From 3d91f8282c66d9edafa3980385324ce6a48edcda Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 29 Jan 2013 00:47:37 +0800 Subject: mfd: arizona: Provide platform data for MICBIAS configuration Allow the MICBIAS voltages and other attributes to be configured by the platform. Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz --- include/linux/mfd/arizona/pdata.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include/linux') diff --git a/include/linux/mfd/arizona/pdata.h b/include/linux/mfd/arizona/pdata.h index 8b1d1daaae16..37894d6a4f6f 100644 --- a/include/linux/mfd/arizona/pdata.h +++ b/include/linux/mfd/arizona/pdata.h @@ -56,6 +56,8 @@ #define ARIZONA_DMIC_MICBIAS2 2 #define ARIZONA_DMIC_MICBIAS3 3 +#define ARIZONA_MAX_MICBIAS 3 + #define ARIZONA_INMODE_DIFF 0 #define ARIZONA_INMODE_SE 1 #define ARIZONA_INMODE_DMIC 2 @@ -69,6 +71,13 @@ struct regulator_init_data; +struct arizona_micbias { + int mV; /** Regulated voltage */ + unsigned int ext_cap:1; /** External capacitor fitted */ + unsigned int discharge:1; /** Actively discharge */ + unsigned int fast_start:1; /** Enable aggressive startup ramp rate */ +}; + struct arizona_micd_config { unsigned int src; unsigned int bias; @@ -106,6 +115,9 @@ struct arizona_pdata { /** Reference voltage for DMIC inputs */ int dmic_ref[ARIZONA_MAX_INPUT]; + /** MICBIAS configurations */ + struct arizona_micbias micbias[ARIZONA_MAX_MICBIAS]; + /** Mode of input structures */ int inmode[ARIZONA_MAX_INPUT]; -- cgit v1.2.3