From 04585921ac0fa0f4baaf510cc7e52e3399018fb4 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 14 Jan 2013 12:31:13 -0300 Subject: [PATCH] [media] mb86a20s: fix interleaving and FEC retrival Get the proper bits from the TMCC table registers. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/mb86a20s.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/drivers/media/dvb-frontends/mb86a20s.c b/drivers/media/dvb-frontends/mb86a20s.c index 40c61838c61d..8f4fff1f0fa5 100644 --- a/drivers/media/dvb-frontends/mb86a20s.c +++ b/drivers/media/dvb-frontends/mb86a20s.c @@ -413,7 +413,7 @@ static int mb86a20s_get_modulation(struct mb86a20s_state *state, rc = mb86a20s_readreg(state, 0x6e); if (rc < 0) return rc; - switch ((rc & 0x70) >> 4) { + switch ((rc >> 4) & 0x07) { case 0: return DQPSK; case 1: @@ -446,7 +446,7 @@ static int mb86a20s_get_fec(struct mb86a20s_state *state, rc = mb86a20s_readreg(state, 0x6e); if (rc < 0) return rc; - switch (rc) { + switch ((rc >> 4) & 0x07) { case 0: return FEC_1_2; case 1: @@ -481,9 +481,21 @@ static int mb86a20s_get_interleaving(struct mb86a20s_state *state, rc = mb86a20s_readreg(state, 0x6e); if (rc < 0) return rc; - if (rc > 3) - return -EINVAL; /* Not used */ - return rc; + + switch ((rc >> 4) & 0x07) { + case 1: + return GUARD_INTERVAL_1_4; + case 2: + return GUARD_INTERVAL_1_8; + case 3: + return GUARD_INTERVAL_1_16; + case 4: + return GUARD_INTERVAL_1_32; + + default: + case 0: + return GUARD_INTERVAL_AUTO; + } } static int mb86a20s_get_segment_count(struct mb86a20s_state *state, -- 2.20.1