From d67350f8c4e67f5eba627e1fd111f16257ca9c95 Mon Sep 17 00:00:00 2001 From: Olivier Grenie Date: Thu, 12 Dec 2013 09:26:22 -0300 Subject: [PATCH] [media] dib8000: fix regression with dib807x Commit 173a64cb3fcf broke support for some dib807x versions. Fix it by providing backward compatibility with the older versions. [mkrufky@linuxtv.org: conflict handling and CodingStyle fixes] Signed-off-by: Olivier Grenie Acked-by: Patrick Boettcher Cc: stable@vger.kernel.org Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/dib8000.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c index 6dbbee453ee1..1e03961135ac 100644 --- a/drivers/media/dvb-frontends/dib8000.c +++ b/drivers/media/dvb-frontends/dib8000.c @@ -2445,7 +2445,8 @@ static int dib8000_autosearch_start(struct dvb_frontend *fe) if (state->revision == 0x8090) internal = dib8000_read32(state, 23) / 1000; - if (state->autosearch_state == AS_SEARCHING_FFT) { + if ((state->revision >= 0x8002) && + (state->autosearch_state == AS_SEARCHING_FFT)) { dib8000_write_word(state, 37, 0x0065); /* P_ctrl_pha_off_max default values */ dib8000_write_word(state, 116, 0x0000); /* P_ana_gain to 0 */ @@ -2481,7 +2482,8 @@ static int dib8000_autosearch_start(struct dvb_frontend *fe) dib8000_write_word(state, 770, (dib8000_read_word(state, 770) & 0xdfff) | (1 << 13)); /* P_restart_ccg = 1 */ dib8000_write_word(state, 770, (dib8000_read_word(state, 770) & 0xdfff) | (0 << 13)); /* P_restart_ccg = 0 */ dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x7ff) | (0 << 15) | (1 << 13)); /* P_restart_search = 0; */ - } else if (state->autosearch_state == AS_SEARCHING_GUARD) { + } else if ((state->revision >= 0x8002) && + (state->autosearch_state == AS_SEARCHING_GUARD)) { c->transmission_mode = TRANSMISSION_MODE_8K; c->guard_interval = GUARD_INTERVAL_1_8; c->inversion = 0; @@ -2583,7 +2585,8 @@ static int dib8000_autosearch_irq(struct dvb_frontend *fe) struct dib8000_state *state = fe->demodulator_priv; u16 irq_pending = dib8000_read_word(state, 1284); - if (state->autosearch_state == AS_SEARCHING_FFT) { + if ((state->revision >= 0x8002) && + (state->autosearch_state == AS_SEARCHING_FFT)) { if (irq_pending & 0x1) { dprintk("dib8000_autosearch_irq: max correlation result available"); return 3; -- 2.30.2