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Commit 5409fb4e authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Add WM8988 CODEC driver 



The WM8988 is a low power, high quality stereo CODEC designed for
portable digital audio applications.

The device integrates complete interfaces to 2 stereo headphone or line
out ports. External component requirements are drastically reduced as no
separate headphone amplifiers are required. Advanced on-chip digital
signal processing performs graphic equaliser, 3-D sound enhancement and
automatic level control for the microphone or line input.

The WM8988 can operate as a master or a slave, with various master clock
frequencies including 12 or 24MHz for USB devices, or standard 256fs
rates like 12.288MHz and 24.576MHz. Different audio sample rates such as
96kHz, 48kHz, 44.1kHz are generated directly from the master clock
without the need for an external PLL.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 06f409d7

sound/soc/codecs/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ config SND_SOC_ALL_CODECS 
	select SND_SOC_WM8900 if I2C

	select SND_SOC_WM8903 if I2C

	select SND_SOC_WM8971 if I2C

	select SND_SOC_WM8988 if SND_SOC_I2C_AND_SPI

	select SND_SOC_WM8990 if I2C

	select SND_SOC_WM9705 if SND_SOC_AC97_BUS

	select SND_SOC_WM9712 if SND_SOC_AC97_BUS
@@ -141,6 +142,9 @@ config SND_SOC_WM8903 
config SND_SOC_WM8971

	tristate



config SND_SOC_WM8988

	tristate



config SND_SOC_WM8990

	tristate

sound/soc/codecs/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ snd-soc-wm8753-objs := wm8753.o 
snd-soc-wm8900-objs := wm8900.o

snd-soc-wm8903-objs := wm8903.o

snd-soc-wm8971-objs := wm8971.o

snd-soc-wm8988-objs := wm8988.o

snd-soc-wm8990-objs := wm8990.o

snd-soc-wm9705-objs := wm9705.o

snd-soc-wm9712-objs := wm9712.o
@@ -55,6 +56,7 @@ obj-$(CONFIG_SND_SOC_WM8753) += snd-soc-wm8753.o 
obj-$(CONFIG_SND_SOC_WM8900)	+= snd-soc-wm8900.o

obj-$(CONFIG_SND_SOC_WM8903)	+= snd-soc-wm8903.o

obj-$(CONFIG_SND_SOC_WM8971)	+= snd-soc-wm8971.o

obj-$(CONFIG_SND_SOC_WM8988)	+= snd-soc-wm8988.o

obj-$(CONFIG_SND_SOC_WM8990)	+= snd-soc-wm8990.o

obj-$(CONFIG_SND_SOC_WM8991)	+= snd-soc-wm8991.o

obj-$(CONFIG_SND_SOC_WM9705)	+= snd-soc-wm9705.o