add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/drivers/media/dvb-frontends/stv0297.c
..
..
@@ -710,4 +710,4 @@
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 MODULE_AUTHOR("Dennis Noermann and Andrew de Quincey");
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 MODULE_LICENSE("GPL");
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-EXPORT_SYMBOL(stv0297_attach);
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+EXPORT_SYMBOL_GPL(stv0297_attach);