On 2019/5/10 15:12, Takashi Iwai wrote:
On Fri, 10 May 2019 04:36:57 +0200, YueHaibing wrote:
Fix gcc build error while CONFIG_SND_SOC_SOF_NOCODEC=m
sound/soc/sof/core.o: In function `snd_sof_device_probe': core.c:(.text+0x4af): undefined reference to `sof_nocodec_setup'
Change SND_SOC_SOF_NOCODEC to bool to fix this.
Reported-by: Hulk Robot hulkci@huawei.com Fixes: c16211d6226d ("ASoC: SOF: Add Sound Open Firmware driver core") Signed-off-by: YueHaibing yuehaibing@huawei.com
This change would break things severely. This won't allow to build it as a module any longer.
A better fix would be to somehow restrict the SND_SOC_SOF_NOCODEC to align with SND_SOC_SOF, i.e. disallow SND_SOC_SOF=y && SND_SOC_SOF_NOCODEC=m. Because of the complex mix of select and depends-on in SOF, I'm afraid that it's not that trivial, though. There might be something I overlooked, hopefully...
An easier alternative would be to replace IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC) with IS_REACHABLE(CONFIG_SND_SOC_SOF_NOCODEC). This assures the condition at the build time, although the error at probe might be a surprising to some users that don't know this hidden dependency.
Yes, I prefer to use IS_REACHABLE, thanks!
thanks,
Takashi
sound/soc/sof/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/sof/Kconfig b/sound/soc/sof/Kconfig index b204c65..9c280c9 100644 --- a/sound/soc/sof/Kconfig +++ b/sound/soc/sof/Kconfig @@ -44,7 +44,7 @@ config SND_SOC_SOF_OPTIONS if SND_SOC_SOF_OPTIONS
config SND_SOC_SOF_NOCODEC
- tristate "SOF nocodec mode Support"
- bool "SOF nocodec mode Support" help This adds support for a dummy/nocodec machine driver fallback option if no known codec is detected. This is typically only
-- 2.7.4
.