We need to clear down the wakeup source reg if we woke from
threshold.
Reported-by: Simon Kagstrom <[email protected]>
Signed-off-by: Andy Green <[email protected]>
---
drivers/input/misc/lis302dl.c | 11 +++++++----
1 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/input/misc/lis302dl.c b/drivers/input/misc/lis302dl.c
index bc73e97..424abbc 100644
--- a/drivers/input/misc/lis302dl.c
+++ b/drivers/input/misc/lis302dl.c
@@ -216,13 +216,12 @@ static void lis302dl_bitbang_read_sample(struct
lis302dl_info *lis)
u8 data = 0xc0 | LIS302DL_REG_STATUS; /* read, autoincrement */
u8 read[(LIS302DL_REG_OUT_Z - LIS302DL_REG_STATUS) + 1];
unsigned long flags;
- int mg_per_sample;
+ int mg_per_sample = __threshold_to_mg(lis, 1);
- local_irq_save(flags);
- mg_per_sample = __threshold_to_mg(lis, 1);
+ /* grab the set of register containing status and XYZ data */
+ local_irq_save(flags);
(lis->pdata->lis302dl_bitbang)(lis, &data, 1, &read[0], sizeof(read));
-
local_irq_restore(flags);
/*
@@ -249,6 +248,10 @@ static void lis302dl_bitbang_read_sample(struct
lis302dl_info *lis)
input_sync(lis->input_dev);
}
+
+ if (lis->threshold)
+ /* acknowledge the wakeup source */
+ __reg_read(lis, LIS302DL_REG_FF_WU_SRC_1);
}
static irqreturn_t lis302dl_interrupt(int irq, void *_lis)
