V4L/DVB (7630): au8522: fix au8522_read_ucblocks for qam

ucblocks are reported in separate registers for vsb & qam

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/media/dvb/frontends/au8522.c b/drivers/media/dvb/frontends/au8522.c
index dc01e75cdc60..9fb61e6ed679 100644
--- a/drivers/media/dvb/frontends/au8522.c
+++ b/drivers/media/dvb/frontends/au8522.c
@@ -340,7 +340,10 @@ static int au8522_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 {
         struct au8522_state *state = fe->demodulator_priv;
 
-        *ucblocks = au8522_readreg(state, 0x4087);
+        if (state->current_modulation == VSB_8)
+                *ucblocks = au8522_readreg(state, 0x4087);
+        else
+                *ucblocks = au8522_readreg(state, 0x4543);
 
         return 0;
 }