类似snd-pcm.o、snd-timer.o、snd.o对应源文件是哪个呢

2015-01-05 02:24:02 191 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

Linux ALSA驱动开发实战：从零开始手把手搭建音频设备驱动（附完整代码）本文详细介绍了Linux ALSA驱动开发的全过程，从环境准备到snd_card创建、PCM设备实现及控制接口开发。通过实战代码示例，帮助开发者掌握音频设备驱动的核心架构与实现技巧，适用于嵌入式Linux音频开发场景。阅读详情

这些.o是我编译内核时找到的，但不知道它们对应的源文件是哪个(百度GOOGLE了很久，找不到)
我用的内核是linux3.0.101
对应目录在：linux3.0.101/sound/
生成这个文件的makefile语句是：obj-$(CONFIG_SND_PCM) += snd-pcm.o snd-page-alloc.o
但该目录下没有snd-pcm.s或者snd-pcm.c之类的源文件
详见如下命令：



linux-3.0.101$ find -iname snd*|sort

./drivers/staging/go7007/snd-go7007.c

./include/config/snd

./include/config/snd.h

./include/sound/snd_wavefront.h

./sound/core/snd.o

./sound/core/snd-page-alloc.o

./sound/core/snd-pcm.o

./sound/core/snd-timer.o

./sound/ppc/snd_ps3.c

./sound/ppc/snd_ps3.h

./sound/ppc/snd_ps3_reg.h

./sound/soc/atmel/snd-soc-afeb9260.c

./sound/soc/codecs/snd-soc-mxc-hdmi.o

./sound/soc/codecs/snd-soc-mxc-spdif.o

./sound/soc/codecs/snd-soc-wm8962.o

./sound/soc/imx/snd-soc-imx-hdmi.o

./sound/soc/imx/snd-soc-imx-mx2.o

./sound/soc/imx/snd-soc-imx.o

./sound/soc/imx/snd-soc-imx-spdif-dai.o

./sound/soc/imx/snd-soc-imx-spdif.o

./sound/soc/imx/snd-soc-imx-wm8962.o

./sound/soc/snd-soc-core.o