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[media] drx-j: be sure to do a full software reset

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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>
This commit is contained in:
Mauro Carvalho Chehab 2014-02-27 08:48:44 -03:00
parent d7a5478a8a
commit 8afff9a23f
1 changed files with 9 additions and 2 deletions
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11
drivers/media/dvb-frontends/drx39xyj/drxj.c
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@ -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;