From: sungmin ha <sungmin82.ha@samsung.com>
Date: Tue, 28 Apr 2015 08:12:42 +0000 (+0900)
Subject: rotary: modified Hall ic event value for TMWC-824
X-Git-Tag: TizenStudio_2.0_p2.3.1~15
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9458bf6839aef7e9fa58c296fab4456ec5837b7d;p=sdk%2Femulator%2Femulator-kernel.git

rotary: modified Hall ic event value for TMWC-824

Change-Id: Ibd86e5c97839ea90383797096ed2c887a703e8b7
Signed-off-by: sungmin ha <sungmin82.ha@samsung.com>
---

diff --git a/drivers/maru/maru_virtio_rotary.c b/drivers/maru/maru_virtio_rotary.c
index 7364be6a19ce..bc5cc5f37777 100755
--- a/drivers/maru/maru_virtio_rotary.c
+++ b/drivers/maru/maru_virtio_rotary.c
@@ -69,7 +69,6 @@ struct virtio_rotary *vrtr;
 
 static int last_pos; /* 0 ~ 360 */
 static int last_detent;
-static int status; /* 0 ~ 2 */
 
 static struct virtio_device_id id_table[] = {
 	{ VIRTIO_ID_ROTARY, VIRTIO_DEV_ANY_ID },
@@ -96,9 +95,7 @@ static void vq_rotary_handler(struct virtqueue *vq)
 	void *data;
 	struct rotary_event event;
 
-	int i = 0;
 	int pos = 0;
-	int value = 0;
 
 	data = virtqueue_get_buf(vq, &len);
 	if (!data) {
@@ -107,9 +104,7 @@ static void vq_rotary_handler(struct virtqueue *vq)
 	}
 
 	while (1) {
-		memcpy(&event,
-				&vrtr->event[vqidx],
-				sizeof(struct rotary_event));
+		memcpy(&event, &vrtr->event[vqidx], sizeof(struct rotary_event));
 
 		event.delta %= 360;
 		if (event.delta == 0) {
@@ -122,55 +117,30 @@ static void vq_rotary_handler(struct virtqueue *vq)
 			"rotary event: vqidx(%d), event.delta(%d), pos(%d)\n",
 			vqidx, event.delta, pos);
 
-		if (event.delta > 0) { /* CW */
-			for (i = 0; i < event.delta; i++) {
-				value = last_pos + i;
-				if ((value % DETENT_UNIT == 0) && (get_rotary_pos(value) != last_detent)) {
-					status++;
-					status %= 3; /* 0->1->2->0 .. */
-
-					last_detent = get_rotary_pos(value);
-
-					VR_LOG(KERN_INFO,
-						"event: delta(%d), detent(%d), status(%d)\n",
-						event.delta, last_detent, status);
-
-					input_report_rel(vrtr->idev, REL_X, 0);
-					input_report_rel(vrtr->idev, REL_Y, 0);
-					input_report_rel(vrtr->idev, REL_WHEEL, status + 1);
-					input_sync(vrtr->idev);
+		if ((pos % DETENT_UNIT) == 0) {
+			input_report_rel(vrtr->idev, REL_WHEEL, 1);
+			if (get_rotary_pos(pos) != last_detent) {
+				last_detent = get_rotary_pos(pos);
+				if (event.delta > 0) {
+					input_report_rel(vrtr->idev, REL_WHEEL, 2);
+				} else {
+					input_report_rel(vrtr->idev, REL_WHEEL, -2);
 				}
+			} else {
+				input_report_rel(vrtr->idev, REL_WHEEL, -1);
 			}
-		} else { /* CCW */
-			for (i = 0; i > event.delta; i--) {
-				value = last_pos + i;
-				if ((value % DETENT_UNIT == 0) && (get_rotary_pos(value) != last_detent)) {
-					status--;
-					status = REMAINDER(status, 3); /* 0->2->1->0 .. */
-
-					last_detent = get_rotary_pos(value);
-
-					VR_LOG(KERN_INFO,
-						"event: delta(%d), detent(%d), status(%d)\n",
-						event.delta, last_detent, status);
-
-					input_report_rel(vrtr->idev, REL_X, 0);
-					input_report_rel(vrtr->idev, REL_Y, 0);
-					input_report_rel(vrtr->idev, REL_WHEEL, status + 1);
-					input_sync(vrtr->idev);
-				}
+			input_sync(vrtr->idev);
 
-			}
+			VR_LOG(KERN_INFO, "event: delta(%d), detent(%d)\n", event.delta, last_detent);
 		}
 
 		last_pos = pos;
 
-		memset(&vrtr->event[vqidx],
-				0x00,
-				sizeof(struct rotary_event));
+		memset(&vrtr->event[vqidx], 0x00, sizeof(struct rotary_event));
 		vqidx++;
-		if (vqidx == ROTARY_BUF_SIZE)
+		if (vqidx == ROTARY_BUF_SIZE) {
 			vqidx = 0;
+		}
 	}
 	err = virtqueue_add_inbuf(vq,
 						vrtr->sg,