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authorMark Brown <broonie@opensource.wolfsonmicro.com>2013-01-29 00:47:37 +0800
committerSamuel Ortiz <sameo@linux.intel.com>2013-02-14 00:22:48 +0100
commit3d91f8282c66d9edafa3980385324ce6a48edcda (patch)
treea847372ae3547ba5887c29b8047b97f48dddf551 /include/linux/mfd
parentmfd: arizona: Clarify mixer underclocking error (diff)
downloadlinux-dev-3d91f8282c66d9edafa3980385324ce6a48edcda.tar.xz
linux-dev-3d91f8282c66d9edafa3980385324ce6a48edcda.zip
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 <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'include/linux/mfd')
-rw-r--r--include/linux/mfd/arizona/pdata.h12
1 files changed, 12 insertions, 0 deletions
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];