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[ALSA] ASoC CS4270 codec device driver

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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>
This commit is contained in:
Timur Tabi 2007-07-31 18:18:44 +02:00 • committed by Jaroslav Kysela
parent 8259980ebc
commit b0c813ceee
5 changed files with 859 additions and 0 deletions
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1
include/linux/i2c-id.h
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@ -120,6 +120,7 @@
#define I2C_DRIVERID_WM8753 91 /* Wolfson WM8753 audio codec */
#define I2C_DRIVERID_LM4857 92 /* LM4857 Audio Amplifier */
#define I2C_DRIVERID_VP27SMPX 93 /* Panasonic VP27s tuner internal MPX */
#define I2C_DRIVERID_CS4270 94 /* Cirrus Logic 4270 audio codec */
#define I2C_DRIVERID_I2CDEV 900
#define I2C_DRIVERID_ARP 902 /* SMBus ARP Client */