diff options
| author | Antti Palosaari <crope@iki.fi> | 2014-08-09 16:39:16 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-09-21 20:24:31 (GMT) |
| commit | 9e0a976ed60345d53e8d421cb0a39202ce8487fe (patch) | |
| tree | f2fe6c429a381d7b8295dee12ec4db80f769d90f /drivers/media/tuners | |
| parent | 66f6319936344279466bd09f9788e888e03c99a0 (diff) | |
| download | linux-9e0a976ed60345d53e8d421cb0a39202ce8487fe.tar.xz | |
[media] it913x: fix IT9135 AX sleep
Old IT9135 AX needs a little bit different register settings for
sleep than newer IT9135 BX. This has been broken always, as power
management of the whole driver, but it started to be problem as I
fixed clock. Earlier clock was disabled very first on sleep and
rest of the commands were skipped by the chip as no clock, leaving
tuner full power state. When I fixed clocks these PM bugs started
raising out as I/O errors.
Cc: Bimow Chen <Bimow.Chen@ite.com.tw>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/tuners')
| -rw-r--r-- | drivers/media/tuners/tuner_it913x.c | 6 | ||||
| -rw-r--r-- | drivers/media/tuners/tuner_it913x_priv.h | 11 |
2 files changed, 16 insertions, 1 deletions
diff --git a/drivers/media/tuners/tuner_it913x.c b/drivers/media/tuners/tuner_it913x.c index cd20c5b..281d8c5 100644 --- a/drivers/media/tuners/tuner_it913x.c +++ b/drivers/media/tuners/tuner_it913x.c @@ -371,7 +371,11 @@ static int it9137_set_params(struct dvb_frontend *fe) static int it913x_sleep(struct dvb_frontend *fe) { struct it913x_state *state = fe->tuner_priv; - return it913x_script_loader(state, it9137_tuner_off); + + if (state->chip_ver == 0x01) + return it913x_script_loader(state, it9135ax_tuner_off); + else + return it913x_script_loader(state, it9137_tuner_off); } static int it913x_release(struct dvb_frontend *fe) diff --git a/drivers/media/tuners/tuner_it913x_priv.h b/drivers/media/tuners/tuner_it913x_priv.h index 8e85a61..cc6f4b1 100644 --- a/drivers/media/tuners/tuner_it913x_priv.h +++ b/drivers/media/tuners/tuner_it913x_priv.h @@ -36,6 +36,17 @@ struct it913xset { u32 pro; u8 count; }; +/* Tuner setting scripts for IT9135 AX */ +static struct it913xset it9135ax_tuner_off[] = { + {PRO_DMOD, 0xec40, {0x00}, 0x01}, /* Power Down Tuner */ + {PRO_DMOD, 0xec02, {0x3f}, 0x01}, + {PRO_DMOD, 0xec03, {0x1f}, 0x01}, + {PRO_DMOD, 0xec04, {0x3f}, 0x01}, + {PRO_DMOD, 0xec05, {0x3f}, 0x01}, + {PRO_DMOD, 0xec3f, {0x01}, 0x01}, + {0xff, 0x0000, {0x00}, 0x00}, /* Terminating Entry */ +}; + /* Tuner setting scripts (still keeping it9137) */ static struct it913xset it9137_tuner_off[] = { {PRO_DMOD, 0xec40, {0x00}, 0x01}, /* Power Down Tuner */ |