[PATCH 08/19] bh1770glc: logic change in the proximity read

[Andi Shyti]

the prox0_raw file in the sysfs interface reads the proximity
value directly from the register instead of reporting the last
read value; in this way userspace applications can have a real
time value

Signed-off-by: Andi Shyti <andi@xxxxxxxxxxx>
---
 drivers/misc/bh1770glc.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/misc/bh1770glc.c b/drivers/misc/bh1770glc.c
index ac6d0c8..031a9fa 100644
--- a/drivers/misc/bh1770glc.c
+++ b/drivers/misc/bh1770glc.c
@@ -786,6 +786,11 @@ static ssize_t bh1770_prox_result_show(struct device *dev,
 	ssize_t ret;
 
 	mutex_lock(&chip->mutex);
+	/*
+	 * if this function fails the prox_data will store
+	 * the value from the previous read
+	 */
+	bh1770_ps_get_result(chip);
 	if (chip->prox_enable_count && !pm_runtime_suspended(dev))
 		ret = sprintf(buf, "%d\n", chip->prox_data);
 	else
-- 
1.7.10.4

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