2019-10-11 17:49:19

by Mazin Rezk

[permalink] [raw]
Subject: [PATCH v5 2/2] HID: logitech: Support WirelessDeviceStatus connect events

This patch allows WirelessDeviceStatus (0x1d4b) events to be detected as
connection events in the hid-logitech-hidpp module.

Devices with HIDPP_QUIRK_WIRELESS_DEVICE_STATUS use WirelessDeviceStatus
instead of traditional connect events. Since all Bluetooth LE devices seem
to act this way, HIDPP_QUIRK_CLASS_BLUETOOTH_LE aliases this quirk.

Signed-off-by: Mazin Rezk <[email protected]>
---
drivers/hid/hid-logitech-hidpp.c | 42 ++++++++++++++++++++++++++++----
1 file changed, 37 insertions(+), 5 deletions(-)

diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index 3692fb883602..0dfa9b22b536 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -72,6 +72,7 @@ MODULE_PARM_DESC(disable_tap_to_click,
#define HIDPP_QUIRK_HIDPP_EXTRA_MOUSE_BTNS BIT(30)
#define HIDPP_QUIRK_HIDPP_CONSUMER_VENDOR_KEYS BIT(31)
#define HIDPP_QUIRK_MISSING_SHORT_REPORTS BIT(32)
+#define HIDPP_QUIRK_WIRELESS_DEVICE_STATUS BIT(33)

/* These are just aliases for now */
#define HIDPP_QUIRK_KBD_SCROLL_WHEEL HIDPP_QUIRK_HIDPP_WHEELS
@@ -82,7 +83,8 @@ MODULE_PARM_DESC(disable_tap_to_click,
HIDPP_QUIRK_HI_RES_SCROLL_X2120 | \
HIDPP_QUIRK_HI_RES_SCROLL_X2121)

-#define HIDPP_QUIRK_CLASS_BLUETOOTH_LE HIDPP_QUIRK_MISSING_SHORT_REPORTS
+#define HIDPP_QUIRK_CLASS_BLUETOOTH_LE (HIDPP_QUIRK_MISSING_SHORT_REPORTS | \
+ HIDPP_QUIRK_WIRELESS_DEVICE_STATUS)

#define HIDPP_QUIRK_DELAYED_INIT HIDPP_QUIRK_NO_HIDINPUT

@@ -189,6 +191,8 @@ struct hidpp_device {

struct hidpp_battery battery;
struct hidpp_scroll_counter vertical_wheel_counter;
+
+ u8 wireless_feature_index;
};

/* HID++ 1.0 error codes */
@@ -402,10 +406,14 @@ static inline bool hidpp_match_error(struct hidpp_report *question,
(answer->fap.params[0] == question->fap.funcindex_clientid);
}

-static inline bool hidpp_report_is_connect_event(struct hidpp_report *report)
+static inline bool hidpp_report_is_connect_event(struct hidpp_device *hidpp,
+ struct hidpp_report *report)
{
- return (report->report_id == REPORT_ID_HIDPP_SHORT) &&
- (report->rap.sub_id == 0x41);
+ return ((hidpp->quirks & HIDPP_QUIRK_WIRELESS_DEVICE_STATUS) &&
+ (report->fap.feature_index == hidpp->wireless_feature_index)) ||
+ (((report->report_id == REPORT_ID_HIDPP_SHORT) ||
+ (hidpp->quirks & HIDPP_QUIRK_MISSING_SHORT_REPORTS)) &&
+ (report->rap.sub_id == 0x41));
}

/**
@@ -1282,6 +1290,24 @@ static int hidpp_battery_get_property(struct power_supply *psy,
return ret;
}

+/* -------------------------------------------------------------------------- */
+/* 0x1d4b: Wireless device status */
+/* -------------------------------------------------------------------------- */
+#define HIDPP_PAGE_WIRELESS_DEVICE_STATUS 0x1d4b
+
+static int hidpp_set_wireless_feature_index(struct hidpp_device *hidpp)
+{
+ u8 feature_type;
+ int ret;
+
+ ret = hidpp_root_get_feature(hidpp,
+ HIDPP_PAGE_WIRELESS_DEVICE_STATUS,
+ &hidpp->wireless_feature_index,
+ &feature_type);
+
+ return ret;
+}
+
/* -------------------------------------------------------------------------- */
/* 0x2120: Hi-resolution scrolling */
/* -------------------------------------------------------------------------- */
@@ -3077,7 +3103,7 @@ static int hidpp_raw_hidpp_event(struct hidpp_device *hidpp, u8 *data,
}
}

- if (unlikely(hidpp_report_is_connect_event(report))) {
+ if (unlikely(hidpp_report_is_connect_event(hidpp, report))) {
atomic_set(&hidpp->connected,
!(report->rap.params[0] & (1 << 6)));
if (schedule_work(&hidpp->work) == 0)
@@ -3624,6 +3650,12 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id)
hidpp_overwrite_name(hdev);
}

+ if (connected && (hidpp->quirks & HIDPP_QUIRK_WIRELESS_DEVICE_STATUS)) {
+ ret = hidpp_set_wireless_feature_index(hidpp);
+ if (ret)
+ goto hid_hw_init_fail;
+ }
+
if (connected && (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP)) {
ret = wtp_get_config(hidpp);
if (ret)
--
2.23.0


2019-10-14 03:50:44

by kernel test robot

[permalink] [raw]
Subject: Re: [PATCH v5 2/2] HID: logitech: Support WirelessDeviceStatus connect events

Hi Mazin,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[cannot apply to v5.4-rc2 next-20191010]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url: https://github.com/0day-ci/linux/commits/Mazin-Rezk/HID-logitech-Add-MX-Master-over-Bluetooth/20191014-071534
config: mips-allmodconfig (attached as .config)
compiler: mips-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=mips

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <[email protected]>

All warnings (new ones prefixed by >>):

In file included from include/linux/ioport.h:15:0,
from include/linux/device.h:15,
from drivers/hid/hid-logitech-hidpp.c:13:
drivers/hid/hid-logitech-hidpp.c: In function 'hidpp_send_rap_command_sync':
include/linux/bits.h:8:26: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (UL(1) << (nr))
^
drivers/hid/hid-logitech-hidpp.c:74:43: note: in expansion of macro 'BIT'
#define HIDPP_QUIRK_MISSING_SHORT_REPORTS BIT(32)
^~~
drivers/hid/hid-logitech-hidpp.c:351:26: note: in expansion of macro 'HIDPP_QUIRK_MISSING_SHORT_REPORTS'
if (hidpp_dev->quirks & HIDPP_QUIRK_MISSING_SHORT_REPORTS &&
^
drivers/hid/hid-logitech-hidpp.c: In function 'hidpp_report_is_connect_event':
include/linux/bits.h:8:26: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (UL(1) << (nr))
^
drivers/hid/hid-logitech-hidpp.c:75:44: note: in expansion of macro 'BIT'
#define HIDPP_QUIRK_WIRELESS_DEVICE_STATUS BIT(33)
^~~
>> drivers/hid/hid-logitech-hidpp.c:412:27: note: in expansion of macro 'HIDPP_QUIRK_WIRELESS_DEVICE_STATUS'
return ((hidpp->quirks & HIDPP_QUIRK_WIRELESS_DEVICE_STATUS) &&
^
include/linux/bits.h:8:26: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (UL(1) << (nr))
^
drivers/hid/hid-logitech-hidpp.c:74:43: note: in expansion of macro 'BIT'
#define HIDPP_QUIRK_MISSING_SHORT_REPORTS BIT(32)
^~~
drivers/hid/hid-logitech-hidpp.c:415:20: note: in expansion of macro 'HIDPP_QUIRK_MISSING_SHORT_REPORTS'
(hidpp->quirks & HIDPP_QUIRK_MISSING_SHORT_REPORTS)) &&
^
drivers/hid/hid-logitech-hidpp.c: In function 'hidpp_validate_device':
include/linux/bits.h:8:26: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (UL(1) << (nr))
^
drivers/hid/hid-logitech-hidpp.c:74:43: note: in expansion of macro 'BIT'
#define HIDPP_QUIRK_MISSING_SHORT_REPORTS BIT(32)
^~~
drivers/hid/hid-logitech-hidpp.c:3522:22: note: in expansion of macro 'HIDPP_QUIRK_MISSING_SHORT_REPORTS'
if (hidpp->quirks & HIDPP_QUIRK_MISSING_SHORT_REPORTS)
^
drivers/hid/hid-logitech-hidpp.c: In function 'hidpp_probe':
include/linux/bits.h:8:26: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (UL(1) << (nr))
^
drivers/hid/hid-logitech-hidpp.c:75:44: note: in expansion of macro 'BIT'
#define HIDPP_QUIRK_WIRELESS_DEVICE_STATUS BIT(33)
^~~
drivers/hid/hid-logitech-hidpp.c:3653:36: note: in expansion of macro 'HIDPP_QUIRK_WIRELESS_DEVICE_STATUS'
if (connected && (hidpp->quirks & HIDPP_QUIRK_WIRELESS_DEVICE_STATUS)) {
^
drivers/hid/hid-logitech-hidpp.c: At top level:
include/linux/bits.h:8:26: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (UL(1) << (nr))
^
drivers/hid/hid-logitech-hidpp.c:74:43: note: in expansion of macro 'BIT'
#define HIDPP_QUIRK_MISSING_SHORT_REPORTS BIT(32)
^~~
drivers/hid/hid-logitech-hidpp.c:86:41: note: in expansion of macro 'HIDPP_QUIRK_MISSING_SHORT_REPORTS'
#define HIDPP_QUIRK_CLASS_BLUETOOTH_LE (HIDPP_QUIRK_MISSING_SHORT_REPORTS | \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-logitech-hidpp.c:3826:5: note: in expansion of macro 'HIDPP_QUIRK_CLASS_BLUETOOTH_LE'
HIDPP_QUIRK_CLASS_BLUETOOTH_LE },
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bits.h:8:26: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (UL(1) << (nr))
^
drivers/hid/hid-logitech-hidpp.c:75:44: note: in expansion of macro 'BIT'
#define HIDPP_QUIRK_WIRELESS_DEVICE_STATUS BIT(33)
^~~
drivers/hid/hid-logitech-hidpp.c:87:7: note: in expansion of macro 'HIDPP_QUIRK_WIRELESS_DEVICE_STATUS'
HIDPP_QUIRK_WIRELESS_DEVICE_STATUS)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-logitech-hidpp.c:3826:5: note: in expansion of macro 'HIDPP_QUIRK_CLASS_BLUETOOTH_LE'
HIDPP_QUIRK_CLASS_BLUETOOTH_LE },
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bits.h:8:26: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (UL(1) << (nr))
^
drivers/hid/hid-logitech-hidpp.c:74:43: note: in expansion of macro 'BIT'
#define HIDPP_QUIRK_MISSING_SHORT_REPORTS BIT(32)
^~~
drivers/hid/hid-logitech-hidpp.c:86:41: note: in expansion of macro 'HIDPP_QUIRK_MISSING_SHORT_REPORTS'
#define HIDPP_QUIRK_CLASS_BLUETOOTH_LE (HIDPP_QUIRK_MISSING_SHORT_REPORTS | \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-logitech-hidpp.c:3829:5: note: in expansion of macro 'HIDPP_QUIRK_CLASS_BLUETOOTH_LE'
HIDPP_QUIRK_CLASS_BLUETOOTH_LE },
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/bits.h:8:26: warning: left shift count >= width of type [-Wshift-count-overflow]
#define BIT(nr) (UL(1) << (nr))
^
drivers/hid/hid-logitech-hidpp.c:75:44: note: in expansion of macro 'BIT'
#define HIDPP_QUIRK_WIRELESS_DEVICE_STATUS BIT(33)
^~~
drivers/hid/hid-logitech-hidpp.c:87:7: note: in expansion of macro 'HIDPP_QUIRK_WIRELESS_DEVICE_STATUS'
HIDPP_QUIRK_WIRELESS_DEVICE_STATUS)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/hid/hid-logitech-hidpp.c:3829:5: note: in expansion of macro 'HIDPP_QUIRK_CLASS_BLUETOOTH_LE'
HIDPP_QUIRK_CLASS_BLUETOOTH_LE },
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/HIDPP_QUIRK_WIRELESS_DEVICE_STATUS +412 drivers/hid/hid-logitech-hidpp.c

408
409 static inline bool hidpp_report_is_connect_event(struct hidpp_device *hidpp,
410 struct hidpp_report *report)
411 {
> 412 return ((hidpp->quirks & HIDPP_QUIRK_WIRELESS_DEVICE_STATUS) &&
413 (report->fap.feature_index == hidpp->wireless_feature_index)) ||
414 (((report->report_id == REPORT_ID_HIDPP_SHORT) ||
415 (hidpp->quirks & HIDPP_QUIRK_MISSING_SHORT_REPORTS)) &&
416 (report->rap.sub_id == 0x41));
417 }
418

---
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