1 files changed, 62 insertions, 0 deletions

diff --git a/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/cam/0062-omap3beagle-camera-Prepare-24MHz-xclk-for-mt9t112.patch b/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/cam/0062-omap3beagle-camera-Prepare-24MHz-xclk-for-mt9t112.patch
new file mode 100644
index 00000000..2550430c
--- /dev/null
+++ b/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/cam/0062-omap3beagle-camera-Prepare-24MHz-xclk-for-mt9t112.patch
@@ -0,0 +1,62 @@
+From b00bc4caeb798661983eca4f548f0f69301bfb32 Mon Sep 17 00:00:00 2001
+From: Sergio Aguirre <saaguirre@ti.com>
+Date: Thu, 15 Jul 2010 23:43:20 -0500
+Subject: [PATCH 62/75] omap3beagle: camera: Prepare 24MHz xclk for mt9t112
+
+Adjust calculations of timings based on # of EXTCLK cycles.
+
+Also, set default requested framerate to 30 fps.
+
+Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
+---
+ arch/arm/mach-omap2/board-omap3beagle-camera.c |   16 ++++++++--------
+ 1 files changed, 8 insertions(+), 8 deletions(-)
+
+diff --git a/arch/arm/mach-omap2/board-omap3beagle-camera.c b/arch/arm/mach-omap2/board-omap3beagle-camera.c
+index 75622bf..520e1d8 100644
+--- a/arch/arm/mach-omap2/board-omap3beagle-camera.c
++++ b/arch/arm/mach-omap2/board-omap3beagle-camera.c
+@@ -264,7 +264,7 @@ static struct omap34xxcam_hw_config mt9t112_hwc = {
+        .dev_type               = OMAP34XXCAM_SLAVE_SENSOR,
+        .u.sensor.sensor_isp    = 0,
+        .u.sensor.capture_mem   = MT9T112_BIGGEST_FRAME_BYTE_SIZE,
+-       .u.sensor.ival_default  = { 1, 10 },
++       .u.sensor.ival_default  = { 1, 30 },
+ };
+ #endif
+ 
+@@ -331,24 +331,24 @@ static int mt9t112_power_set(struct v4l2_int_device *s, enum v4l2_power power)
+                mdelay(50);
+ 
+                /* Enable EXTCLK */
+-               isp_set_xclk(vdev->cam->isp, MT9T112_CLK_MIN, CAM_USE_XCLKA);
++               isp_set_xclk(vdev->cam->isp, 24000000, CAM_USE_XCLKA);
+ 
+                /*
+-                * Wait at least 70 CLK cycles (w/EXTCLK = 6MHz, or CLK_MIN):
+-                * ((1000000 * 70) / 6000000) = aprox 12 us.
++                * Wait at least 70 CLK cycles (w/EXTCLK = 24MHz):
++                * ((1000000 * 70) / 24000000) = aprox 2.91 us.
+                 */
+ 
+-               udelay(12);
++               udelay(3);
+ 
+                /* Set RESET_BAR to 1 */
+                gpio_set_value(LEOPARD_RESET_GPIO, 1);
+ 
+                /*
+-                * Wait at least 100 CLK cycles (w/EXTCLK = 6MHz, or CLK_MIN):
+-                * ((1000000 * 100) / 6000000) = aprox 17 us.
++                * Wait at least 100 CLK cycles (w/EXTCLK = 24MHz):
++                * ((1000000 * 100) / 24000000) = aprox 4.16 us.
+                 */
+ 
+-               udelay(17);
++               udelay(5);
+ 
+                break;
+ 
+-- 
+1.6.6.1
+