Mimic what windows driver does here: it writes 0x07 to
SIO_CC_SOFT_RST__A, instead of just 0x03.
Signed-off-by: Mauro Carvalho Chehab <m.che...@samsung.com>
---
drivers/media/dvb-frontends/drx39xyj/drxj.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/media/dvb-frontends/drx39xyj/drxj.c
b/drivers/media/dvb-frontends/drx39xyj/drxj.c
index 97a30057ff09..ed68c52f4e96 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;
--
1.8.5.3
--
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