V4L/DVB (7004): cx23885: Ensure HVR1800 TDA8295A is reset fully on module load
Failure to do this means that a full system reboot is required if the
part hangs.
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c
index aa0ddf2..901bebc 100644
--- a/drivers/media/video/cx23885/cx23885-cards.c
+++ b/drivers/media/video/cx23885/cx23885-cards.c
@@ -268,7 +268,13 @@
/* GPIO-15-18 cx23417 READY, CS, RD, WR */
/* GPIO-19 IR_RX */
- cx_set(GP0_IO, 0x00040004); /* Bring the tuner out of reset */
+ /* Force the TDA8295A into reset and back */
+ cx_set(GP0_IO, 0x00040004);
+ mdelay(20);
+ cx_clear(GP0_IO, 0x00000004);
+ mdelay(20);
+ cx_set(GP0_IO, 0x00040004);
+ mdelay(20);
break;
}
}