1 files changed, 68 insertions, 0 deletions

diff --git a/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/cam/0073-mt9v113-Fix-State-variable-handling.patch b/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/cam/0073-mt9v113-Fix-State-variable-handling.patch
new file mode 100644
index 00000000..9bd006e1
--- /dev/null
+++ b/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/cam/0073-mt9v113-Fix-State-variable-handling.patch
@@ -0,0 +1,68 @@
+From e3d5c3eb67e2ef91e08b0fcd26778b8505268a8a Mon Sep 17 00:00:00 2001
+From: Sergio Aguirre <saaguirre@ti.com>
+Date: Thu, 22 Jul 2010 13:29:16 -0500
+Subject: [PATCH 73/75] mt9v113: Fix State variable handling
+
+State variable was misused, and was running detection all the
+time the sensor was powered back on.
+
+Reason? power off code was putting it to "not detected" always.
+
+Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
+---
+ drivers/media/video/mt9v113.c |   23 ++++++++++++++---------
+ 1 files changed, 14 insertions(+), 9 deletions(-)
+
+diff --git a/drivers/media/video/mt9v113.c b/drivers/media/video/mt9v113.c
+index 6714240..37e3e19 100644
+--- a/drivers/media/video/mt9v113.c
++++ b/drivers/media/video/mt9v113.c
+@@ -1251,7 +1251,6 @@ static int ioctl_s_power(struct v4l2_int_device *s, enum v4l2_power on)
+                /* Disable mux for mt9v113 data path */
+                if (decoder->pdata->power_set)
+                        err |= decoder->pdata->power_set(s, on);
+-               decoder->state = STATE_NOT_DETECTED;
+                break;
+ 
+        case V4L2_POWER_STANDBY:
+@@ -1260,23 +1259,29 @@ static int ioctl_s_power(struct v4l2_int_device *s, enum v4l2_power on)
+                break;
+ 
+        case V4L2_POWER_ON:
+-               /* Enable mux for mt9v113 data path */
+-               if (decoder->state == STATE_NOT_DETECTED) {
+-
+-                       if (decoder->pdata->power_set)
+-                               err = decoder->pdata->power_set(s, on);
++               if (decoder->pdata->power_set) {
++                       err = decoder->pdata->power_set(s, on);
++                       if (err)
++                               return err;
++               }
+ 
++               if (decoder->state == STATE_NOT_DETECTED) {
+                        /* Detect the sensor is not already detected */
+-                       err |= mt9v113_detect(decoder);
++                       err = mt9v113_detect(decoder);
+                        if (err) {
+                                v4l_err(decoder->client,
+                                                "Unable to detect decoder\n");
++                               WARN_ON(1);
+                                return err;
+                        }
+                }
+                /* Only VGA mode for now */
+-               err |= mt9v113_configure(decoder);
+-               err |= mt9v113_vga_mode(decoder);
++               err = mt9v113_configure(decoder);
++               if (err)
++                       return err;
++               err = mt9v113_vga_mode(decoder);
++               if (err)
++                       return err;
+                break;
+ 
+        default:
+-- 
+1.6.6.1
+