diff options
| author | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-02-27 11:48:44 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-03-04 17:40:54 (GMT) |
| commit | 8afff9a23f8506c3439a7a0d7b21e975aed96ab4 (patch) | |
| tree | 205dad406a91fce7460c6df5b2421b79d080b237 | |
| parent | d7a5478a8a3b45d39823e242bdd05e430b9c9b26 (diff) | |
| download | linux-8afff9a23f8506c3439a7a0d7b21e975aed96ab4.tar.xz | |
[media] drx-j: be sure to do a full software reset
Mimic what windows driver does here: it writes 0x07 to
SIO_CC_SOFT_RST__A, instead of just 0x03.
Acked-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
| -rw-r--r-- | drivers/media/dvb-frontends/drx39xyj/drxj.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/media/dvb-frontends/drx39xyj/drxj.c b/drivers/media/dvb-frontends/drx39xyj/drxj.c index 97a3005..ed68c52 100644 --- a/drivers/media/dvb-frontends/drx39xyj/drxj.c +++ b/drivers/media/dvb-frontends/drx39xyj/drxj.c @@ -19876,8 +19876,15 @@ int drxj_open(struct drx_demod_instance *demod) goto rw_error; } - /* Soft reset of sys- and osc-clockdomain */ - rc = drxj_dap_write_reg16(dev_addr, SIO_CC_SOFT_RST__A, (SIO_CC_SOFT_RST_SYS__M | SIO_CC_SOFT_RST_OSC__M), 0); + /* + * Soft reset of sys- and osc-clockdomain + * + * HACK: On windows, it writes a 0x07 here, instead of just 0x03. + * As we didn't load the firmware here yet, we should do the same. + * Btw, this is coherent with DRX-K, where we send reset codes + * for modulation (OFTM, in DRX-k), SYS and OSC clock domains. + */ + rc = drxj_dap_write_reg16(dev_addr, SIO_CC_SOFT_RST__A, (0x04 | SIO_CC_SOFT_RST_SYS__M | SIO_CC_SOFT_RST_OSC__M), 0); if (rc != 0) { pr_err("error %d\n", rc); goto rw_error; |