From: Steven Toth <stoth@hauppauge.com>
Date: Tue, 1 Jul 2008 00:23:50 +0000 (-0300)
Subject: V4L/DVB (8469): cx23885: FusionHDTV7 Dual Express toggle reset.
X-Git-Tag: firefly_0821_release~18626^2~66
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1ecc5aed1ea426dbb7e5cd9a0c980c14c879277b;p=firefly-linux-kernel-4.4.55.git

V4L/DVB (8469): cx23885: FusionHDTV7 Dual Express toggle reset.

Ensure the tuners and demods are brought in and out of reset during
driver startup.

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 f325c123295c..691b35279c20 100644
--- a/drivers/media/video/cx23885/cx23885-cards.c
+++ b/drivers/media/video/cx23885/cx23885-cards.c
@@ -436,6 +436,19 @@ void cx23885_gpio_setup(struct cx23885_dev *dev)
 		mdelay(20);
 		cx_set(GP0_IO, 0x00050005);
 		break;
+	case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP:
+		/* GPIO-0 xc5000 tuner reset i2c bus 0 */
+		/* GPIO-1 s5h1409 demod reset i2c bus 0 */
+		/* GPIO-2 xc5000 tuner reset i2c bus 1 */
+		/* GPIO-3 s5h1409 demod reset i2c bus 0 */
+
+		/* Put the parts into reset and back */
+		cx_set(GP0_IO, 0x000f0000);
+		mdelay(20);
+		cx_clear(GP0_IO, 0x0000000f);
+		mdelay(20);
+		cx_set(GP0_IO, 0x000f000f);
+		break;
 	}
 }