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[media] dib8000: fix regression with dib807x

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Commit 173a64cb3f 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 <olivier.grenie@parrot.com>
Acked-by: Patrick Boettcher <pboettcher@kernellabs.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Olivier Grenie 2013-12-12 09:26:22 -03:00 committed by Mauro Carvalho Chehab
parent 303b0a96f0
commit d67350f8c4
1 changed files with 6 additions and 3 deletions
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9
drivers/media/dvb-frontends/dib8000.c
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@ -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;