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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid

Browse Source 
Pull HID updates from Jiri Kosina:
 "No biggies this time:

   - micro-optimization of implement() in HID core parses, from Dmitry
     Torokhov

   - thingm driver cleanups from Heiner Kallweit

   - fine-graining detection of distance and tilt axes in wacom driver
     from Jason Gerecke

   - New hid-asus driver, currently supporting X205TA and VivoBook
     E200HA, from Yusuke Fujimaki"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: wacom: Add fuzz factor to distance and tilt axes
  HID: usbhid: quirks for Corsair RGB keyboard & mice (K70R, K95RGB, M65RGB, K70RGB, K65RGB)
  HID: thingm: remove not needed error message
  HID: thingm: set new flag LED_HW_PLUGGABLE
  HID: thingm: factor out duplicated code to thingm_init_led
  HID: simplify implement() a bit
  HID: asus: add support for VivoBook E200HA
  HID: hidraw: silence an uninitialized variable warning
  HID: roccat: silence an uninitialized variable warning
  HID: Asus X205TA keyboard driver
  HID: hidraw: switch to using memdup_user
This commit is contained in:
Linus Torvalds 2016-05-17 17:34:33 -07:00
commit dcc4c2f61c
12 changed files with 126 additions and 73 deletions
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10
drivers/hid/Kconfig
View File

@ -134,6 +134,16 @@ config HID_APPLEIR
Say Y here if you want support for Apple infrared remote control.
config HID_ASUS
tristate "Asus"
depends on I2C_HID
---help---
Support for Asus notebook built-in keyboard via i2c.
Supported devices:
- EeeBook X205TA
- VivoBook E200HA
config HID_AUREAL
tristate "Aureal"
depends on HID

1
drivers/hid/Makefile
View File

@ -24,6 +24,7 @@ obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o
obj-$(CONFIG_HID_ACRUX) += hid-axff.o
obj-$(CONFIG_HID_APPLE) += hid-apple.o
obj-$(CONFIG_HID_APPLEIR) += hid-appleir.o
obj-$(CONFIG_HID_ASUS) += hid-asus.o
obj-$(CONFIG_HID_AUREAL) += hid-aureal.o
obj-$(CONFIG_HID_BELKIN) += hid-belkin.o
obj-$(CONFIG_HID_BETOP_FF) += hid-betopff.o

52
drivers/hid/hid-asus.c Normal file
View File

@ -0,0 +1,52 @@
/*
* HID driver for Asus notebook built-in keyboard.
* Fixes small logical maximum to match usage maximum.
*
* Currently supported devices are:
* EeeBook X205TA
* VivoBook E200HA
*
* Copyright (c) 2016 Yusuke Fujimaki <usk.fujimaki@gmail.com>
*
* This module based on hid-ortek by
* Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com>
* Copyright (c) 2011 Jiri Kosina
*/
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*/
#include <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
if (*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
rdesc[55] = 0xdd;
}
return rdesc;
}
static const struct hid_device_id asus_devices[] = {
{ HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD) },
{ }
};
MODULE_DEVICE_TABLE(hid, asus_devices);
static struct hid_driver asus_driver = {
.name = "asus",
.id_table = asus_devices,
.report_fixup = asus_report_fixup
};
module_hid_driver(asus_driver);
MODULE_LICENSE("GPL");

34
drivers/hid/hid-core.c
View File

@ -1129,48 +1129,45 @@ EXPORT_SYMBOL_GPL(hid_field_extract);
static void __implement(u8 *report, unsigned offset, int n, u32 value)
{
unsigned int idx = offset / 8;
unsigned int size = offset + n;
unsigned int bit_shift = offset % 8;
int bits_to_set = 8 - bit_shift;
u8 bit_mask = 0xff << bit_shift;
while (n - bits_to_set >= 0) {
report[idx] &= ~bit_mask;
report[idx] &= ~(0xff << bit_shift);
report[idx] |= value << bit_shift;
value >>= bits_to_set;
n -= bits_to_set;
bits_to_set = 8;
bit_mask = 0xff;
bit_shift = 0;
idx++;
}
/* last nibble */
if (n) {
if (size % 8)
bit_mask &= (1U << (size % 8)) - 1;
report[idx] &= ~bit_mask;
report[idx] |= (value << bit_shift) & bit_mask;
u8 bit_mask = ((1U << n) - 1);
report[idx] &= ~(bit_mask << bit_shift);
report[idx] |= value << bit_shift;
}
}
static void implement(const struct hid_device *hid, u8 *report,
unsigned offset, unsigned n, u32 value)
{
u64 m;
if (n > 32) {
if (unlikely(n > 32)) {
hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
__func__, n, current->comm);
n = 32;
}
} else if (n < 32) {
u32 m = (1U << n) - 1;
m = (1ULL << n) - 1;
if (value > m)
hid_warn(hid, "%s() called with too large value %d! (%s)\n",
__func__, value, current->comm);
WARN_ON(value > m);
value &= m;
if (unlikely(value > m)) {
hid_warn(hid,
"%s() called with too large value %d (n: %d)! (%s)\n",
__func__, value, n, current->comm);
WARN_ON(1);
value &= m;
}
}
__implement(report, offset, n, value);
}
@ -1856,6 +1853,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
{ HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },

8
drivers/hid/hid-ids.h
View File

@ -163,6 +163,7 @@
#define USB_VENDOR_ID_ASUSTEK 0x0b05
#define USB_DEVICE_ID_ASUSTEK_LCM 0x1726
#define USB_DEVICE_ID_ASUSTEK_LCM2 0x175b
#define USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD 0x8585
#define USB_VENDOR_ID_ATEN 0x0557
#define USB_DEVICE_ID_ATEN_UC100KM 0x2004
@ -258,6 +259,13 @@
#define USB_VENDOR_ID_CORSAIR 0x1b1c
#define USB_DEVICE_ID_CORSAIR_K90 0x1b02
#define USB_VENDOR_ID_CORSAIR 0x1b1c
#define USB_DEVICE_ID_CORSAIR_K70R 0x1b09
#define USB_DEVICE_ID_CORSAIR_K95RGB 0x1b11
#define USB_DEVICE_ID_CORSAIR_M65RGB 0x1b12
#define USB_DEVICE_ID_CORSAIR_K70RGB 0x1b13
#define USB_DEVICE_ID_CORSAIR_K65RGB 0x1b17
#define USB_VENDOR_ID_CREATIVELABS 0x041e
#define USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51 0x322c
#define USB_DEVICE_ID_PRODIKEYS_PCMIDI 0x2801

5
drivers/hid/hid-roccat.c
View File

@ -421,14 +421,13 @@ static int __init roccat_init(void)
retval = alloc_chrdev_region(&dev_id, ROCCAT_FIRST_MINOR,
ROCCAT_MAX_DEVICES, "roccat");
roccat_major = MAJOR(dev_id);
if (retval < 0) {
pr_warn("can't get major number\n");
goto error;
}
roccat_major = MAJOR(dev_id);
cdev_init(&roccat_cdev, &roccat_ops);
retval = cdev_add(&roccat_cdev, dev_id, ROCCAT_MAX_DEVICES);

49
drivers/hid/hid-thingm.c
View File

@ -148,13 +148,21 @@ static int thingm_led_set(struct led_classdev *ldev,
enum led_brightness brightness)
{
struct thingm_led *led = container_of(ldev, struct thingm_led, ldev);
int ret;
ret = thingm_write_color(led->rgb);
if (ret)
hid_err(led->rgb->tdev->hdev, "failed to write color\n");
return thingm_write_color(led->rgb);
}
return ret;
static int thingm_init_led(struct thingm_led *led, const char *color_name,
struct thingm_rgb *rgb, int minor)
{
snprintf(led->name, sizeof(led->name), "thingm%d:%s:led%d",
minor, color_name, rgb->num);
led->ldev.name = led->name;
led->ldev.max_brightness = 255;
led->ldev.brightness_set_blocking = thingm_led_set;
led->ldev.flags = LED_HW_PLUGGABLE;
led->rgb = rgb;
return devm_led_classdev_register(&rgb->tdev->hdev->dev, &led->ldev);
}
static int thingm_init_rgb(struct thingm_rgb *rgb)
@ -163,42 +171,17 @@ static int thingm_init_rgb(struct thingm_rgb *rgb)
int err;
/* Register the red diode */
snprintf(rgb->red.name, sizeof(rgb->red.name),
"thingm%d:red:led%d", minor, rgb->num);
rgb->red.ldev.name = rgb->red.name;
rgb->red.ldev.max_brightness = 255;
rgb->red.ldev.brightness_set_blocking = thingm_led_set;
rgb->red.rgb = rgb;
err = devm_led_classdev_register(&rgb->tdev->hdev->dev,
&rgb->red.ldev);
err = thingm_init_led(&rgb->red, "red", rgb, minor);
if (err)
return err;
/* Register the green diode */
snprintf(rgb->green.name, sizeof(rgb->green.name),
"thingm%d:green:led%d", minor, rgb->num);
rgb->green.ldev.name = rgb->green.name;
rgb->green.ldev.max_brightness = 255;
rgb->green.ldev.brightness_set_blocking = thingm_led_set;
rgb->green.rgb = rgb;
err = devm_led_classdev_register(&rgb->tdev->hdev->dev,
&rgb->green.ldev);
err = thingm_init_led(&rgb->green, "green", rgb, minor);
if (err)
return err;
/* Register the blue diode */
snprintf(rgb->blue.name, sizeof(rgb->blue.name),
"thingm%d:blue:led%d", minor, rgb->num);
rgb->blue.ldev.name = rgb->blue.name;
rgb->blue.ldev.max_brightness = 255;
rgb->blue.ldev.brightness_set_blocking = thingm_led_set;
rgb->blue.rgb = rgb;
err = devm_led_classdev_register(&rgb->tdev->hdev->dev,
&rgb->blue.ldev);
return err;
return thingm_init_led(&rgb->blue, "blue", rgb, minor);
}
static int thingm_probe(struct hid_device *hdev, const struct hid_device_id *id)

18
drivers/hid/hidraw.c
View File

@ -34,6 +34,7 @@
#include <linux/hid.h>
#include <linux/mutex.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/hidraw.h>
@ -123,7 +124,6 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer,
dev = hidraw_table[minor]->hid;
if (count > HID_MAX_BUFFER_SIZE) {
hid_warn(dev, "pid %d passed too large report\n",
task_pid_nr(current));
@ -138,17 +138,12 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer,
goto out;
}
buf = kmalloc(count * sizeof(__u8), GFP_KERNEL);
if (!buf) {
ret = -ENOMEM;
buf = memdup_user(buffer, count);
if (IS_ERR(buf)) {
ret = PTR_ERR(buf);
goto out;
}
if (copy_from_user(buf, buffer, count)) {
ret = -EFAULT;
goto out_free;
}
if ((report_type == HID_OUTPUT_REPORT) &&
!(dev->quirks & HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP)) {
ret = hid_hw_output_report(dev, buf, count);
@ -587,14 +582,13 @@ int __init hidraw_init(void)
result = alloc_chrdev_region(&dev_id, HIDRAW_FIRST_MINOR,
HIDRAW_MAX_DEVICES, "hidraw");
hidraw_major = MAJOR(dev_id);
if (result < 0) {
pr_warn("can't get major number\n");
goto out;
}
hidraw_major = MAJOR(dev_id);
hidraw_class = class_create(THIS_MODULE, "hidraw");
if (IS_ERR(hidraw_class)) {
result = PTR_ERR(hidraw_class);

5
drivers/hid/usbhid/hid-quirks.c
View File

@ -71,6 +71,11 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70R, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_M65RGB, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K95RGB, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL },
{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70RGB, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K65RGB, HID_QUIRK_NO_INIT_REPORTS },
{ USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
{ USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT },

3
drivers/hid/wacom_sys.c
View File

@ -493,7 +493,8 @@ static void wacom_retrieve_hid_descriptor(struct hid_device *hdev,
features->x_fuzz = 4;
features->y_fuzz = 4;
features->pressure_fuzz = 0;
features->distance_fuzz = 0;
features->distance_fuzz = 1;
features->tilt_fuzz = 1;
/*
* The wireless device HID is basic and layout conflicts with

13
drivers/hid/wacom_wac.c
View File

@ -2344,12 +2344,13 @@ static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
__set_bit(BTN_STYLUS2, input_dev->keybit);
input_set_abs_params(input_dev, ABS_DISTANCE,
0, wacom_wac->features.distance_max, 0, 0);
0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
}
static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
{
struct input_dev *input_dev = wacom_wac->pen_input;
struct wacom_features *features = &wacom_wac->features;
wacom_setup_basic_pro_pen(wacom_wac);
@ -2359,9 +2360,9 @@ static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
__set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, 0, 0);
input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
input_abs_set_res(input_dev, ABS_TILT_X, 57);
input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, 0, 0);
input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
input_abs_set_res(input_dev, ABS_TILT_Y, 57);
}
@ -2507,7 +2508,7 @@ int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
case WACOM_G4:
input_set_abs_params(input_dev, ABS_DISTANCE, 0,
features->distance_max,
0, 0);
features->distance_fuzz, 0);
/* fall through */
case GRAPHIRE:
@ -2569,7 +2570,7 @@ int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
input_set_abs_params(input_dev, ABS_DISTANCE, 0,
features->distance_max,
0, 0);
features->distance_fuzz, 0);
input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
input_abs_set_res(input_dev, ABS_Z, 287);
@ -2628,7 +2629,7 @@ int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
__set_bit(BTN_STYLUS2, input_dev->keybit);
input_set_abs_params(input_dev, ABS_DISTANCE, 0,
features->distance_max,
0, 0);
features->distance_fuzz, 0);
}
break;
case BAMBOO_PAD:

1
drivers/hid/wacom_wac.h
View File

@ -177,6 +177,7 @@ struct wacom_features {
int y_fuzz;
int pressure_fuzz;
int distance_fuzz;
int tilt_fuzz;
unsigned quirks;
unsigned touch_max;
int oVid;