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authorJiri Kosina <jkosina@suse.cz>2017-11-15 11:10:38 +0100
committerJiri Kosina <jkosina@suse.cz>2017-11-15 11:10:38 +0100
commit6ed7a70be54ef6148cbfce0d59d12d2aa41bbb23 (patch)
tree718281e0f03caaf45c3928fab322e60f7631a9bb
parentb50b9d3d21e0af1b8bda94d43c569593d45587af (diff)
parent7da85fbf1c87d4f73621e0e7666a3387497075a9 (diff)
downloadlinux-6ed7a70be54ef6148cbfce0d59d12d2aa41bbb23.tar.bz2
Merge branch 'for-4.15/upstream' into for-linus
- cp2112: GPIO error handling and Kconfig fixes from Sébastien Szymanski - i2c-hid: fixup / quirk for Apollo-Lake based laptops, from Hans de Goede - Input/Core: add eraser tool support, from Ping Cheng - small assorted code fixes Signed-off-by: Jiri Kosina <jkosina@suse.cz>
-rw-r--r--drivers/hid/Kconfig5
-rw-r--r--drivers/hid/hid-core.c2
-rw-r--r--drivers/hid/hid-cp2112.c10
-rw-r--r--drivers/hid/hid-ids.h3
-rw-r--r--drivers/hid/hid-input.c9
-rw-r--r--drivers/hid/i2c-hid/i2c-hid.c7
-rw-r--r--include/linux/hid.h1
7 files changed, 29 insertions, 8 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 374301fcbc86..779c5ae47f36 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -230,7 +230,7 @@ config HID_CMEDIA
config HID_CP2112
tristate "Silicon Labs CP2112 HID USB-to-SMBus Bridge support"
- depends on USB_HID && I2C && GPIOLIB
+ depends on USB_HID && HIDRAW && I2C && GPIOLIB
select GPIOLIB_IRQCHIP
---help---
Support for Silicon Labs CP2112 HID USB to SMBus Master Bridge.
@@ -750,11 +750,10 @@ config HID_PRIMAX
HID standard.
config HID_RETRODE
- tristate "Retrode"
+ tristate "Retrode 2 USB adapter for vintage video games"
depends on USB_HID
---help---
Support for
-
* Retrode 2 cartridge and controller adapter
config HID_ROCCAT
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index d3f983a4245a..f3fcb836a1f9 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1662,7 +1662,7 @@ static struct bin_attribute dev_bin_attr_report_desc = {
.size = HID_MAX_DESCRIPTOR_SIZE,
};
-static struct device_attribute dev_attr_country = {
+static const struct device_attribute dev_attr_country = {
.attr = { .name = "country", .mode = 0444 },
.show = show_country,
};
diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c
index 078026f63b6f..68cdc962265b 100644
--- a/drivers/hid/hid-cp2112.c
+++ b/drivers/hid/hid-cp2112.c
@@ -21,7 +21,7 @@
* Data Sheet:
* http://www.silabs.com/Support%20Documents/TechnicalDocs/CP2112.pdf
* Programming Interface Specification:
- * http://www.silabs.com/Support%20Documents/TechnicalDocs/AN495.pdf
+ * https://www.silabs.com/documents/public/application-notes/an495-cp2112-interface-specification.pdf
*/
#include <linux/gpio.h>
@@ -196,6 +196,8 @@ static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
HID_REQ_GET_REPORT);
if (ret != CP2112_GPIO_CONFIG_LENGTH) {
hid_err(hdev, "error requesting GPIO config: %d\n", ret);
+ if (ret >= 0)
+ ret = -EIO;
goto exit;
}
@@ -205,8 +207,10 @@ static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf,
CP2112_GPIO_CONFIG_LENGTH, HID_FEATURE_REPORT,
HID_REQ_SET_REPORT);
- if (ret < 0) {
+ if (ret != CP2112_GPIO_CONFIG_LENGTH) {
hid_err(hdev, "error setting GPIO config: %d\n", ret);
+ if (ret >= 0)
+ ret = -EIO;
goto exit;
}
@@ -214,7 +218,7 @@ static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
exit:
mutex_unlock(&dev->lock);
- return ret < 0 ? ret : -EIO;
+ return ret;
}
static void cp2112_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index c9f7c74b3b60..5da3d6256d25 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -513,6 +513,9 @@
#define USB_DEVICE_ID_GYRATION_REMOTE_2 0x0003
#define USB_DEVICE_ID_GYRATION_REMOTE_3 0x0008
+#define I2C_VENDOR_ID_HANTICK 0x0911
+#define I2C_PRODUCT_ID_HANTICK_5288 0x5288
+
#define USB_VENDOR_ID_HANWANG 0x0b57
#define USB_DEVICE_ID_HANWANG_TABLET_FIRST 0x5000
#define USB_DEVICE_ID_HANWANG_TABLET_LAST 0x8fff
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 199f6a01fc62..04d01b57d94c 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -797,6 +797,15 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
map_key_clear(BTN_STYLUS);
break;
+ case 0x45: /* ERASER */
+ /*
+ * This event is reported when eraser tip touches the surface.
+ * Actual eraser (BTN_TOOL_RUBBER) is set by Invert usage when
+ * tool gets in proximity.
+ */
+ map_key_clear(BTN_TOUCH);
+ break;
+
case 0x46: /* TabletPick */
case 0x5a: /* SecondaryBarrelSwitch */
map_key_clear(BTN_STYLUS2);
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index 9145c2129a96..e054ee43c1e2 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -46,6 +46,7 @@
/* quirks to control the device */
#define I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV BIT(0)
+#define I2C_HID_QUIRK_NO_IRQ_AFTER_RESET BIT(1)
/* flags */
#define I2C_HID_STARTED 0
@@ -168,6 +169,8 @@ static const struct i2c_hid_quirks {
I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV },
{ USB_VENDOR_ID_WEIDA, USB_DEVICE_ID_WEIDA_8755,
I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV },
+ { I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288,
+ I2C_HID_QUIRK_NO_IRQ_AFTER_RESET },
{ 0, 0 }
};
@@ -252,7 +255,9 @@ static int __i2c_hid_command(struct i2c_client *client,
ret = 0;
- if (wait) {
+ if (wait && (ihid->quirks & I2C_HID_QUIRK_NO_IRQ_AFTER_RESET)) {
+ msleep(100);
+ } else if (wait) {
i2c_hid_dbg(ihid, "%s: waiting...\n", __func__);
if (!wait_event_timeout(ihid->wait,
!test_bit(I2C_HID_RESET_PENDING, &ihid->flags),
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 47dd962d9a7a..d491027a7c22 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -754,6 +754,7 @@ struct hid_driver {
* @stop: called on remove
* @open: called by input layer on open
* @close: called by input layer on close
+ * @power: request underlying hardware to enter requested power mode
* @parse: this method is called only once to parse the device data,
* shouldn't allocate anything to not leak memory
* @request: send report request to device (e.g. feature report)