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Commit b71e2c4c authored by Reinhard Nißl's avatar Reinhard Nißl Committed by Mauro Carvalho Chehab
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[media] stb0899: store autodetected inversion while tuning in non S2 mode 



In non S2 mode, the device is able to autodetect inversion. So
let's store it for tuning to S2 transponders.

Signed-off-by: default avatarReinhard Nißl <rnissl@gmx.de>
Signed-off-by: default avatarMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 0c1d2b14

drivers/media/dvb-frontends/stb0899_algo.c

+8 −0
Original line number Diff line number Diff line
@@ -425,6 +425,14 @@ static enum stb0899_status stb0899_search_data(struct stb0899_state *state) 


	if (internal->status == DATAOK) {

		stb0899_read_regs(state, STB0899_CFRM, cfr, 2); /* get derotator frequency */



		/* store autodetected IQ swapping as default for DVB-S2 tuning */

		reg = stb0899_read_reg(state, STB0899_IQSWAP);

		if (STB0899_GETFIELD(SYM, reg))

			internal->inversion = IQ_SWAP_ON;

		else

			internal->inversion = IQ_SWAP_OFF;



		internal->derot_freq = state->config->inversion * MAKEWORD16(cfr[0], cfr[1]);

		dprintk(state->verbose, FE_DEBUG, 1, "------> DATAOK ! Derot Freq=%d", internal->derot_freq);

	}