diff options
Diffstat (limited to 'drivers/hid/i2c-hid/i2c-hid.c')
| -rw-r--r-- | drivers/hid/i2c-hid/i2c-hid.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c index 7230243b94d3..cc33622253aa 100644 --- a/drivers/hid/i2c-hid/i2c-hid.c +++ b/drivers/hid/i2c-hid/i2c-hid.c @@ -47,6 +47,7 @@ /* 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) +#define I2C_HID_QUIRK_RESEND_REPORT_DESCR BIT(2) /* flags */ #define I2C_HID_STARTED 0 @@ -144,10 +145,10 @@ struct i2c_hid { * register of the HID * descriptor. */ unsigned int bufsize; /* i2c buffer size */ - char *inbuf; /* Input buffer */ - char *rawbuf; /* Raw Input buffer */ - char *cmdbuf; /* Command buffer */ - char *argsbuf; /* Command arguments buffer */ + u8 *inbuf; /* Input buffer */ + u8 *rawbuf; /* Raw Input buffer */ + u8 *cmdbuf; /* Command buffer */ + u8 *argsbuf; /* Command arguments buffer */ unsigned long flags; /* device flags */ unsigned long quirks; /* Various quirks */ @@ -171,6 +172,10 @@ static const struct i2c_hid_quirks { I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV }, { I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288, I2C_HID_QUIRK_NO_IRQ_AFTER_RESET }, + { I2C_VENDOR_ID_RAYD, I2C_PRODUCT_ID_RAYD_3118, + I2C_HID_QUIRK_RESEND_REPORT_DESCR }, + { USB_VENDOR_ID_SIS_TOUCH, USB_DEVICE_ID_SIS10FB_TOUCH, + I2C_HID_QUIRK_RESEND_REPORT_DESCR }, { 0, 0 } }; @@ -455,7 +460,8 @@ out_unlock: static void i2c_hid_get_input(struct i2c_hid *ihid) { - int ret, ret_size; + int ret; + u32 ret_size; int size = le16_to_cpu(ihid->hdesc.wMaxInputLength); if (size > ihid->bufsize) @@ -480,7 +486,7 @@ static void i2c_hid_get_input(struct i2c_hid *ihid) return; } - if (ret_size > size) { + if ((ret_size > size) || (ret_size <= 2)) { dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n", __func__, size, ret_size); return; @@ -891,10 +897,10 @@ static int i2c_hid_acpi_pdata(struct i2c_client *client, static void i2c_hid_acpi_fix_up_power(struct device *dev) { - acpi_handle handle = ACPI_HANDLE(dev); struct acpi_device *adev; - if (handle && acpi_bus_get_device(handle, &adev) == 0) + adev = ACPI_COMPANION(dev); + if (adev) acpi_device_fix_up_power(adev); } @@ -1219,6 +1225,16 @@ static int i2c_hid_resume(struct device *dev) if (ret) return ret; + /* RAYDIUM device (2386:3118) need to re-send report descr cmd + * after resume, after this it will be back normal. + * otherwise it issues too many incomplete reports. + */ + if (ihid->quirks & I2C_HID_QUIRK_RESEND_REPORT_DESCR) { + ret = i2c_hid_command(client, &hid_report_descr_cmd, NULL, 0); + if (ret) + return ret; + } + if (hid->driver && hid->driver->reset_resume) { ret = hid->driver->reset_resume(hid); return ret; |