[RFC PATCH 7/7] ASoC: add new ac97 bus support

From: Robert Jarzmik
Date: Sat Apr 30 2016 - 17:16:59 EST


Add the new ac97 bus support, with ac97 bus automatic probing.

Signed-off-by: Robert Jarzmik <robert.jarzmik@xxxxxxx>
---
sound/Kconfig | 7 +++++++
sound/Makefile | 1 +
sound/soc/Kconfig | 4 ++++
3 files changed, 12 insertions(+)

diff --git a/sound/Kconfig b/sound/Kconfig
index 5a240e050ae6..83d67eae3580 100644
--- a/sound/Kconfig
+++ b/sound/Kconfig
@@ -134,3 +134,10 @@ config AC97_BUS
sound subsystem and other function drivers completely unrelated to
sound although they're sharing the AC97 bus. Concerned drivers
should "select" this.
+
+config AC97_BUS_NEW
+ tristate
+ help
+ This is the new AC97 bus type, successor of AC97_BUS. The ported
+ drivers which benefit from the AC97 automatic probing should "select"
+ this instead of the AC97_BUS.
diff --git a/sound/Makefile b/sound/Makefile
index 77320709fd26..74728aee25d5 100644
--- a/sound/Makefile
+++ b/sound/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_SND_AOA) += aoa/

# This one must be compilable even if sound is configured out
obj-$(CONFIG_AC97_BUS) += ac97_bus.o
+obj-$(CONFIG_AC97_BUS_NEW) += ac97/

ifeq ($(CONFIG_SND),y)
obj-y += last.o
diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig
index 182d92efc7c8..5ad0a0422054 100644
--- a/sound/soc/Kconfig
+++ b/sound/soc/Kconfig
@@ -6,6 +6,7 @@ menuconfig SND_SOC
tristate "ALSA for SoC audio support"
select SND_PCM
select AC97_BUS if SND_SOC_AC97_BUS
+ select AC97_BUS_NEW if SND_SOC_AC97_BUS_NEW
select SND_JACK
select REGMAP_I2C if I2C
select REGMAP_SPI if SPI_MASTER
@@ -25,6 +26,9 @@ if SND_SOC
config SND_SOC_AC97_BUS
bool

+config SND_SOC_AC97_BUS_NEW
+ bool
+
config SND_SOC_GENERIC_DMAENGINE_PCM
bool
select SND_DMAENGINE_PCM
--
2.1.4