From 1cd3c0fa927084549005fc22e54d99684b314f14 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 8 Mar 2009 17:04:38 -0300
Subject: V4L/DVB (11022): zoran/bt819: use new notify functionality.

Bt819 needs the parent driver to drive a GPIO pin low and high in order to
reset its fifo. Use the new notify callback for this.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/bt819.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'drivers/media/video/bt819.c')

diff --git a/drivers/media/video/bt819.c b/drivers/media/video/bt819.c
index e0d8e2b186d1..217294d56414 100644
--- a/drivers/media/video/bt819.c
+++ b/drivers/media/video/bt819.c
@@ -32,13 +32,14 @@
 #include <linux/types.h>
 #include <linux/ioctl.h>
 #include <linux/delay.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <linux/i2c.h>
 #include <linux/i2c-id.h>
 #include <linux/videodev2.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-chip-ident.h>
 #include <media/v4l2-i2c-drv.h>
+#include <media/bt819.h>
 
 MODULE_DESCRIPTION("Brooktree-819 video decoder driver");
 MODULE_AUTHOR("Mike Bernson & Dave Perks");
@@ -250,7 +251,11 @@ static int bt819_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 
 	v4l2_dbg(1, debug, sd, "set norm %llx\n", (unsigned long long)std);
 
+	if (sd->v4l2_dev == NULL || sd->v4l2_dev->notify == NULL)
+		v4l2_err(sd, "no notify found!\n");
+
 	if (std & V4L2_STD_NTSC) {
+		v4l2_subdev_notify(sd, BT819_FIFO_RESET_LOW, 0);
 		bt819_setbit(decoder, 0x01, 0, 1);
 		bt819_setbit(decoder, 0x01, 1, 0);
 		bt819_setbit(decoder, 0x01, 5, 0);
@@ -259,6 +264,7 @@ static int bt819_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 		/* bt819_setbit(decoder, 0x1a,  5, 1); */
 		timing = &timing_data[1];
 	} else if (std & V4L2_STD_PAL) {
+		v4l2_subdev_notify(sd, BT819_FIFO_RESET_LOW, 0);
 		bt819_setbit(decoder, 0x01, 0, 1);
 		bt819_setbit(decoder, 0x01, 1, 1);
 		bt819_setbit(decoder, 0x01, 5, 1);
@@ -283,6 +289,7 @@ static int bt819_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 	bt819_write(decoder, 0x08, (timing->hscale >> 8) & 0xff);
 	bt819_write(decoder, 0x09, timing->hscale & 0xff);
 	decoder->norm = std;
+	v4l2_subdev_notify(sd, BT819_FIFO_RESET_HIGH, 0);
 	return 0;
 }
 
@@ -295,7 +302,11 @@ static int bt819_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *ro
 	if (route->input < 0 || route->input > 7)
 		return -EINVAL;
 
+	if (sd->v4l2_dev == NULL || sd->v4l2_dev->notify == NULL)
+		v4l2_err(sd, "no notify found!\n");
+
 	if (decoder->input != route->input) {
+		v4l2_subdev_notify(sd, BT819_FIFO_RESET_LOW, 0);
 		decoder->input = route->input;
 		/* select mode */
 		if (decoder->input == 0) {
@@ -305,6 +316,7 @@ static int bt819_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *ro
 			bt819_setbit(decoder, 0x0b, 6, 1);
 			bt819_setbit(decoder, 0x1a, 1, 0);
 		}
+		v4l2_subdev_notify(sd, BT819_FIFO_RESET_HIGH, 0);
 	}
 	return 0;
 }
-- 
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