Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

HID: quirks: Add HID_QUIRK_NO_INIT_REPORTS quirk for Dell K12A keyboard-dock

Add a HID_QUIRK_NO_INIT_REPORTS quirk for the Dell K12A keyboard-dock,
which can be used with various Dell Venue 11 models.

Without this quirk the keyboard/touchpad combo works fine when connected
at boot, but when hotplugged 9 out of 10 times it will not work properly.
Adding the quirk fixes this.

Cc: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

authored by

Hans de Goede and committed by
Jiri Kosina
1e189f26 2465f0d5

+2
+1
drivers/hid/hid-ids.h
··· 1116 1116 #define USB_DEVICE_ID_SYNAPTICS_LTS2 0x1d10 1117 1117 #define USB_DEVICE_ID_SYNAPTICS_HD 0x0ac3 1118 1118 #define USB_DEVICE_ID_SYNAPTICS_QUAD_HD 0x1ac3 1119 + #define USB_DEVICE_ID_SYNAPTICS_DELL_K12A 0x2819 1119 1120 #define USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5_012 0x2968 1120 1121 #define USB_DEVICE_ID_SYNAPTICS_TP_V103 0x5710 1121 1122 #define USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5 0x81a7
+1
drivers/hid/hid-quirks.c
··· 163 163 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_LTS2), HID_QUIRK_NO_INIT_REPORTS }, 164 164 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_QUAD_HD), HID_QUIRK_NO_INIT_REPORTS }, 165 165 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP_V103), HID_QUIRK_NO_INIT_REPORTS }, 166 + { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DELL_K12A), HID_QUIRK_NO_INIT_REPORTS }, 166 167 { HID_USB_DEVICE(USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD), HID_QUIRK_BADPAD }, 167 168 { HID_USB_DEVICE(USB_VENDOR_ID_TOUCHPACK, USB_DEVICE_ID_TOUCHPACK_RTS), HID_QUIRK_MULTI_INPUT }, 168 169 { HID_USB_DEVICE(USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN_8882), HID_QUIRK_NOGET },