Re: [PATCH -mmotm] staging/easycap: fix build when SND is not enabled

[Tomas Winkler]

On Sat, Feb 5, 2011 at 7:36 PM, Randy Dunlap <randy.dunlap@xxxxxxxxxx> wrote:
> From: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
>
> Fix easycap build when CONFIG_SOUND is enabled but CONFIG_SND is
> not enabled.
>
> These functions are only built when CONFIG_SND is enabled, so the
> driver should depend on SND.
> This means that having SND enabled is required for the (obsolete)
> EASYCAP_OSS config option.

Actually SND enabled is needed when EASYCAP_OSS is NOT set.
I'm not sure, though how to force it in Kconfig,
I didn't want to use choice ALSA, OSS as the OSS will be removed later.

Unfortunately I cannot do something like
if EASYCAP_OSS == n
    select SND
endif

I will try to come with proper fix

Thanks
Tomas




>
> drivers/built-in.o: In function `easycap_usb_disconnect':
> easycap_main.c:(.text+0x2aba20): undefined reference to `snd_card_free'
> drivers/built-in.o: In function `easycap_alsa_probe':
> (.text+0x2b784b): undefined reference to `snd_card_create'
> drivers/built-in.o: In function `easycap_alsa_probe':
> (.text+0x2b78fb): undefined reference to `snd_pcm_new'
> drivers/built-in.o: In function `easycap_alsa_probe':
> (.text+0x2b7916): undefined reference to `snd_pcm_set_ops'
> drivers/built-in.o: In function `easycap_alsa_probe':
> (.text+0x2b795b): undefined reference to `snd_card_register'
> drivers/built-in.o: In function `easycap_alsa_probe':
> (.text+0x2b79d8): undefined reference to `snd_card_free'
> drivers/built-in.o: In function `easycap_alsa_probe':
> (.text+0x2b7a78): undefined reference to `snd_card_free'
> drivers/built-in.o: In function `easycap_alsa_complete':
> (.text+0x2b7e68): undefined reference to `snd_pcm_period_elapsed'
> drivers/built-in.o:(.data+0x2cae8): undefined reference to `snd_pcm_lib_ioctl'
>
> Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
> Cc: R.M. Thomas <rmthomas@xxxxxxxxxxx>
> ---
> Âdrivers/staging/easycap/Kconfig | Â Â2 +-
> Â1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- mmotm-2011-0204-1515.orig/drivers/staging/easycap/Kconfig
> +++ mmotm-2011-0204-1515/drivers/staging/easycap/Kconfig
> @@ -1,6 +1,6 @@
> Âconfig EASYCAP
> Â Â Â Âtristate "EasyCAP USB ID 05e1:0408 support"
> - Â Â Â depends on USB && VIDEO_DEV && SOUND
> + Â Â Â depends on USB && VIDEO_DEV && SND
>
> Â Â Â Â---help---
> Â Â Â Â ÂThis is an integrated audio/video driver for EasyCAP cards with
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