diff options
Diffstat (limited to 'extras/recipes-kernel/linux/linux-omap-psp-2.6.32/cam/0058-mt9t112-Do-init_camera-every-powerup.patch')
| -rw-r--r-- | extras/recipes-kernel/linux/linux-omap-psp-2.6.32/cam/0058-mt9t112-Do-init_camera-every-powerup.patch | 57 |
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 + |