[alsa-devel] [PATCH 2/2] ASoC: soc-compress: split soc-compress to a module

[Jie Yang]

Split soc-compress into a separate module so we only compile/load
it when it's needed.

Signed-off-by: Jie Yang <yang.jie at intel.com>
---
 sound/soc/Makefile       |  4 +++-
 sound/soc/soc-compress.c | 20 ++++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/sound/soc/Makefile b/sound/soc/Makefile
index 184c1e6..2936088 100644
--- a/sound/soc/Makefile
+++ b/sound/soc/Makefile
@@ -1,7 +1,9 @@
 snd-soc-core-objs := soc-core.o soc-dapm.o soc-jack.o soc-cache.o soc-utils.o
 snd-soc-core-objs += soc-pcm.o soc-io.o soc-devres.o soc-ops.o
 snd-soc-core-objs += soc-topology.o
-snd-soc-core-$(CONFIG_SND_SOC_COMPRESS) += soc-compress.o
+snd-soc-compress-objs := soc-compress.o
+
+obj-$(CONFIG_SND_SOC_COMPRESS) += snd-soc-compress.o
 
 ifneq ($(CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM),)
 snd-soc-core-objs += soc-generic-dmaengine-pcm.o
diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
index 025c38f..9683f53 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -19,6 +19,7 @@
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/workqueue.h>
+#include <linux/module.h>
 #include <sound/core.h>
 #include <sound/compress_params.h>
 #include <sound/compress_driver.h>
@@ -703,3 +704,22 @@ compr_err:
 	kfree(compr);
 	return ret;
 }
+
+static int __init soc_compress_init(void)
+{
+       return 0;
+}
+module_init(soc_compress_init);
+
+static void __exit soc_compress_exit(void)
+{
+}
+module_exit(soc_compress_exit);
+
+/* Module information */
+MODULE_AUTHOR("Namarta Kohli <namartax.kohli at intel.com>");
+MODULE_AUTHOR("Ramesh Babu K V <ramesh.babu at linux.intel.com>");
+MODULE_AUTHOR("Vinod Koul <vinod.koul at linux.intel.com>");
+MODULE_DESCRIPTION("ALSA SoC Compress");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:soc-compress");
-- 
1.9.1