diff options
Diffstat (limited to 'extras/recipes-kernel/linux/linux-omap-psp-2.6.32/cam/0062-omap3beagle-camera-Prepare-24MHz-xclk-for-mt9t112.patch')
| -rw-r--r-- | extras/recipes-kernel/linux/linux-omap-psp-2.6.32/cam/0062-omap3beagle-camera-Prepare-24MHz-xclk-for-mt9t112.patch | 62 |
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 + |