From: José Expósito jose.exposito89@gmail.com
[ Upstream commit 14b71e6ad8ca59dd734c7fa9676f3d60bddee2a9 ]
The report descriptor used to get information about UGEE v2 devices is incorrect in the XP-PEN Deco Pro SW. It indicates that the device frame is of type UCLOGIC_PARAMS_FRAME_BUTTONS but the device has a frame of type UCLOGIC_PARAMS_FRAME_MOUSE.
Here is the original report descriptor:
0x0e 0x03 0xc8 0xb3 0x34 0x65 0x08 0x00 0xff 0x1f 0xd8 0x13 0x00 0x00 ^ This byte should be 2
Add a quirk to be able to fix the reported frame type.
Tested-by: Mia Kanashi chad@redpilled.dev Tested-by: Andreas Grosse andig.mail@t-online.de Signed-off-by: José Expósito jose.exposito89@gmail.com Signed-off-by: Jiri Kosina jkosina@suse.cz Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/hid/hid-uclogic-core.c | 20 +------------------- drivers/hid/hid-uclogic-params.c | 5 +++++ drivers/hid/hid-uclogic-params.h | 23 +++++++++++++++++++++++ 3 files changed, 29 insertions(+), 19 deletions(-)
diff --git a/drivers/hid/hid-uclogic-core.c b/drivers/hid/hid-uclogic-core.c index cfbbc39807a69..739984b8fa1b8 100644 --- a/drivers/hid/hid-uclogic-core.c +++ b/drivers/hid/hid-uclogic-core.c @@ -22,25 +22,6 @@
#include "hid-ids.h"
-/* Driver data */ -struct uclogic_drvdata { - /* Interface parameters */ - struct uclogic_params params; - /* Pointer to the replacement report descriptor. NULL if none. */ - __u8 *desc_ptr; - /* - * Size of the replacement report descriptor. - * Only valid if desc_ptr is not NULL - */ - unsigned int desc_size; - /* Pen input device */ - struct input_dev *pen_input; - /* In-range timer */ - struct timer_list inrange_timer; - /* Last rotary encoder state, or U8_MAX for none */ - u8 re_state; -}; - /** * uclogic_inrange_timeout - handle pen in-range state timeout. * Emulate input events normally generated when pen goes out of range for @@ -202,6 +183,7 @@ static int uclogic_probe(struct hid_device *hdev, } timer_setup(&drvdata->inrange_timer, uclogic_inrange_timeout, 0); drvdata->re_state = U8_MAX; + drvdata->quirks = id->driver_data; hid_set_drvdata(hdev, drvdata);
/* Initialize the device and retrieve interface parameters */ diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c index 3c5eea3df3288..e052538a62fb3 100644 --- a/drivers/hid/hid-uclogic-params.c +++ b/drivers/hid/hid-uclogic-params.c @@ -1298,6 +1298,7 @@ static int uclogic_params_ugee_v2_init(struct uclogic_params *params, struct hid_device *hdev) { int rc = 0; + struct uclogic_drvdata *drvdata; struct usb_interface *iface; __u8 bInterfaceNumber; const int str_desc_len = 12; @@ -1316,6 +1317,7 @@ static int uclogic_params_ugee_v2_init(struct uclogic_params *params, goto cleanup; }
+ drvdata = hid_get_drvdata(hdev); iface = to_usb_interface(hdev->dev.parent); bInterfaceNumber = iface->cur_altsetting->desc.bInterfaceNumber;
@@ -1382,6 +1384,9 @@ static int uclogic_params_ugee_v2_init(struct uclogic_params *params, p.pen.subreport_list[0].id = UCLOGIC_RDESC_V1_FRAME_ID;
/* Initialize the frame interface */ + if (drvdata->quirks & UCLOGIC_MOUSE_FRAME_QUIRK) + frame_type = UCLOGIC_PARAMS_FRAME_MOUSE; + switch (frame_type) { case UCLOGIC_PARAMS_FRAME_DIAL: case UCLOGIC_PARAMS_FRAME_MOUSE: diff --git a/drivers/hid/hid-uclogic-params.h b/drivers/hid/hid-uclogic-params.h index a97477c02ff82..10a05c7fd9398 100644 --- a/drivers/hid/hid-uclogic-params.h +++ b/drivers/hid/hid-uclogic-params.h @@ -19,6 +19,8 @@ #include <linux/usb.h> #include <linux/hid.h>
+#define UCLOGIC_MOUSE_FRAME_QUIRK BIT(0) + /* Types of pen in-range reporting */ enum uclogic_params_pen_inrange { /* Normal reports: zero - out of proximity, one - in proximity */ @@ -215,6 +217,27 @@ struct uclogic_params { struct uclogic_params_frame frame_list[3]; };
+/* Driver data */ +struct uclogic_drvdata { + /* Interface parameters */ + struct uclogic_params params; + /* Pointer to the replacement report descriptor. NULL if none. */ + __u8 *desc_ptr; + /* + * Size of the replacement report descriptor. + * Only valid if desc_ptr is not NULL + */ + unsigned int desc_size; + /* Pen input device */ + struct input_dev *pen_input; + /* In-range timer */ + struct timer_list inrange_timer; + /* Last rotary encoder state, or U8_MAX for none */ + u8 re_state; + /* Device quirks */ + unsigned long quirks; +}; + /* Initialize a tablet interface and discover its parameters */ extern int uclogic_params_init(struct uclogic_params *params, struct hid_device *hdev);