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Commit 91bc3f86 authored by Mao Li's avatar Mao Li Committed by Sudhakar Manapati
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input: msg21xx_ts: release touch when finger leaves the panel 



When fingers on the panel decrease, release corresponding touches.

  This patch is propagated from 3.10 kernel
    commit: 24e3a5036d3ca72b409315e70629865c6184a02c

Change-Id: Iafc3a9dda252417fcd06e3d9d24fb73b4d6f8e58
Signed-off-by: default avatarMao Li <maol@codeaurora.org>
Signed-off-by: default avatarSudhakar Manapati <smanap@codeaurora.org>
parent 091a0170

drivers/input/touchscreen/msg21xx_ts.c

+5 −4
Original line number Diff line number Diff line
@@ -1185,15 +1185,16 @@ static irqreturn_t msg21xx_ts_interrupt(int irq, void *dev_id) 
					ABS_MT_POSITION_Y,

					info.point[i].y);

			}

			last_count = info.count;

		} else if (last_count > 0) { /*point touch released*/

			for (i = 0; i < last_count; i++) {

		}



		if (last_count > info.count) {

			for (i = info.count; i < MAX_TOUCH_NUM; i++) {

				input_mt_slot(input_dev, i);

				input_mt_report_slot_state(input_dev,

					MT_TOOL_FINGER, 0);

			}

			last_count = 0;

		}

		last_count = info.count;



		input_report_key(input_dev, BTN_TOUCH, info.count > 0);

		input_report_key(input_dev, BTN_TOOL_FINGER, info.count > 0);