linux-omap-psp 2.6.32: add patches to make the VGA and 3MP cameras work on the beagelboard xM

1 files changed, 84 insertions, 0 deletions

diff --git a/recipes/linux/linux-omap-psp-2.6.32/cam/0053-mt9t112-Fix-null-pointer-kernel-bug.patch b/recipes/linux/linux-omap-psp-2.6.32/cam/0053-mt9t112-Fix-null-pointer-kernel-bug.patch
new file mode 100644
index 0000000000..47c35bddcc
--- /dev/null
+++ b/recipes/linux/linux-omap-psp-2.6.32/cam/0053-mt9t112-Fix-null-pointer-kernel-bug.patch
@@ -0,0 +1,84 @@
+From fe7df74595c449a47a7a86cab9d35ab7320faf16 Mon Sep 17 00:00:00 2001
+From: Sergio Aguirre <saaguirre@ti.com>
+Date: Thu, 1 Jul 2010 09:12:37 -0500
+Subject: [PATCH 53/71] mt9t112: Fix null pointer kernel bug
+
+We were trying to access a null pointer (info) which we weren't
+initializing anywhere.
+
+Fix this.
+
+Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
+---
+ drivers/media/video/mt9t112.c |   34 +++++++++++++++++++++++-----------
+ 1 files changed, 23 insertions(+), 11 deletions(-)
+
+diff --git a/drivers/media/video/mt9t112.c b/drivers/media/video/mt9t112.c
+index 6f54394..98a4ea9 100644
+--- a/drivers/media/video/mt9t112.c
++++ b/drivers/media/video/mt9t112.c
+@@ -92,7 +92,7 @@ struct mt9t112_frame_size {
+ struct mt9t112_priv {
+ 	struct mt9t112_platform_data	*pdata;
+ 	struct v4l2_int_device		*v4l2_int_device;
+-	struct mt9t112_camera_info	*info;
++	struct mt9t112_camera_info	info;
+ 	struct i2c_client		*client;
+ 	struct v4l2_pix_format		 pix;
+ 	int				 model;
+@@ -463,15 +463,15 @@ static int mt9t112_init_pll(const struct i2c_client *client)
+ 
+ 	/* Replace these registers when new timing parameters are generated */
+ 	mt9t112_set_pll_dividers(client,
+-				 priv->info->divider.m,
+-				 priv->info->divider.n,
+-				 priv->info->divider.p1,
+-				 priv->info->divider.p2,
+-				 priv->info->divider.p3,
+-				 priv->info->divider.p4,
+-				 priv->info->divider.p5,
+-				 priv->info->divider.p6,
+-				 priv->info->divider.p7);
++				 priv->info.divider.m,
++				 priv->info.divider.n,
++				 priv->info.divider.p1,
++				 priv->info.divider.p2,
++				 priv->info.divider.p3,
++				 priv->info.divider.p4,
++				 priv->info.divider.p5,
++				 priv->info.divider.p6,
++				 priv->info.divider.p7);
+ 
+ 	/*
+ 	 * TEST_BYPASS  on
+@@ -1015,7 +1015,7 @@ static int mt9t112_v4l2_int_s_power(struct v4l2_int_device *s,
+ 		}
+ 		if (!(priv->flags & INIT_DONE)) {
+ 			u16 param = (MT9T112_FLAG_PCLK_RISING_EDGE &
+-				     priv->info->flags) ? 0x0001 : 0x0000;
++				     priv->info.flags) ? 0x0001 : 0x0000;
+ 
+ 			ECHECKER(ret, mt9t112_detect(client));
+ 			ECHECKER(ret, mt9t112_init_camera(client));
+@@ -1195,6 +1195,18 @@ static int mt9t112_probe(struct i2c_client *client,
+ 	priv->client = client;
+ 	priv->pdata = client->dev.platform_data;
+ 
++	/* Revisit: Init Sensor info settings */
++	priv->info.divider.m = 25;
++	priv->info.divider.n = 2;
++	priv->info.divider.p1 = 0;
++	priv->info.divider.p2 = 9;
++	priv->info.divider.p3 = 0;
++	priv->info.divider.p4 = 13;
++	priv->info.divider.p5 = 13;
++	priv->info.divider.p6 = 9;
++	priv->info.divider.p7 = 0;
++	priv->info.flags = MT9T112_FLAG_PCLK_RISING_EDGE;
++
+ 	i2c_set_clientdata(client, priv);
+ 
+ 	//ret = mt9t112_detect(client);
+-- 
+1.6.6.1
+