Commit 300c64d7 authored by NOGUCHI Hiroshi's avatar NOGUCHI Hiroshi Committed by Jiri Kosina
Browse files

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: default avatarNOGUCHI Hiroshi <drvlabo@gmail.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent d47e3da1

drivers/hid/hid-asus.c

+38 −16
Original line number Diff line number Diff line
@@ -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 */