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-rw-r--r--drivers/input/mouse/elantech.c28
-rw-r--r--drivers/input/mouse/elantech.h11
2 files changed, 13 insertions, 26 deletions
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index da161dae3502..cd8e2e5ced86 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -273,11 +273,11 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse)
273 struct elantech_data *etd = psmouse->private; 273 struct elantech_data *etd = psmouse->private;
274 struct input_dev *dev = psmouse->dev; 274 struct input_dev *dev = psmouse->dev;
275 unsigned char *packet = psmouse->packet; 275 unsigned char *packet = psmouse->packet;
276 unsigned int fingers, x1 = 0, y1 = 0, x2 = 0, y2 = 0, width = 0, pres = 0; 276 unsigned int fingers, x1 = 0, y1 = 0, x2 = 0, y2 = 0;
277 unsigned int width = 0, pres = 0;
277 278
278 /* byte 0: n1 n0 . . . . R L */ 279 /* byte 0: n1 n0 . . . . R L */
279 fingers = (packet[0] & 0xc0) >> 6; 280 fingers = (packet[0] & 0xc0) >> 6;
280 input_report_key(dev, BTN_TOUCH, fingers != 0);
281 281
282 switch (fingers) { 282 switch (fingers) {
283 case 3: 283 case 3:
@@ -300,9 +300,6 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse)
300 */ 300 */
301 y1 = ETP_YMAX_V2 - (((packet[4] & 0x0f) << 8) | packet[5]); 301 y1 = ETP_YMAX_V2 - (((packet[4] & 0x0f) << 8) | packet[5]);
302 302
303 input_report_abs(dev, ABS_X, x1);
304 input_report_abs(dev, ABS_Y, y1);
305
306 pres = (packet[1] & 0xf0) | ((packet[4] & 0xf0) >> 4); 303 pres = (packet[1] & 0xf0) | ((packet[4] & 0xf0) >> 4);
307 width = ((packet[0] & 0x30) >> 2) | ((packet[3] & 0x30) >> 4); 304 width = ((packet[0] & 0x30) >> 2) | ((packet[3] & 0x30) >> 4);
308 break; 305 break;
@@ -314,22 +311,18 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse)
314 * byte 0: . . ay8 ax8 . . . . 311 * byte 0: . . ay8 ax8 . . . .
315 * byte 1: ax7 ax6 ax5 ax4 ax3 ax2 ax1 ax0 312 * byte 1: ax7 ax6 ax5 ax4 ax3 ax2 ax1 ax0
316 */ 313 */
317 x1 = ((packet[0] & 0x10) << 4) | packet[1]; 314 x1 = (((packet[0] & 0x10) << 4) | packet[1]) << 2;
318 /* byte 2: ay7 ay6 ay5 ay4 ay3 ay2 ay1 ay0 */ 315 /* byte 2: ay7 ay6 ay5 ay4 ay3 ay2 ay1 ay0 */
319 y1 = ETP_2FT_YMAX - (((packet[0] & 0x20) << 3) | packet[2]); 316 y1 = ETP_YMAX_V2 -
317 ((((packet[0] & 0x20) << 3) | packet[2]) << 2);
320 /* 318 /*
321 * byte 3: . . by8 bx8 . . . . 319 * byte 3: . . by8 bx8 . . . .
322 * byte 4: bx7 bx6 bx5 bx4 bx3 bx2 bx1 bx0 320 * byte 4: bx7 bx6 bx5 bx4 bx3 bx2 bx1 bx0
323 */ 321 */
324 x2 = ((packet[3] & 0x10) << 4) | packet[4]; 322 x2 = (((packet[3] & 0x10) << 4) | packet[4]) << 2;
325 /* byte 5: by7 by8 by5 by4 by3 by2 by1 by0 */ 323 /* byte 5: by7 by8 by5 by4 by3 by2 by1 by0 */
326 y2 = ETP_2FT_YMAX - (((packet[3] & 0x20) << 3) | packet[5]); 324 y2 = ETP_YMAX_V2 -
327 /* 325 ((((packet[3] & 0x20) << 3) | packet[5]) << 2);
328 * For compatibility with the X Synaptics driver scale up
329 * one coordinate and report as ordinary mouse movent
330 */
331 input_report_abs(dev, ABS_X, x1 << 2);
332 input_report_abs(dev, ABS_Y, y1 << 2);
333 326
334 /* Unknown so just report sensible values */ 327 /* Unknown so just report sensible values */
335 pres = 127; 328 pres = 127;
@@ -337,6 +330,11 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse)
337 break; 330 break;
338 } 331 }
339 332
333 input_report_key(dev, BTN_TOUCH, fingers != 0);
334 if (fingers != 0) {
335 input_report_abs(dev, ABS_X, x1);
336 input_report_abs(dev, ABS_Y, y1);
337 }
340 elantech_report_semi_mt_data(dev, fingers, x1, y1, x2, y2); 338 elantech_report_semi_mt_data(dev, fingers, x1, y1, x2, y2);
341 input_report_key(dev, BTN_TOOL_FINGER, fingers == 1); 339 input_report_key(dev, BTN_TOOL_FINGER, fingers == 1);
342 input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2); 340 input_report_key(dev, BTN_TOOL_DOUBLETAP, fingers == 2);
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index fabb2b99615c..1c5894efda5a 100644
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -82,17 +82,6 @@
82#define ETP_WMIN_V2 0 82#define ETP_WMIN_V2 0
83#define ETP_WMAX_V2 15 83#define ETP_WMAX_V2 15
84 84
85/*
86 * For two finger touches the coordinate of each finger gets reported
87 * separately but with reduced resolution.
88 */
89#define ETP_2FT_FUZZ 4
90
91#define ETP_2FT_XMIN ( 0 + ETP_2FT_FUZZ)
92#define ETP_2FT_XMAX (288 - ETP_2FT_FUZZ)
93#define ETP_2FT_YMIN ( 0 + ETP_2FT_FUZZ)
94#define ETP_2FT_YMAX (192 - ETP_2FT_FUZZ)
95
96struct elantech_data { 85struct elantech_data {
97 unsigned char reg_10; 86 unsigned char reg_10;
98 unsigned char reg_11; 87 unsigned char reg_11;