All normal devices that correctly conform to the HID specs are handled by the hid-input driver. However, for non-standard drivers we often don't want hid-input to handle them but rather use specific hid drivers. But hid_connect() requires at least one generic driver to claim the devices. As hid_hw_start() calls hid_connect() we currently use an ugly workaround by adding HID_CLAIMED_INPUT to hid->claimed and clear it after hid_hw_start() again (see hid-picolcd.c for examples).
This adds the HID_CLAIMED_OTHER flag which can be set by device drivers to tell the hid-core that they handle the device without the need of any generic driver like hidinput, hiddev or hidraw. Signed-off-by: David Herrmann <[email protected]> --- drivers/hid/hid-core.c | 2 ++ include/linux/hid.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 9cdc74e..2039f32 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1391,6 +1391,8 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask) if (hdev->claimed & HID_CLAIMED_HIDRAW) len += sprintf(buf + len, "%shidraw%d", len ? "," : "", ((struct hidraw *)hdev->hidraw)->minor); + if (hdev->claimed & HID_CLAIMED_OTHER) + len += sprintf(buf + len, "%sother", len ? "," : ""); type = "Device"; for (i = 0; i < hdev->maxcollection; i++) { diff --git a/include/linux/hid.h b/include/linux/hid.h index 449fa38..26b336a 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -452,6 +452,7 @@ struct hid_output_fifo { #define HID_CLAIMED_INPUT 1 #define HID_CLAIMED_HIDDEV 2 #define HID_CLAIMED_HIDRAW 4 +#define HID_CLAIMED_OTHER 8 #define HID_STAT_ADDED 1 #define HID_STAT_PARSED 2 -- 1.7.11.2 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
