camera: add some message when camera io initiation failed

diff --git a/drivers/media/video/rk29_camera.c b/drivers/media/video/rk29_camera.c
index 543b0728473e4b13100053b641869d8c531d81fb..826cae43ef55de9e85af75b29b969153cba249b5 100644 (file)
--- a/drivers/media/video/rk29_camera.c
+++ b/drivers/media/video/rk29_camera.c
@@ -272,10 +272,13 @@ static int rk29_sensor_io_init(void)
             ret = gpio_request(camera_power, "camera power");\r
             if (ret) {\r
                 if (i == 0) {\r
+                    printk("\n%s..%s..power pin(%d) init failed\n",__FUNCTION__,rk29_camera_platform_data.gpio_res[i].dev_name,camera_power);\r
                                    goto sensor_io_int_loop_end;\r
                 } else {\r
-                    if (camera_power != rk29_camera_platform_data.gpio_res[0].gpio_power)\r
+                    if (camera_power != rk29_camera_platform_data.gpio_res[0].gpio_power) {\r
+                        printk("\n%s..%s..power pin(%d) init failed\n",__FUNCTION__,rk29_camera_platform_data.gpio_res[i].dev_name,camera_power);\r
                         goto sensor_io_int_loop_end;\r
+                    }\r
                 }\r
             }\r
 \r
@@ -289,8 +292,10 @@ static int rk29_sensor_io_init(void)
 \r
         if (camera_reset != INVALID_GPIO) {\r
             ret = gpio_request(camera_reset, "camera reset");\r
-            if (ret)\r
-                               goto sensor_io_int_loop_end;\r
+            if (ret) {\r
+                printk("\n%s..%s..reset pin(%d) init failed\n",__FUNCTION__,rk29_camera_platform_data.gpio_res[i].dev_name,camera_reset);\r
+                goto sensor_io_int_loop_end;\r
+            }\r
                        rk29_camera_platform_data.gpio_res[i].gpio_init |= RK29_CAM_RESETACTIVE_MASK;\r
             gpio_set_value(camera_reset, ((camera_ioflag&RK29_CAM_RESETACTIVE_MASK)>>RK29_CAM_RESETACTIVE_BITPOS));\r
             gpio_direction_output(camera_reset, ((camera_ioflag&RK29_CAM_RESETACTIVE_MASK)>>RK29_CAM_RESETACTIVE_BITPOS));\r
@@ -301,8 +306,10 @@ static int rk29_sensor_io_init(void)
 \r
                if (camera_powerdown != INVALID_GPIO) {\r
             ret = gpio_request(camera_powerdown, "camera powerdown");\r
-            if (ret)\r
-                               goto sensor_io_int_loop_end;\r
+            if (ret) {\r
+                printk("\n%s..%s..powerdown pin(%d) init failed\n",__FUNCTION__,rk29_camera_platform_data.gpio_res[i].dev_name,camera_powerdown);\r
+                goto sensor_io_int_loop_end;\r
+            }\r
                        rk29_camera_platform_data.gpio_res[i].gpio_init |= RK29_CAM_POWERDNACTIVE_MASK;\r
             gpio_set_value(camera_powerdown, ((camera_ioflag&RK29_CAM_POWERDNACTIVE_MASK)>>RK29_CAM_POWERDNACTIVE_BITPOS));\r
             gpio_direction_output(camera_powerdown, ((camera_ioflag&RK29_CAM_POWERDNACTIVE_MASK)>>RK29_CAM_POWERDNACTIVE_BITPOS));\r
@@ -313,8 +320,10 @@ static int rk29_sensor_io_init(void)
 \r
                if (camera_flash != INVALID_GPIO) {\r
             ret = gpio_request(camera_flash, "camera flash");\r
-            if (ret)\r
+            if (ret) {\r
+                printk("\n%s..%s..flash pin(%d) init failed\n",__FUNCTION__,rk29_camera_platform_data.gpio_res[i].dev_name,camera_flash);\r
                                goto sensor_io_int_loop_end;\r
+            }\r
                        rk29_camera_platform_data.gpio_res[i].gpio_init |= RK29_CAM_FLASHACTIVE_MASK;\r
             gpio_set_value(camera_flash, ((~camera_ioflag&RK29_CAM_FLASHACTIVE_MASK)>>RK29_CAM_FLASHACTIVE_BITPOS));    /* falsh off */\r
             gpio_direction_output(camera_flash, ((~camera_ioflag&RK29_CAM_FLASHACTIVE_MASK)>>RK29_CAM_FLASHACTIVE_BITPOS));\r
@@ -341,6 +350,8 @@ static int rk29_sensor_io_deinit(int sensor)
        camera_powerdown = rk29_camera_platform_data.gpio_res[sensor].gpio_powerdown;\r
     camera_flash = rk29_camera_platform_data.gpio_res[sensor].gpio_flash;\r
 \r
+    printk("\n%s..%s enter..",__FUNCTION__,rk29_camera_platform_data.gpio_res[sensor].dev_name);\r
+\r
        if (rk29_camera_platform_data.gpio_res[sensor].gpio_init & RK29_CAM_POWERACTIVE_MASK) {\r
            if (camera_power != INVALID_GPIO) {\r
                gpio_direction_input(camera_power);\r
@@ -446,7 +457,7 @@ static int rk29_sensor_power(struct device *dev, int on)
        rk29_sensor_ioctrl(dev,Cam_Power,on);\r
     return 0;\r
 }\r
-#if 0\r
+#if (CONFIG_SENSOR_RESET_PIN_0 != INVALID_GPIO) || (CONFIG_SENSOR_RESET_PIN_1 != INVALID_GPIO)\r
 static int rk29_sensor_reset(struct device *dev)\r
 {\r
        rk29_sensor_ioctrl(dev,Cam_Reset,1);\r
@@ -469,6 +480,9 @@ static struct i2c_board_info rk29_i2c_cam_info_0[] = {
 static struct soc_camera_link rk29_iclink_0 = {\r
        .bus_id         = RK29_CAM_PLATFORM_DEV_ID,\r
        .power          = rk29_sensor_power,\r
+#if (CONFIG_SENSOR_RESET_PIN_0 != INVALID_GPIO)\r
+    .reset      = rk29_sensor_reset,\r
+#endif    \r
        .powerdown  = rk29_sensor_powerdown,\r
        .board_info     = &rk29_i2c_cam_info_0[0],\r
        .i2c_adapter_id = CONFIG_SENSOR_IIC_ADAPTER_ID_0,\r
@@ -494,6 +508,9 @@ static struct i2c_board_info rk29_i2c_cam_info_1[] = {
 static struct soc_camera_link rk29_iclink_1 = {\r
        .bus_id         = RK29_CAM_PLATFORM_DEV_ID,\r
        .power          = rk29_sensor_power,\r
+#if (CONFIG_SENSOR_RESET_PIN_1 != INVALID_GPIO)\r
+    .reset      = rk29_sensor_reset,\r
+#endif         \r
        .powerdown  = rk29_sensor_powerdown,\r
        .board_info     = &rk29_i2c_cam_info_1[0],\r
        .i2c_adapter_id = CONFIG_SENSOR_IIC_ADAPTER_ID_1,\r