lis3: setup poll interval limits

Set valid adjustment window (0 - 2000ms).

Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Acked-by: Eric Piel <eric.piel@tremplin-utc.net>
Cc: Daniel Mack <daniel@caiaq.de>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c
index 56a1d34d3670..6138f036b159 100644
--- a/drivers/hwmon/lis3lv02d.c
+++ b/drivers/hwmon/lis3lv02d.c
@@ -41,6 +41,8 @@
 
 /* joystick device poll interval in milliseconds */
 #define MDPS_POLL_INTERVAL 50
+#define MDPS_POLL_MIN      0
+#define MDPS_POLL_MAX      2000
 /*
  * The sensor can also generate interrupts (DRDY) but it's pretty pointless
  * because they are generated even if the data do not change. So it's better
@@ -459,6 +461,8 @@ int lis3lv02d_joystick_enable(void)
 
         lis3_dev.idev->poll = lis3lv02d_joystick_poll;
         lis3_dev.idev->poll_interval = MDPS_POLL_INTERVAL;
+        lis3_dev.idev->poll_interval_min = MDPS_POLL_MIN;
+        lis3_dev.idev->poll_interval_max = MDPS_POLL_MAX;
         input_dev = lis3_dev.idev->input;
 
         input_dev->name       = "ST LIS3LV02DL Accelerometer";