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path: root/drivers/mfd/ab8500-gpadc.c
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Diffstat (limited to 'drivers/mfd/ab8500-gpadc.c')
-rw-r--r--drivers/mfd/ab8500-gpadc.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/mfd/ab8500-gpadc.c b/drivers/mfd/ab8500-gpadc.c
index 580f1008d67a..44fa224a443e 100644
--- a/drivers/mfd/ab8500-gpadc.c
+++ b/drivers/mfd/ab8500-gpadc.c
@@ -86,6 +86,8 @@
/* Time in ms before disabling regulator */
#define GPADC_AUDOSUSPEND_DELAY 1
+#define CONVERSION_TIME 500 /* ms */
+
enum cal_channels {
ADC_INPUT_VMAIN = 0,
ADC_INPUT_BTEMP,
@@ -372,7 +374,8 @@ int ab8500_gpadc_read_raw(struct ab8500_gpadc *gpadc, u8 channel)
goto out;
}
/* wait for completion of conversion */
- if (!wait_for_completion_timeout(&gpadc->ab8500_gpadc_complete, 2*HZ)) {
+ if (!wait_for_completion_timeout(&gpadc->ab8500_gpadc_complete,
+ msecs_to_jiffies(CONVERSION_TIME))) {
dev_err(gpadc->dev,
"timeout: didn't receive GPADC conversion interrupt\n");
ret = -EINVAL;
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