add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/input/rmi4/rmi_f12.c
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@@ -1,9 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (c) 2012-2016 Synaptics Incorporated
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License version 2 as published by
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- * the Free Software Foundation.
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  */
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 #include <linux/input.h>
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 #include <linux/input/mt.h>
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@@ -76,7 +73,6 @@
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 	int pitch_y = 0;
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 	int rx_receivers = 0;
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 	int tx_receivers = 0;
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-	int sensor_flags = 0;
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 	item = rmi_get_register_desc_item(&f12->control_reg_desc, 8);
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 	if (!item) {
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@@ -132,10 +128,9 @@
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 		offset += 2;
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 	}
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-	if (rmi_register_desc_has_subpacket(item, 4)) {
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-		sensor_flags = buf[offset];
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+	/* Skip over sensor flags */
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+	if (rmi_register_desc_has_subpacket(item, 4))
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 		offset += 1;
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-	}
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 	sensor->x_mm = (pitch_x * rx_receivers) >> 12;
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 	sensor->y_mm = (pitch_y * tx_receivers) >> 12;