add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/hid/hid-input.c
..
..
@@ -675,6 +675,14 @@
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 			break;
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 		}
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+		if ((usage->hid & 0xf0) == 0xa0) {	/* SystemControl */
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+			switch (usage->hid & 0xf) {
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+			case 0x9: map_key_clear(KEY_MICMUTE); break;
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+			default: goto ignore;
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+			}
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+			break;
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+		}
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+
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 		if ((usage->hid & 0xf0) == 0xb0) {	/* SC - Display */
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 			switch (usage->hid & 0xf) {
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 			case 0x05: map_key_clear(KEY_SWITCHVIDEOMODE); break;