修改内核路径

hc

2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b

 kernel/drivers/input/mouse/focaltech.c
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@@ -202,8 +202,8 @@
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 	state->pressed = packet[0] >> 7;
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 	finger1 = ((packet[0] >> 4) & 0x7) - 1;
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 	if (finger1 < FOC_MAX_FINGERS) {
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-		state->fingers[finger1].x += (char)packet[1];
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-		state->fingers[finger1].y += (char)packet[2];
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+		state->fingers[finger1].x += (s8)packet[1];
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+		state->fingers[finger1].y += (s8)packet[2];
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 	} else {
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 		psmouse_err(psmouse, "First finger in rel packet invalid: %d\n",
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 			    finger1);
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@@ -218,8 +218,8 @@
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 	 */
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 	finger2 = ((packet[3] >> 4) & 0x7) - 1;
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 	if (finger2 < FOC_MAX_FINGERS) {
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-		state->fingers[finger2].x += (char)packet[4];
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-		state->fingers[finger2].y += (char)packet[5];
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+		state->fingers[finger2].x += (s8)packet[4];
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+		state->fingers[finger2].y += (s8)packet[5];
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 	}
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 }
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