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path: root/drivers/regulator/fixed.c
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Diffstat (limited to 'drivers/regulator/fixed.c')
-rw-r--r--drivers/regulator/fixed.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index f9f516a3028a..ee3e7eb97b1c 100644
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -24,12 +24,14 @@
24#include <linux/regulator/driver.h> 24#include <linux/regulator/driver.h>
25#include <linux/regulator/fixed.h> 25#include <linux/regulator/fixed.h>
26#include <linux/gpio.h> 26#include <linux/gpio.h>
27#include <linux/delay.h>
27 28
28struct fixed_voltage_data { 29struct fixed_voltage_data {
29 struct regulator_desc desc; 30 struct regulator_desc desc;
30 struct regulator_dev *dev; 31 struct regulator_dev *dev;
31 int microvolts; 32 int microvolts;
32 int gpio; 33 int gpio;
34 unsigned startup_delay;
33 unsigned enable_high:1; 35 unsigned enable_high:1;
34 unsigned is_enabled:1; 36 unsigned is_enabled:1;
35}; 37};
@@ -48,6 +50,8 @@ static int fixed_voltage_enable(struct regulator_dev *dev)
48 if (gpio_is_valid(data->gpio)) { 50 if (gpio_is_valid(data->gpio)) {
49 gpio_set_value_cansleep(data->gpio, data->enable_high); 51 gpio_set_value_cansleep(data->gpio, data->enable_high);
50 data->is_enabled = 1; 52 data->is_enabled = 1;
53 if (data->startup_delay)
54 udelay(data->startup_delay);
51 } 55 }
52 56
53 return 0; 57 return 0;
@@ -117,6 +121,7 @@ static int regulator_fixed_voltage_probe(struct platform_device *pdev)
117 121
118 drvdata->microvolts = config->microvolts; 122 drvdata->microvolts = config->microvolts;
119 drvdata->gpio = config->gpio; 123 drvdata->gpio = config->gpio;
124 drvdata->startup_delay = config->startup_delay;
120 125
121 if (gpio_is_valid(config->gpio)) { 126 if (gpio_is_valid(config->gpio)) {
122 drvdata->enable_high = config->enable_high; 127 drvdata->enable_high = config->enable_high;