diff options
Diffstat (limited to 'recipes/linux/linux-omap-psp-2.6.32/cam/0066-mt9t112-Add-Context-selection-to-configuration.patch')
| -rw-r--r-- | recipes/linux/linux-omap-psp-2.6.32/cam/0066-mt9t112-Add-Context-selection-to-configuration.patch | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-psp-2.6.32/cam/0066-mt9t112-Add-Context-selection-to-configuration.patch b/recipes/linux/linux-omap-psp-2.6.32/cam/0066-mt9t112-Add-Context-selection-to-configuration.patch new file mode 100644 index 0000000000..adda004db0 --- /dev/null +++ b/recipes/linux/linux-omap-psp-2.6.32/cam/0066-mt9t112-Add-Context-selection-to-configuration.patch @@ -0,0 +1,96 @@ +From d53224070b960f08989a50f1786adeecfca227eb Mon Sep 17 00:00:00 2001 +From: Sergio Aguirre <saaguirre@ti.com> +Date: Sun, 18 Jul 2010 01:12:41 -0500 +Subject: [PATCH 66/71] mt9t112: Add Context selection to configuration + +Thsi makes always start at least with preview mode +(context A), and then, if needed, transition to capture +mode (context B) + +Signed-off-by: Sergio Aguirre <saaguirre@ti.com> +--- + drivers/media/video/mt9t112.c | 54 +++++++++++++++++++++++++++++++++++++++++ + 1 files changed, 54 insertions(+), 0 deletions(-) + +diff --git a/drivers/media/video/mt9t112.c b/drivers/media/video/mt9t112.c +index ee991ef..ec7514f 100644 +--- a/drivers/media/video/mt9t112.c ++++ b/drivers/media/video/mt9t112.c +@@ -73,6 +73,9 @@ + #define mt9t112_reg_read(ret, client, a) \ + ECHECKER(ret, __mt9t112_reg_read(client, a)) + ++#define mt9t112_mcu_read(ret, client, a) \ ++ ECHECKER(ret, __mt9t112_mcu_read(client, a)) ++ + /* + * Logical address + */ +@@ -737,6 +740,50 @@ static int mt9t112_auto_focus_trigger(const struct i2c_client *client) + return ret; + } + ++static int mt9t112_goto_preview(const struct i2c_client *client) ++{ ++ int ret, trycount = 0; ++ ++ /* Is it already in preview mode? */ ++ mt9t112_mcu_read(ret, client, VAR8(1, 1)); ++ if (ret == 0x3) ++ return 0; ++ ++ /* Go to preview mode */ ++ mt9t112_mcu_write(ret, client, VAR8(1, 0), 1); ++ do { ++ mt9t112_mcu_read(ret, client, VAR8(1, 1)); ++ mdelay(1); ++ } while ((ret != 0x3) && (++trycount < 100)); ++ ++ if (trycount >= 100) ++ return -EBUSY; ++ ++ return 0; ++} ++ ++static int mt9t112_goto_capture(const struct i2c_client *client) ++{ ++ int ret, trycount = 0; ++ ++ /* Is it already in capture mode? */ ++ mt9t112_mcu_read(ret, client, VAR8(1, 1)); ++ if (ret == 0x7) ++ return 0; ++ ++ /* Go to capture mode */ ++ mt9t112_mcu_write(ret, client, VAR8(1, 0), 2); ++ do { ++ mt9t112_mcu_read(ret, client, VAR8(1, 1)); ++ mdelay(1); ++ } while ((ret != 0x7) && (++trycount < 100)); ++ ++ if (trycount >= 100) ++ return -EBUSY; ++ ++ return 0; ++} ++ + static int mt9t112_init_camera(const struct i2c_client *client) + { + int ret; +@@ -1034,6 +1081,13 @@ static int mt9t112_v4l2_int_s_power(struct v4l2_int_device *s, + + ECHECKER(ret, mt9t112_auto_focus_trigger(client)); + ++ ECHECKER(ret, mt9t112_goto_preview(client)); ++ ++ if ((priv->pix.width == MAX_WIDTH) && ++ (priv->pix.height == MAX_HEIGHT)) { ++ ECHECKER(ret, mt9t112_goto_capture(client)); ++ } ++ + dev_dbg(&client->dev, "format : %d\n", priv->pix.pixelformat); + dev_dbg(&client->dev, "size : %d x %d\n", + priv->pix.width, +-- +1.6.6.1 + |