on latest -git, with this config:
http://redhat.com/~mingo/misc/config-Mon_Apr_28_13_25_34_CEST_2008.bad
CONFIG_SOC_CAMERA_MT9M001=y
CONFIG_SOC_CAMERA_MT9V022=y
# CONFIG_I2C is not set
the build fails:
drivers/built-in.o: In function `reg_read':
mt9m001.c:(.text+0x140a87): undefined reference to `i2c_smbus_read_word_data'
drivers/built-in.o: In function `reg_write':
mt9m001.c:(.text+0x140b6e): undefined reference to `i2c_smbus_write_word_data'
drivers/built-in.o: In function `reg_read':
mt9v022.c:(.text+0x1413a7): undefined reference to `i2c_smbus_read_word_data'
drivers/built-in.o: In function `reg_write':
mt9v022.c:(.text+0x1414ce): undefined reference to `i2c_smbus_write_word_data'
drivers/built-in.o: In function `mt9m001_mod_init':
mt9m001.c:(.init.text+0x158a8): undefined reference to `i2c_register_driver'
drivers/built-in.o: In function `mt9v022_mod_init':
mt9v022.c:(.init.text+0x158b8): undefined reference to `i2c_register_driver'
drivers/built-in.o: In function `mt9m001_mod_exit':
mt9m001.c:(.exit.text+0x1656): undefined reference to `i2c_del_driver'
drivers/built-in.o: In function `mt9v022_mod_exit':
mt9v022.c:(.exit.text+0x1666): undefined reference to `i2c_del_driver'
adding the missing I2C dependency fixes it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
drivers/media/video/Kconfig | 1 +
1 file changed, 1 insertion(+)
Index: linux/drivers/media/video/Kconfig
===================================================================
--- linux.orig/drivers/media/video/Kconfig
+++ linux/drivers/media/video/Kconfig
@@ -850,6 +850,7 @@ endif # V4L_USB_DRIVERS
config SOC_CAMERA
tristate "SoC camera support"
depends on VIDEO_V4L2
+ depends on I2C
select VIDEOBUF_DMA_SG
help
SoC Camera is a common API to several cameras, not connecting
--
