diff options
| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2020-05-12 12:18:21 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2020-05-12 12:18:21 -0700 |
| commit | 0fdc50dfab47d525b71a9f0d8310746cdc0c09c5 (patch) | |
| tree | 42f5f09f2c8677389136541815394b76fba07600 /drivers/hid/i2c-hid/i2c-hid-core.c | |
| parent | Input: add driver for the Cypress CY8CTMA140 touchscreen (diff) | |
| parent | Linux 5.6 (diff) | |
| download | linux-dev-0fdc50dfab47d525b71a9f0d8310746cdc0c09c5.tar.xz linux-dev-0fdc50dfab47d525b71a9f0d8310746cdc0c09c5.zip | |
Merge tag 'v5.6' into next
Sync up with mainline to get device tree and other changes.
Diffstat (limited to 'drivers/hid/i2c-hid/i2c-hid-core.c')
| -rw-r--r-- | drivers/hid/i2c-hid/i2c-hid-core.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index a358e61fbc82..009000c5d55c 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -49,6 +49,8 @@ #define I2C_HID_QUIRK_NO_IRQ_AFTER_RESET BIT(1) #define I2C_HID_QUIRK_BOGUS_IRQ BIT(4) #define I2C_HID_QUIRK_RESET_ON_RESUME BIT(5) +#define I2C_HID_QUIRK_BAD_INPUT_SIZE BIT(6) + /* flags */ #define I2C_HID_STARTED 0 @@ -175,6 +177,8 @@ static const struct i2c_hid_quirks { I2C_HID_QUIRK_BOGUS_IRQ }, { USB_VENDOR_ID_ALPS_JP, HID_ANY_ID, I2C_HID_QUIRK_RESET_ON_RESUME }, + { USB_VENDOR_ID_ITE, I2C_DEVICE_ID_ITE_LENOVO_LEGION_Y720, + I2C_HID_QUIRK_BAD_INPUT_SIZE }, { 0, 0 } }; @@ -496,9 +500,15 @@ static void i2c_hid_get_input(struct i2c_hid *ihid) } if ((ret_size > size) || (ret_size < 2)) { - dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n", - __func__, size, ret_size); - return; + if (ihid->quirks & I2C_HID_QUIRK_BAD_INPUT_SIZE) { + ihid->inbuf[0] = size & 0xff; + ihid->inbuf[1] = size >> 8; + ret_size = size; + } else { + dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n", + __func__, size, ret_size); + return; + } } i2c_hid_dbg(ihid, "input: %*ph\n", ret_size, ihid->inbuf); |