make[1]: Leaving directory `/media/build/OE/build/tmp/angstrom/work/h2200-angstrom-linux-gnueabi/linux-handhelds-2.6-2.6.19-hh13-r1/kernel26'
  LD      .tmp_vmlinux1
drivers/built-in.o: In function `samcop_sdi_shutdown':
battery.c:(.text+0x5a840): undefined reference to `samcop_dma_free'
drivers/built-in.o: In function `samcop_sdi_probe':
battery.c:(.text+0x5a98c): undefined reference to `samcop_dma_request'
battery.c:(.text+0x5aa74): undefined reference to `samcop_dma_free'
drivers/built-in.o: In function `samcop_sdi_dma_setup':
battery.c:(.text+0x5ac40): undefined reference to `samcop_dma_devconfig'
battery.c:(.text+0x5ac58): undefined reference to `samcop_dma_config'
battery.c:(.text+0x5ac68): undefined reference to `samcop_dma_set_buffdone_fn'
battery.c:(.text+0x5ac78): undefined reference to `samcop_dma_setflags'
drivers/built-in.o: In function `samcop_sdi_request':
battery.c:(.text+0x5b1a4): undefined reference to `samcop_dma_enqueue'
battery.c:(.text+0x5b348): undefined reference to `samcop_dma_ctrl'
sound/built-in.o: In function `snd_h2200_audio_hp_detection_on':
last.c:(.text+0x171f4): undefined reference to `hamcop_set_gpio_b_con'
last.c:(.text+0x17204): undefined reference to `hamcop_set_gpio_b_int'
last.c:(.text+0x1720c): undefined reference to `hamcop_irq_base'
last.c:(.text+0x1723c): undefined reference to `hamcop_get_gpio_b'
sound/built-in.o: In function `snd_h2200_audio_hp_isr':
last.c:(.text+0x172a0): undefined reference to `hamcop_get_gpio_b'
sound/built-in.o: In function `snd_h2200_audio_hp_detection_off':
last.c:(.text+0x172e4): undefined reference to `hamcop_set_gpio_b_int'
last.c:(.text+0x172ec): undefined reference to `hamcop_irq_base'
make: *** [.tmp_vmlinux1] Error 1
FATAL: oe_runmake failed