descriptor\n"); -+ -+ ret = i2c_hid_command(client, &hid_report_descr_cmd, -+ rdesc, rsize); -+ if (ret) { -+ hid_err(hid, "reading report descriptor failed\n"); -+ kfree(rdesc); -+ return -EIO; -+ } - } - - i2c_hid_dbg(ihid, "Report Descriptor: %*ph\n", rsize, rdesc); - - ret = hid_parse_report(hid, rdesc, rsize); -- kfree(rdesc); -+ if (!use_override) -+ kfree(rdesc); -+ - if (ret) { - dbg_hid("parsing report descriptor failed\n"); - return ret; -@@ -833,12 +846,19 @@ static int i2c_hid_fetch_hid_descriptor(struct i2c_hid *ihid) - int ret; - - /* i2c hid fetch using a fixed descriptor size (30 bytes) */ -- i2c_hid_dbg(ihid, "Fetching the HID descriptor\n"); -- ret = i2c_hid_command(client, &hid_descr_cmd, ihid->hdesc_buffer, -- sizeof(struct i2c_hid_desc)); -- if (ret) { -- dev_err(&client->dev, "hid_descr_cmd failed\n"); -- return -ENODEV; -+ if (i2c_hid_get_dmi_i2c_hid_desc_override(client->name)) { -+ i2c_hid_dbg(ihid, "Using a HID descriptor override\n"); -+ ihid->hdesc = -+ *i2c_hid_get_dmi_i2c_hid_desc_override(client->name); -+ } else { -+ i2c_hid_dbg(ihid, "Fetching the HID descriptor\n"); -+ ret = i2c_hid_command(client, &hid_descr_cmd, -+ ihid->hdesc_buffer, -+ sizeof(struct i2c_hid_desc)); -+ if (ret) { -+ dev_err(&client->dev, "hid_descr_cmd failed\n"); -+ return -ENODEV; -+ } - } - - /* Validate the length of HID descriptor, the 4 first bytes: -diff --git a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c -new file mode 100644 -index 000000000000..1d645c9ab417 ---- /dev/null -+++ b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c -@@ -0,0 +1,385 @@ -+// SPDX-License-Identifier: GPL-2.0+ -+ -+/* -+ * Quirks for I2C-HID devices that do not supply proper descriptors -+ * -+ * Copyright (c) 2018 Julian Sax <jsbc@gmx.de> -+ * -+ */ -+ -+#include <linux/types.h> -+#include <linux/dmi.h> -+#include <linux/mod_devicetable.h> -+ -+#include "i2c-hid.h" -+ -+ -+struct i2c_hid_desc_override { -+ union { -+ struct i2c_hid_desc *i2c_hid_desc; -+ uint8_t *i2c_hid_desc_buffer; -+ }; -+ uint8_t *hid_report_desc; -+ unsigned int hid_report_desc_size; -+ uint8_t *i2c_name; -+}; -+ -+ -+/* -+ * descriptors for the SIPODEV SP1064 touchpad -+ * -+ * This device does not supply any descriptors and on windows a filter -+ * driver operates between the i2c-hid layer and the device and injects -+ * these descriptors when the device is prompted. The descriptors were -+ * extracted by listening to the i2c-hid traffic that occurs between the -+ * windows filter driver and the windows i2c-hid driver. -+ */ -+ -+static const struct i2c_hid_desc_override sipodev_desc = { -+ .i2c_hid_desc_buffer = (uint8_t []) -+ {0x1e, 0x00, /* Length of descriptor */ -+ 0x00, 0x01, /* Version of descriptor */ -+ 0xdb, 0x01, /* Length of report descriptor */ -+ 0x21, 0x00, /* Location of report descriptor */ -+ 0x24, 0x00, /* Location of input report */ -+ 0x1b, 0x00, /* Max input report length */ -+ 0x25, 0x00, /* Location of output report */ -+ 0x11, 0x00, /* Max output report length */ -+ 0x22, 0x00, /* Location of command register */ -+ 0x23, 0x00, /* Location of data register */ -+ 0x11, 0x09, /* Vendor ID */ -+ 0x88, 0x52, /* Product ID */ -+ 0x06, 0x00, /* Version ID */ -+ 0x00, 0x00, 0x00, 0x00 /* Reserved */ -+ }, -+ -+ .hid_report_desc = (uint8_t []) -+ {0x05, 0x01, /* Usage Page (Desktop), */ -+ 0x09, 0x02, /* Usage (Mouse), */ -+ 0xA1, 0x01, /* Collection (Application), */ -+ 0x85, 0x01, /* Report ID (1), */ -+ 0x09, 0x01, /* Usage (Pointer), */ -+ 0xA1, 0x00, /* Collection (Physical), */ -+ 0x05, 0x09, /* Usage Page (Button), */ -+ 0x19, 0x01, /* Usage Minimum (01h), */ -+ 0x29, 0x02, /* Usage Maximum (02h), */ -+ 0x25, 0x01, /* Logical Maximum (1), */ -+ 0x75, 0x01, /* Report Size (1), */ -+ 0x95, 0x02, /* Report Count (2), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x95, 0x06, /* Report Count (6), */ -+ 0x81, 0x01, /* Input (Constant), */ -+ 0x05, 0x01, /* Usage Page (Desktop), */ -+ 0x09, 0x30, /* Usage (X), */ -+ 0x09, 0x31, /* Usage (Y), */ -+ 0x15, 0x81, /* Logical Minimum (-127), */ -+ 0x25, 0x7F, /* Logical Maximum (127), */ -+ 0x75, 0x08, /* Report Size (8), */ -+ 0x95, 0x02, /* Report Count (2), */ -+ 0x81, 0x06, /* Input (Variable, Relative), */ -+ 0xC0, /* End Collection, */ -+ 0xC0, /* End Collection, */ -+ 0x05, 0x0D, /* Usage Page (Digitizer), */ -+ 0x09, 0x05, /* Usage (Touchpad), */ -+ 0xA1, 0x01, /* Collection (Application), */ -+ 0x85, 0x04, /* Report ID (4), */ -+ 0x05, 0x0D, /* Usage Page (Digitizer), */ -+ 0x09, 0x22, /* Usage (Finger), */ -+ 0xA1, 0x02, /* Collection (Logical), */ -+ 0x15, 0x00, /* Logical Minimum (0), */ -+ 0x25, 0x01, /* Logical Maximum (1), */ -+ 0x09, 0x47, /* Usage (Touch Valid), */ -+ 0x09, 0x42, /* Usage (Tip Switch), */ -+ 0x95, 0x02, /* Report Count (2), */ -+ 0x75, 0x01, /* Report Size (1), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x95, 0x01, /* Report Count (1), */ -+ 0x75, 0x03, /* Report Size (3), */ -+ 0x25, 0x05, /* Logical Maximum (5), */ -+ 0x09, 0x51, /* Usage (Contact Identifier), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x75, 0x01, /* Report Size (1), */ -+ 0x95, 0x03, /* Report Count (3), */ -+ 0x81, 0x03, /* Input (Constant, Variable), */ -+ 0x05, 0x01, /* Usage Page (Desktop), */ -+ 0x26, 0x44, 0x0A, /* Logical Maximum (2628), */ -+ 0x75, 0x10, /* Report Size (16), */ -+ 0x55, 0x0E, /* Unit Exponent (14), */ -+ 0x65, 0x11, /* Unit (Centimeter), */ -+ 0x09, 0x30, /* Usage (X), */ -+ 0x46, 0x1A, 0x04, /* Physical Maximum (1050), */ -+ 0x95, 0x01, /* Report Count (1), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x46, 0xBC, 0x02, /* Physical Maximum (700), */ -+ 0x26, 0x34, 0x05, /* Logical Maximum (1332), */ -+ 0x09, 0x31, /* Usage (Y), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0xC0, /* End Collection, */ -+ 0x05, 0x0D, /* Usage Page (Digitizer), */ -+ 0x09, 0x22, /* Usage (Finger), */ -+ 0xA1, 0x02, /* Collection (Logical), */ -+ 0x25, 0x01, /* Logical Maximum (1), */ -+ 0x09, 0x47, /* Usage (Touch Valid), */ -+ 0x09, 0x42, /* Usage (Tip Switch), */ -+ 0x95, 0x02, /* Report Count (2), */ -+ 0x75, 0x01, /* Report Size (1), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x95, 0x01, /* Report Count (1), */ -+ 0x75, 0x03, /* Report Size (3), */ -+ 0x25, 0x05, /* Logical Maximum (5), */ -+ 0x09, 0x51, /* Usage (Contact Identifier), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x75, 0x01, /* Report Size (1), */ -+ 0x95, 0x03, /* Report Count (3), */ -+ 0x81, 0x03, /* Input (Constant, Variable), */ -+ 0x05, 0x01, /* Usage Page (Desktop), */ -+ 0x26, 0x44, 0x0A, /* Logical Maximum (2628), */ -+ 0x75, 0x10, /* Report Size (16), */ -+ 0x09, 0x30, /* Usage (X), */ -+ 0x46, 0x1A, 0x04, /* Physical Maximum (1050), */ -+ 0x95, 0x01, /* Report Count (1), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x46, 0xBC, 0x02, /* Physical Maximum (700), */ -+ 0x26, 0x34, 0x05, /* Logical Maximum (1332), */ -+ 0x09, 0x31, /* Usage (Y), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0xC0, /* End Collection, */ -+ 0x05, 0x0D, /* Usage Page (Digitizer), */ -+ 0x09, 0x22, /* Usage (Finger), */ -+ 0xA1, 0x02, /* Collection (Logical), */ -+ 0x25, 0x01, /* Logical Maximum (1), */ -+ 0x09, 0x47, /* Usage (Touch Valid), */ -+ 0x09, 0x42, /* Usage (Tip Switch), */ -+ 0x95, 0x02, /* Report Count (2), */ -+ 0x75, 0x01, /* Report Size (1), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x95, 0x01, /* Report Count (1), */ -+ 0x75, 0x03, /* Report Size (3), */ -+ 0x25, 0x05, /* Logical Maximum (5), */ -+ 0x09, 0x51, /* Usage (Contact Identifier), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x75, 0x01, /* Report Size (1), */ -+ 0x95, 0x03, /* Report Count (3), */ -+ 0x81, 0x03, /* Input (Constant, Variable), */ -+ 0x05, 0x01, /* Usage Page (Desktop), */ -+ 0x26, 0x44, 0x0A, /* Logical Maximum (2628), */ -+ 0x75, 0x10, /* Report Size (16), */ -+ 0x09, 0x30, /* Usage (X), */ -+ 0x46, 0x1A, 0x04, /* Physical Maximum (1050), */ -+ 0x95, 0x01, /* Report Count (1), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x46, 0xBC, 0x02, /* Physical Maximum (700), */ -+ 0x26, 0x34, 0x05, /* Logical Maximum (1332), */ -+ 0x09, 0x31, /* Usage (Y), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0xC0, /* End Collection, */ -+ 0x05, 0x0D, /* Usage Page (Digitizer), */ -+ 0x09, 0x22, /* Usage (Finger), */ -+ 0xA1, 0x02, /* Collection (Logical), */ -+ 0x25, 0x01, /* Logical Maximum (1), */ -+ 0x09, 0x47, /* Usage (Touch Valid), */ -+ 0x09, 0x42, /* Usage (Tip Switch), */ -+ 0x95, 0x02, /* Report Count (2), */ -+ 0x75, 0x01, /* Report Size (1), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x95, 0x01, /* Report Count (1), */ -+ 0x75, 0x03, /* Report Size (3), */ -+ 0x25, 0x05, /* Logical Maximum (5), */ -+ 0x09, 0x51, /* Usage (Contact Identifier), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x75, 0x01, /* Report Size (1), */ -+ 0x95, 0x03, /* Report Count (3), */ -+ 0x81, 0x03, /* Input (Constant, Variable), */ -+ 0x05, 0x01, /* Usage Page (Desktop), */ -+ 0x26, 0x44, 0x0A, /* Logical Maximum (2628), */ -+ 0x75, 0x10, /* Report Size (16), */ -+ 0x09, 0x30, /* Usage (X), */ -+ 0x46, 0x1A, 0x04, /* Physical Maximum (1050), */ -+ 0x95, 0x01, /* Report Count (1), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x46, 0xBC, 0x02, /* Physical Maximum (700), */ -+ 0x26, 0x34, 0x05, /* Logical Maximum (1332), */ -+ 0x09, 0x31, /* Usage (Y), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0xC0, /* End Collection, */ -+ 0x05, 0x0D, /* Usage Page (Digitizer), */ -+ 0x55, 0x0C, /* Unit Exponent (12), */ -+ 0x66, 0x01, 0x10, /* Unit (Seconds), */ -+ 0x47, 0xFF, 0xFF, 0x00, 0x00,/* Physical Maximum (65535), */ -+ 0x27, 0xFF, 0xFF, 0x00, 0x00,/* Logical Maximum (65535), */ -+ 0x75, 0x10, /* Report Size (16), */ -+ 0x95, 0x01, /* Report Count (1), */ -+ 0x09, 0x56, /* Usage (Scan Time), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x09, 0x54, /* Usage (Contact Count), */ -+ 0x25, 0x7F, /* Logical Maximum (127), */ -+ 0x75, 0x08, /* Report Size (8), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x05, 0x09, /* Usage Page (Button), */ -+ 0x09, 0x01, /* Usage (01h), */ -+ 0x25, 0x01, /* Logical Maximum (1), */ -+ 0x75, 0x01, /* Report Size (1), */ -+ 0x95, 0x01, /* Report Count (1), */ -+ 0x81, 0x02, /* Input (Variable), */ -+ 0x95, 0x07, /* Report Count (7), */ -+ 0x81, 0x03, /* Input (Constant, Variable), */ -+ 0x05, 0x0D, /* Usage Page (Digitizer), */ -+ 0x85, 0x02, /* Report ID (2), */ -+ 0x09, 0x55, /* Usage (Contact Count Maximum), */ -+ 0x09, 0x59, /* Usage (59h), */ -+ 0x75, 0x04, /* Report Size (4), */ -+ 0x95, 0x02, /* Report Count (2), */ -+ 0x25, 0x0F, /* Logical Maximum (15), */ -+ 0xB1, 0x02, /* Feature (Variable), */ -+ 0x05, 0x0D, /* Usage Page (Digitizer), */ -+ 0x85, 0x07, /* Report ID (7), */ -+ 0x09, 0x60, /* Usage (60h), */ -+ 0x75, 0x01, /* Report Size (1), */ -+ 0x95, 0x01, /* Report Count (1), */ -+ 0x25, 0x01, /* Logical Maximum (1), */ -+ 0xB1, 0x02, /* Feature (Variable), */ -+ 0x95, 0x07, /* Report Count (7), */ -+ 0xB1, 0x03, /* Feature (Constant, Variable), */ -+ 0x85, 0x06, /* Report ID (6), */ -+ 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ -+ 0x09, 0xC5, /* Usage (C5h), */ -+ 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ -+ 0x75, 0x08, /* Report Size (8), */ -+ 0x96, 0x00, 0x01, /* Report Count (256), */ -+ 0xB1, 0x02, /* Feature (Variable), */ -+ 0xC0, /* End Collection, */ -+ 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */ -+ 0x09, 0x01, /* Usage (01h), */ -+ 0xA1, 0x01, /* Collection (Application), */ -+ 0x85, 0x0D, /* Report ID (13), */ -+ 0x26, 0xFF, 0x00, /* Logical Maximum (255), */ -+ 0x19, 0x01, /* Usage Minimum (01h), */ -+ 0x29, 0x02, /* Usage Maximum (02h), */ -+ 0x75, 0x08, /* Report Size (8), */ -+ 0x95, 0x02, /* Report Count (2), */ -+ 0xB1, 0x02, /* Feature (Variable), */ -+ 0xC0, /* End Collection, */ -+ 0x05, 0x0D, /* Usage Page (Digitizer), */ -+ 0x09, 0x0E, /* Usage (Configuration), */ -+ 0xA1, 0x01, /* Collection (Application), */ -+ 0x85, 0x03, /* Report ID (3), */ -+ 0x09, 0x22, /* Usage (Finger), */ -+ 0xA1, 0x02, /* Collection (Logical), */ -+ 0x09, 0x52, /* Usage (Device Mode), */ -+ 0x25, 0x0A, /* Logical Maximum (10), */ -+ 0x95, 0x01, /* Report Count (1), */ -+ 0xB1, 0x02, /* Feature (Variable), */ -+ 0xC0, /* End Collection, */ -+ 0x09, 0x22, /* Usage (Finger), */ -+ 0xA1, 0x00, /* Collection (Physical), */ -+ 0x85, 0x05, /* Report ID (5), */ -+ 0x09, 0x57, /* Usage (57h), */ -+ 0x09, 0x58, /* Usage (58h), */ -+ 0x75, 0x01, /* Report Size (1), */ -+ 0x95, 0x02, /* Report Count (2), */ -+ 0x25, 0x01, /* Logical Maximum (1), */ -+ 0xB1, 0x02, /* Feature (Variable), */ -+ 0x95, 0x06, /* Report Count (6), */ -+ 0xB1, 0x03, /* Feature (Constant, Variable),*/ -+ 0xC0, /* End Collection, */ -+ 0xC0 /* End Collection */ -+ }, -+ .hid_report_desc_size = 475, -+ .i2c_name = "SYNA3602:00" -+}; -+ -+ -+static const struct dmi_system_id i2c_hid_dmi_desc_override_table[] = { -+ { -+ .ident = "Teclast F6 Pro", -+ .matches = { -+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TECLAST"), -+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "F6 Pro"), -+ }, -+ .driver_data = (void *)&sipodev_desc -+ }, -+ { -+ .ident = "Teclast F7", -+ .matches = { -+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TECLAST"), -+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "F7"), -+ }, -+ .driver_data = (void *)&sipodev_desc -+ }, -+ { -+ .ident = "Trekstor Primebook C13", -+ .matches = { -+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TREKSTOR"), -+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Primebook C13"), -+ }, -+ .driver_data = (void *)&sipodev_desc -+ }, -+ { -+ .ident = "Trekstor Primebook C11", -+ .matches = { -+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TREKSTOR"), -+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Primebook C11"), -+ }, -+ .driver_data = (void *)&sipodev_desc -+ }, -+ { -+ .ident = "Direkt-Tek DTLAPY116-2", -+ .matches = { -+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Direkt-Tek"), -+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "DTLAPY116-2"), -+ }, -+ .driver_data = (void *)&sipodev_desc -+ }, -+ { -+ .ident = "Direkt-Tek DTLAPY133-1", -+ .matches = { -+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Direkt-Tek"), -+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "DTLAPY133-1"), -+ }, -+ .driver_data = (void *)&sipodev_desc -+ }, -+ { -+ .ident = "Mediacom Flexbook Edge 11", -+ .matches = { -+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "MEDIACOM"), -+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "FlexBook edge11 - M-FBE11"), -+ }, -+ .driver_data = (void *)&sipodev_desc -+ }, -+ { } /* Terminate list */ -+}; -+ -+ -+struct i2c_hid_desc *i2c_hid_get_dmi_i2c_hid_desc_override(uint8_t *i2c_name) -+{ -+ struct i2c_hid_desc_override *override; -+ const struct dmi_system_id *system_id; -+ -+ system_id = dmi_first_match(i2c_hid_dmi_desc_override_table); -+ if (!system_id) -+ return NULL; -+ -+ override = system_id->driver_data; -+ if (strcmp(override->i2c_name, i2c_name)) -+ return NULL; -+ -+ return override->i2c_hid_desc; -+} -+ -+char *i2c_hid_get_dmi_hid_report_desc_override(uint8_t *i2c_name, -+ unsigned int *size) -+{ -+ struct i2c_hid_desc_override *override; -+ const struct dmi_system_id *system_id; -+ -+ system_id = dmi_first_match(i2c_hid_dmi_desc_override_table); -+ if (!system_id) -+ return NULL; -+ -+ override = system_id->driver_data; -+ if (strcmp(override->i2c_name, i2c_name)) -+ return NULL; -+ -+ *size = override->hid_report_desc_size; -+ return override->hid_report_desc; -+} -diff --git a/drivers/hid/i2c-hid/i2c-hid.h b/drivers/hid/i2c-hid/i2c-hid.h -new file mode 100644 -index 000000000000..a8c19aef5824 ---- /dev/null -+++ b/drivers/hid/i2c-hid/i2c-hid.h -@@ -0,0 +1,20 @@ -+/* SPDX-License-Identifier: GPL-2.0+ */ -+ -+#ifndef I2C_HID_H -+#define I2C_HID_H -+ -+ -+#ifdef CONFIG_DMI -+struct i2c_hid_desc *i2c_hid_get_dmi_i2c_hid_desc_override(uint8_t *i2c_name); -+char *i2c_hid_get_dmi_hid_report_desc_override(uint8_t *i2c_name, -+ unsigned int *size); -+#else -+static inline struct i2c_hid_desc -+ *i2c_hid_get_dmi_i2c_hid_desc_override(uint8_t *i2c_name) -+{ return NULL; } -+static inline char *i2c_hid_get_dmi_hid_report_desc_override(uint8_t *i2c_name, -+ unsigned int *size) -+{ return NULL; } -+#endif -+ -+#endif --- -2.19.1 - |