From 580a7e82f08c38837dbe08374d649329d3de698b Mon Sep 17 00:00:00 2001 From: Benjamin Tissoires Date: Thu, 3 Sep 2015 09:08:29 -0400 Subject: [PATCH] HID: logitech-hidpp: split HIDPP_QUIRK_DELAYED_INIT in two HIDPP_QUIRK_DELAYED_INIT means two things currently: - we want to delay the initialization process - we do not want hid to create an input device based on the report descriptor. This should actually be 2 different quirks so we can have special connect events while still having HID creating the input for us. Signed-off-by: Benjamin Tissoires Signed-off-by: Jiri Kosina --- drivers/hid/hid-logitech-hidpp.c | 26 +++++++++++++++++--------- 1 file changed, 17 insertions(+), 9 deletions(-) diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index 4841964..81d1bc0 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -43,8 +43,12 @@ MODULE_PARM_DESC(disable_raw_mode, #define HIDPP_QUIRK_CLASS_M560 BIT(1) /* bits 2..20 are reserved for classes */ -#define HIDPP_QUIRK_DELAYED_INIT BIT(21) +#define HIDPP_QUIRK_CONNECT_EVENTS BIT(21) #define HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS BIT(22) +#define HIDPP_QUIRK_NO_HIDINPUT BIT(23) + +#define HIDPP_QUIRK_DELAYED_INIT (HIDPP_QUIRK_NO_HIDINPUT | \ + HIDPP_QUIRK_CONNECT_EVENTS) /* * There are two hidpp protocols in use, the first version hidpp10 is known @@ -1203,7 +1207,7 @@ static int hidpp_raw_hidpp_event(struct hidpp_device *hidpp, u8 *data, if (unlikely(hidpp_report_is_connect_event(report))) { atomic_set(&hidpp->connected, !(report->rap.params[0] & (1 << 6))); - if ((hidpp->quirks & HIDPP_QUIRK_DELAYED_INIT) && + if ((hidpp->quirks & HIDPP_QUIRK_CONNECT_EVENTS) && (schedule_work(&hidpp->work) == 0)) dbg_hid("%s: connect event already queued\n", __func__); return 1; @@ -1333,18 +1337,21 @@ static void hidpp_connect_event(struct hidpp_device *hidpp) if (!connected || hidpp->delayed_input) return; + /* the device is already connected, we can ask for its name and + * protocol */ if (!hidpp->protocol_major) { ret = !hidpp_is_connected(hidpp); if (ret) { hid_err(hdev, "Can not get the protocol version.\n"); return; } + hid_info(hdev, "HID++ %u.%u device connected.\n", + hidpp->protocol_major, hidpp->protocol_minor); } - /* the device is already connected, we can ask for its name and - * protocol */ - hid_info(hdev, "HID++ %u.%u device connected.\n", - hidpp->protocol_major, hidpp->protocol_minor); + if (!(hidpp->quirks & HIDPP_QUIRK_NO_HIDINPUT)) + /* if HID created the input nodes for us, we can stop now */ + return; if (!hidpp->name || hidpp->name == hdev->name) { name = hidpp_get_device_name(hidpp); @@ -1397,7 +1404,8 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) if (disable_raw_mode) { hidpp->quirks &= ~HIDPP_QUIRK_CLASS_WTP; - hidpp->quirks &= ~HIDPP_QUIRK_DELAYED_INIT; + hidpp->quirks &= ~HIDPP_QUIRK_CONNECT_EVENTS; + hidpp->quirks &= ~HIDPP_QUIRK_NO_HIDINPUT; } if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP) { @@ -1448,7 +1456,7 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) /* Block incoming packets */ hid_device_io_stop(hdev); - if (hidpp->quirks & HIDPP_QUIRK_DELAYED_INIT) + if (hidpp->quirks & HIDPP_QUIRK_NO_HIDINPUT) connect_mask &= ~HID_CONNECT_HIDINPUT; ret = hid_hw_start(hdev, connect_mask); @@ -1457,7 +1465,7 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) goto hid_hw_start_fail; } - if (hidpp->quirks & HIDPP_QUIRK_DELAYED_INIT) { + if (hidpp->quirks & HIDPP_QUIRK_CONNECT_EVENTS) { /* Allow incoming packets */ hid_device_io_start(hdev); -- 2.7.4