change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/drivers/input/mouse/focaltech.c
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@@ -1,13 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Focaltech TouchPad PS/2 mouse driver
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  *
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  * Copyright (c) 2014 Red Hat Inc.
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  * Copyright (c) 2014 Mathias Gottschlag <mgottschlag@gmail.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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  *
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  * Red Hat authors:
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  *
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@@ -206,8 +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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@@ -222,8 +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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