1 files changed, 57 insertions, 0 deletions

diff --git a/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/cam/0058-mt9t112-Do-init_camera-every-powerup.patch b/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/cam/0058-mt9t112-Do-init_camera-every-powerup.patch
new file mode 100644
index 00000000..66c4e173
--- /dev/null
+++ b/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/cam/0058-mt9t112-Do-init_camera-every-powerup.patch
@@ -0,0 +1,57 @@
+From 52bfcc9b6bcb30cf81589c483f1344c568be7300 Mon Sep 17 00:00:00 2001
+From: Sergio Aguirre <saaguirre@ti.com>
+Date: Thu, 15 Jul 2010 17:53:44 -0500
+Subject: [PATCH 58/75] mt9t112: Do init_camera every powerup
+
+This is because we want to ensure we always come from a known state.
+
+Probably this could be revisited later for optimization.
+
+Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
+---
+ drivers/media/video/mt9t112.c |   17 ++++++++---------
+ 1 files changed, 8 insertions(+), 9 deletions(-)
+
+diff --git a/drivers/media/video/mt9t112.c b/drivers/media/video/mt9t112.c
+index 98a4ea9..eebc2b5 100644
+--- a/drivers/media/video/mt9t112.c
++++ b/drivers/media/video/mt9t112.c
+@@ -982,6 +982,8 @@ static int mt9t112_v4l2_int_s_power(struct v4l2_int_device *s,
+ {
+        struct mt9t112_priv *priv = s->priv;
+        struct i2c_client *client = priv->client;
++       u16 param = (MT9T112_FLAG_PCLK_RISING_EDGE &
++                    priv->info.flags) ? 0x0001 : 0x0000;
+        int ret;
+ 
+        switch (power) {
+@@ -1014,20 +1016,17 @@ static int mt9t112_v4l2_int_s_power(struct v4l2_int_device *s,
+                        return ret;
+                }
+                if (!(priv->flags & INIT_DONE)) {
+-                       u16 param = (MT9T112_FLAG_PCLK_RISING_EDGE &
+-                                    priv->info.flags) ? 0x0001 : 0x0000;
+-
+                        ECHECKER(ret, mt9t112_detect(client));
+-                       ECHECKER(ret, mt9t112_init_camera(client));
+-
+-                       /* Invert PCLK (Data sampled on falling edge of pixclk) */
+-                       mt9t112_reg_write(ret, client, 0x3C20, param);
+-
+-                       mdelay(5);
+ 
+                        priv->flags |= INIT_DONE;
+                }
+ 
++               ECHECKER(ret, mt9t112_init_camera(client));
++
++               /* Invert PCLK (Data sampled on falling edge of pixclk) */
++               mt9t112_reg_write(ret, client, 0x3C20, param);
++
++               mdelay(5);
+                mt9t112_mcu_write(ret, client, VAR(26, 7),
+                                  mt9t112_pixfmt_to_fmt(priv->pix.pixelformat));
+                mt9t112_mcu_write(ret, client, VAR(26, 9),
+-- 
+1.6.6.1
+