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HID: hid-asus: Add Transbook T90CHI support 

Add Transbook T90CHI support into hid-asus.

T90CHI returns same BT vendor/product values as T100CHI, so identifies T90CHI
by name.

Signed-off-by: NOGUCHI Hiroshi <drvlabo@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
NOGUCHI Hiroshi 2019-01-29 13:23:20 +09:00 committed by Jiri Kosina
parent d47e3da175
commit 300c64d7f6
1 changed files with 37 additions and 15 deletions
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46
drivers/hid/hid-asus.c
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@ -71,6 +71,7 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
#define QUIRK_T100CHI BIT(7)
#define QUIRK_G752_KEYBOARD BIT(8)
#define QUIRK_T101HA_DOCK BIT(9)
#define QUIRK_T90CHI BIT(10)
#define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
QUIRK_NO_INIT_REPORTS | \
@ -500,7 +501,7 @@ static int asus_input_mapping(struct hid_device *hdev,
* This avoids a bunch of non-functional hid_input devices getting
* created because of the T100CHI using HID_QUIRK_MULTI_INPUT.
*/
if (drvdata->quirks & QUIRK_T100CHI) {
if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
if (field->application == (HID_UP_GENDESK | 0x0080) ||
usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
@ -660,6 +661,11 @@ static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
drvdata->quirks = id->driver_data;
if (strstr(hdev->name, "T90CHI")) {
drvdata->quirks &= ~QUIRK_T100CHI;
drvdata->quirks |= QUIRK_T90CHI;
}
if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
drvdata->tp = &asus_i2c_tp;
@ -769,28 +775,44 @@ static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n");
rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT;
}
/* For the T100CHI keyboard dock */
if (drvdata->quirks & QUIRK_T100CHI &&
*rsize == 403 && rdesc[388] == 0x09 && rdesc[389] == 0x76) {
/* For the T100CHI/T90CHI keyboard dock */
if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
int rsize_orig;
int offs;
if (drvdata->quirks & QUIRK_T100CHI) {
rsize_orig = 403;
offs = 388;
} else {
rsize_orig = 306;
offs = 291;
}
/*
* Change Usage (76h) to Usage Minimum (00h), Usage Maximum
* (FFh) and clear the flags in the Input() byte.
* Note the descriptor has a bogus 0 byte at the end so we
* only need 1 extra byte.
*/
*rsize = 404;
if (*rsize == rsize_orig &&
rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) {
*rsize = rsize_orig + 1;
rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL);
if (!rdesc)
return NULL;
hid_info(hdev, "Fixing up T100CHI keyb report descriptor\n");
memmove(rdesc + 392, rdesc + 390, 12);
rdesc[388] = 0x19;
rdesc[389] = 0x00;
rdesc[390] = 0x29;
rdesc[391] = 0xff;
rdesc[402] = 0x00;
hid_info(hdev, "Fixing up %s keyb report descriptor\n",
drvdata->quirks & QUIRK_T100CHI ?
"T100CHI" : "T90CHI");
memmove(rdesc + offs + 4, rdesc + offs + 2, 12);
rdesc[offs] = 0x19;
rdesc[offs + 1] = 0x00;
rdesc[offs + 2] = 0x29;
rdesc[offs + 3] = 0xff;
rdesc[offs + 14] = 0x00;
}
}
if (drvdata->quirks & QUIRK_G752_KEYBOARD &&
*rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) {
/* report is missing usage mninum and maximum */