[ALSA] ASoC CS4270 codec device driver
This patch adds ALSA SoC support for the Cirrus Logic CS4270 codec. The
following features are suppored:
1) Stand-alone and software mode
2) Software mode via I2C only
3) Master mode, not Slave
4) No power management
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index e5fb437..7824880 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -17,3 +17,23 @@
config SND_SOC_WM9712
tristate
depends on SND_SOC
+
+# Cirrus Logic CS4270 Codec
+config SND_SOC_CS4270
+ tristate
+ depends on SND_SOC
+
+# Cirrus Logic CS4270 Codec Hardware Mute Support
+# Select if you have external muting circuitry attached to your CS4270.
+config SND_SOC_CS4270_HWMUTE
+ bool
+ depends on SND_SOC_CS4270
+
+# Cirrus Logic CS4270 Codec VD = 3.3V Errata
+# Select if you are affected by the errata where the part will not function
+# if MCLK divide-by-1.5 is selected and VD is set to 3.3V. The driver will
+# not select any sample rates that require MCLK to be divided by 1.5.
+config SND_SOC_CS4270_VD33_ERRATA
+ bool
+ depends on SND_SOC_CS4270
+