[参考译文] TAS2780：IMX8MP SoC 的 DTS 设置和音频支持

您好，Shenghao，  

我试图将 lpaa-android-drivers/tasdriver-linux-driver 作为外部模块纳入我的 Yocto 项目,但它在编译时失败: 错误:'fw_action_uevENT' undecade  

请参阅以下内容：  

Log data follows:
| DEBUG: Executing shell function do_compile
| NOTE: make -j 8 KERNEL_SRC=/data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work-shared/lec-imx8mp/kernel-source KERNEL_PATH=/data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work-shared/lec-imx8mp/kernel-source KERNEL_VERSION=5.10.72-lts-5.10.y+ge1553135bba4 CC=ccache aarch64-poky-linux-gcc   -fuse-ld=bfd -fmacro-prefix-map=/data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0=/usr/src/debug/tasdevice-mod/0.1-r0                      -fdebug-prefix-map=/data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0=/usr/src/debug/tasdevice-mod/0.1-r0                      -fdebug-prefix-map=/data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/recipe-sysroot=                      -fdebug-prefix-map=/data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/recipe-sysroot-native=  -fdebug-prefix-map=/data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work-shared/lec-imx8mp/kernel-source=/usr/src/kernel LD=ccache aarch64-poky-linux-ld.bfd   AR=ccache aarch64-poky-linux-ar  O=/data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work-shared/lec-imx8mp/kernel-build-artifacts KBUILD_EXTRA_SYMBOLS=
| make -C /data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work-shared/lec-imx8mp/kernel-source M=/data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0
| make[1]: Entering directory '/data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work-shared/lec-imx8mp/kernel-source'
| make[2]: Entering directory '/data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work-shared/lec-imx8mp/kernel-build-artifacts'
|   CC [M]  /data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tasdevice-regbin.o
|   CC [M]  /data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tasdevice-core.o
|   CC [M]  /data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tasdevice-node.o
|   CC [M]  /data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tasdevice-rw.o
|   CC [M]  /data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tas2780-irq.o
|   CC [M]  /data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tas2770-irq.o
|   CC [M]  /data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tas2564-irq.o
|   CC [M]  /data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tas2560-irq.o
|   CC [M]  /data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/pcm9211-irq.o
| ../../../work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tasdevice-core.c: In function 'tasdevice_codec_probe':
| ../../../work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tasdevice-core.c:395:45: error: 'FW_ACTION_UEVENT' undeclared (first use in this function)
|   395 |  ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT,
|       |                                             ^~~~~~~~~~~~~~~~
| ../../../work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tasdevice-core.c:395:45: note: each undeclared identifier is reported only once for each function it appears in
| ../../../work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tasdevice-core.c: At top level:
| ../../../work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tasdevice-core.c:549:4: error: 'struct snd_soc_dai_driver' has no member named 'symmetric_rate'; did you mean 'symmetric_rates'?
|   549 |   .symmetric_rate = 1,
|       |    ^~~~~~~~~~~~~~
|       |    symmetric_rates
| ../../../work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tasdevice-core.c:549:21: warning: initialization of 'const struct snd_soc_cdai_ops *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
|   549 |   .symmetric_rate = 1,
|       |                     ^
| ../../../work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tasdevice-core.c:549:21: note: (near initialization for 'tasdevice_dai_driver[0].cops')
| make[3]: *** [/data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work-shared/lec-imx8mp/kernel-source/scripts/Makefile.build:280: /data/build/adlink-yocto-bsp_1v5/dls01build/tmp/work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tasdevice-core.o] Error 1
| make[3]: *** Waiting for unfinished jobs....
| ../../../work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tasdevice-node.c: In function 'tas_fwload_store':
| ../../../work/lec_imx8mp-poky-linux/tasdevice-mod/0.1-r0/tasdevice-node.c:554:46: error: 'FW_ACTION_UEVENT' undeclared (first use in this function)
|   554 |   ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT,
|       |                                              ^~~~~~~~~~~~~~~~

如何生成 bin (固件)文件？  

如果我  在内部版本中使用 tas2780.c，我需要这些步骤吗？还需要固件吗？