V4L/DVB (8466): cx23885: Bugfix - DVB Transport cards using DVB port VIDB/TS1 did not stream.

Certain DVB cards that have demodulators on TS1/VIDB were not streaming packets.
This ensure the pin directions on PAD_CTRL are set correctly, solving the issue.

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 16 insertions, 2 deletions

diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c
index f5afc8d7cb12..b96016d1d0fe 100644
--- a/drivers/media/video/cx23885/cx23885-core.c
+++ b/drivers/media/video/cx23885/cx23885-core.c
@@ -1084,7 +1084,21 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
         cx_write(port->reg_gpcnt_ctl, 3);
         q->count = 1;
 
-        if (cx23885_boards[dev->board].portb & CX23885_MPEG_ENCODER) {
+        /* Set VIDB pins to input */
+        if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) {
+                reg = cx_read(PAD_CTRL);
+                reg &= ~0x3; /* Clear TS1_OE & TS1_SOP_OE */
+                cx_write(PAD_CTRL, reg);
+        }
+
+        /* Set VIDC pins to input */
+        if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) {
+                reg = cx_read(PAD_CTRL);
+                reg &= ~0x4; /* Clear TS2_SOP_OE */
+                cx_write(PAD_CTRL, reg);
+        }
+
+        if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) {
 
                 reg = cx_read(PAD_CTRL);
                 reg = reg & ~0x1;    /* Clear TS1_OE */
@@ -1134,7 +1148,7 @@ static int cx23885_stop_dma(struct cx23885_tsport *port)
         cx_clear(port->reg_ts_int_msk, port->ts_int_msk_val);
         cx_clear(port->reg_dma_ctl, port->dma_ctl_val);
 
-        if (cx23885_boards[dev->board].portb & CX23885_MPEG_ENCODER) {
+        if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) {
 
                 reg = cx_read(PAD_CTRL);