Messages in this thread Patch in this message | | | From | Andi Shyti <> | Subject | [PATCH 08/19] bh1770glc: logic change in the proximity read | Date | Thu, 13 Jun 2013 20:20:42 +0200 |
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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@etezian.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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