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Message-Id: <305e71436fd8c7875396c79154b2e6512bb18860.1371145891.git.andi@etezian.org>
Date: Thu, 13 Jun 2013 20:20:42 +0200
From: Andi Shyti <andi@...zian.org>
To: arnd@...db.de, gregkh@...uxfoundation.org
Cc: linux-kernel@...r.kernel.org, pc@...f.org, oatilla@...il.com,
andi@...zian.org
Subject: [PATCH 08/19] bh1770glc: logic change in the proximity read
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@...zian.org>
---
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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