[alsa-devel] [PATCH v4] ASoC: dfbmcs320: make the driver common for other BT modules
Barry Song
21cnbao at gmail.com
Sat May 18 14:25:00 CEST 2013
DFBM-CS320 is only one of bluetooth modules using CSR bluetooth chips,
we don't want everyone to have a seperate codec driver. anyway, the
feature of Bluetooth SCO is same on all platforms, so this patch
makes the DFBM-CS320 driver become a common BT SCO link driver.
Cc: Graeme Gregory <graeme at openmoko.org>
Cc: Lars-Peter Clausen <lars at metafoo.de>
Signed-off-by: Barry Song <Baohua.Song at csr.com>
---
v4:
change "select SND_SOC_DFBMCS320" to "select SND_SOC_BT_SCO" for OpenMOKO user
as v3 missed this
sound/soc/codecs/Kconfig | 4 ++--
sound/soc/codecs/Makefile | 4 ++--
sound/soc/codecs/{dfbmcs320.c => bt-sco.c} | 37 +++++++++++++++++++-----------
sound/soc/samsung/Kconfig | 2 +-
sound/soc/samsung/neo1973_wm8753.c | 2 +-
5 files changed, 29 insertions(+), 20 deletions(-)
rename sound/soc/codecs/{dfbmcs320.c => bt-sco.c} (53%)
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index d8c4f3d..386292d 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -40,7 +40,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_DA7213 if I2C
select SND_SOC_DA732X if I2C
select SND_SOC_DA9055 if I2C
- select SND_SOC_DFBMCS320
+ select SND_SOC_BT_SCO
select SND_SOC_ISABELLE if I2C
select SND_SOC_JZ4740_CODEC
select SND_SOC_LM4857 if I2C
@@ -263,7 +263,7 @@ config SND_SOC_DA732X
config SND_SOC_DA9055
tristate
-config SND_SOC_DFBMCS320
+config SND_SOC_BT_SCO
tristate
config SND_SOC_DMIC
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 49ff127..82aa34e 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -27,7 +27,7 @@ snd-soc-da7210-objs := da7210.o
snd-soc-da7213-objs := da7213.o
snd-soc-da732x-objs := da732x.o
snd-soc-da9055-objs := da9055.o
-snd-soc-dfbmcs320-objs := dfbmcs320.o
+snd-soc-bt-sco-objs := bt-sco.o
snd-soc-dmic-objs := dmic.o
snd-soc-isabelle-objs := isabelle.o
snd-soc-jz4740-codec-objs := jz4740.o
@@ -154,7 +154,7 @@ obj-$(CONFIG_SND_SOC_DA7210) += snd-soc-da7210.o
obj-$(CONFIG_SND_SOC_DA7213) += snd-soc-da7213.o
obj-$(CONFIG_SND_SOC_DA732X) += snd-soc-da732x.o
obj-$(CONFIG_SND_SOC_DA9055) += snd-soc-da9055.o
-obj-$(CONFIG_SND_SOC_DFBMCS320) += snd-soc-dfbmcs320.o
+obj-$(CONFIG_SND_SOC_BT_SCO) += snd-soc-bt-sco.o
obj-$(CONFIG_SND_SOC_DMIC) += snd-soc-dmic.o
obj-$(CONFIG_SND_SOC_ISABELLE) += snd-soc-isabelle.o
obj-$(CONFIG_SND_SOC_JZ4740_CODEC) += snd-soc-jz4740-codec.o
diff --git a/sound/soc/codecs/dfbmcs320.c b/sound/soc/codecs/bt-sco.c
similarity index 53%
rename from sound/soc/codecs/dfbmcs320.c
rename to sound/soc/codecs/bt-sco.c
index 4f4f7f4..a081d9f 100644
--- a/sound/soc/codecs/dfbmcs320.c
+++ b/sound/soc/codecs/bt-sco.c
@@ -1,5 +1,5 @@
/*
- * Driver for the DFBM-CS320 bluetooth module
+ * Driver for generic Bluetooth SCO link
* Copyright 2011 Lars-Peter Clausen <lars at metafoo.de>
*
* This program is free software; you can redistribute it and/or modify it
@@ -15,8 +15,8 @@
#include <sound/soc.h>
-static struct snd_soc_dai_driver dfbmcs320_dai = {
- .name = "dfbmcs320-pcm",
+static struct snd_soc_dai_driver bt_sco_dai = {
+ .name = "bt-sco-pcm",
.playback = {
.channels_min = 1,
.channels_max = 1,
@@ -31,32 +31,41 @@ static struct snd_soc_dai_driver dfbmcs320_dai = {
},
};
-static struct snd_soc_codec_driver soc_codec_dev_dfbmcs320;
+static struct snd_soc_codec_driver soc_codec_dev_bt_sco;
-static int dfbmcs320_probe(struct platform_device *pdev)
+static int bt_sco_probe(struct platform_device *pdev)
{
- return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_dfbmcs320,
- &dfbmcs320_dai, 1);
+ return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_bt_sco,
+ &bt_sco_dai, 1);
}
-static int dfbmcs320_remove(struct platform_device *pdev)
+static int bt_sco_remove(struct platform_device *pdev)
{
snd_soc_unregister_codec(&pdev->dev);
return 0;
}
-static struct platform_driver dfmcs320_driver = {
+static struct platform_device_id bt_sco_driver_ids[] = {
+ {
+ .name = "dfbmcs320",
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(platform, bt_sco_driver_ids);
+
+static struct platform_driver bt_sco_driver = {
.driver = {
- .name = "dfbmcs320",
+ .name = "bt-sco",
.owner = THIS_MODULE,
},
- .probe = dfbmcs320_probe,
- .remove = dfbmcs320_remove,
+ .probe = bt_sco_probe,
+ .remove = bt_sco_remove,
+ .id_table = bt_sco_driver_ids,
};
-module_platform_driver(dfmcs320_driver);
+module_platform_driver(bt_sco_driver);
MODULE_AUTHOR("Lars-Peter Clausen <lars at metafoo.de>");
-MODULE_DESCRIPTION("ASoC DFBM-CS320 bluethooth module driver");
+MODULE_DESCRIPTION("ASoC generic bluethooth sco link driver");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/samsung/Kconfig b/sound/soc/samsung/Kconfig
index 475fb0d..ae0ea87 100644
--- a/sound/soc/samsung/Kconfig
+++ b/sound/soc/samsung/Kconfig
@@ -39,7 +39,7 @@ config SND_SOC_SAMSUNG_NEO1973_WM8753
depends on SND_SOC_SAMSUNG && MACH_NEO1973_GTA02
select SND_S3C24XX_I2S
select SND_SOC_WM8753
- select SND_SOC_DFBMCS320
+ select SND_SOC_SCO
help
Say Y here to enable audio support for the Openmoko Neo1973
Smartphones.
diff --git a/sound/soc/samsung/neo1973_wm8753.c b/sound/soc/samsung/neo1973_wm8753.c
index e591c38..807db41 100644
--- a/sound/soc/samsung/neo1973_wm8753.c
+++ b/sound/soc/samsung/neo1973_wm8753.c
@@ -373,7 +373,7 @@ static struct snd_soc_dai_link neo1973_dai[] = {
{ /* Voice via BT */
.name = "Bluetooth",
.stream_name = "Voice",
- .cpu_dai_name = "dfbmcs320-pcm",
+ .cpu_dai_name = "bt-sco-pcm",
.codec_dai_name = "wm8753-voice",
.codec_name = "wm8753.0-001a",
.ops = &neo1973_voice_ops,
--
1.8.2.3
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