[PATCH 2/5] extcon: arizona: Add basic microphone detection DT/ACPI bindings

From: Charles Keepax
Date: Thu Jun 18 2015 - 09:06:47 EST


This patch adds bindings for the basic microphone detection platform
data.

Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
---
drivers/extcon/extcon-arizona.c | 30 ++++++++++++++++++++++++++++++
1 files changed, 30 insertions(+), 0 deletions(-)

diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index 3b41905..c1197df 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -25,6 +25,7 @@
#include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/pm_runtime.h>
+#include <linux/property.h>
#include <linux/regulator/consumer.h>
#include <linux/extcon.h>

@@ -1115,6 +1116,7 @@ static int arizona_extcon_device_get_pdata(struct arizona *arizona)
{
struct arizona_pdata *pdata = &arizona->pdata;
unsigned int val = ARIZONA_ACCDET_MODE_HPL;
+ unsigned int dbtime;

device_property_read_u32(arizona->dev, "wlf,hpdet-channel", &val);
switch (val) {
@@ -1128,6 +1130,34 @@ static int arizona_extcon_device_get_pdata(struct arizona *arizona)
pdata->hpdet_channel = ARIZONA_ACCDET_MODE_HPL;
}

+ device_property_read_u32(arizona->dev, "wlf,micd-detect-debounce",
+ &pdata->micd_detect_debounce);
+
+ device_property_read_u32(arizona->dev, "wlf,micd-bias-start-time",
+ &pdata->micd_bias_start_time);
+
+ device_property_read_u32(arizona->dev, "wlf,micd-rate",
+ &pdata->micd_rate);
+
+ dbtime = 0;
+ device_property_read_u32(arizona->dev, "wlf,micd-dbtime", &dbtime);
+ switch (dbtime) {
+ case 2:
+ pdata->micd_dbtime = 0x10000;
+ break;
+ case 4:
+ pdata->micd_dbtime = 0x0001;
+ break;
+ default:
+ break;
+ }
+
+ device_property_read_u32(arizona->dev, "wlf,micd-timeout",
+ &pdata->micd_timeout);
+
+ pdata->micd_force_micbias = device_property_read_bool(arizona->dev,
+ "wlf,micd-force-micbias");
+
return 0;
}

--
1.7.2.5

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