From 380706a3fc79ef8852b4773886464c43e61a5271 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 4 Jul 2014 14:15:27 -0300 Subject: [PATCH] upstream: [media] dib8000: Fix handling of interleave bigger than 2 If interleave is bigger than 2, the code will set it to 0, as dib8000 registers use a log2(). So, change the code to handle it accordingly. Acked-By: Patrick Boettcher Backports http://git.linuxtv.org/cgit.cgi/media_tree.git/commit/?id=34ba2e65bab3 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/dib8000.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c index 270a58e..78ccbe1 100644 --- a/drivers/media/dvb-frontends/dib8000.c +++ b/drivers/media/dvb-frontends/dib8000.c @@ -2033,9 +2033,8 @@ static u16 dib8000_set_layer(struct dib8000_state *state, u8 layer_index, u16 ma break; } - if ((c->layer[layer_index].interleaving > 0) && ((c->layer[layer_index].interleaving <= 3) || (c->layer[layer_index].interleaving == 4 && c->isdbt_sb_mode == 1))) - time_intlv = c->layer[layer_index].interleaving; - else + time_intlv = fls(c->layer[layer_index].interleaving); + if (time_intlv > 3 && !(time_intlv == 4 && c->isdbt_sb_mode == 1)) time_intlv = 0; dib8000_write_word(state, 2 + layer_index, (constellation << 10) | ((c->layer[layer_index].segment_count & 0xf) << 6) | (cr << 3) | time_intlv); -- 2.7.4