diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-08-10 16:49:46 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-10 16:49:46 +0200 |
| commit | 636bf35880e5a79c2ecb10640137bbd9a4681cb7 (patch) | |
| tree | 919ea9ac007b72acb92a99fb7e28c8238a69573f /drivers/gpio/gpiolib.c | |
| parent | 276c87054751bb6adfa160a6e68e47b97592a897 (diff) | |
| parent | 8d31f80eb38819e4f2905ad21c0e8998382a08f7 (diff) | |
Merge branch 'linus' into x86/platform, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 9568708a550b..cd003b74512f 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -704,24 +704,23 @@ static irqreturn_t lineevent_irq_thread(int irq, void *p) { struct lineevent_state *le = p; struct gpioevent_data ge; - int ret; + int ret, level; ge.timestamp = ktime_get_real_ns(); + level = gpiod_get_value_cansleep(le->desc); if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE && le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) { - int level = gpiod_get_value_cansleep(le->desc); - if (level) /* Emit low-to-high event */ ge.id = GPIOEVENT_EVENT_RISING_EDGE; else /* Emit high-to-low event */ ge.id = GPIOEVENT_EVENT_FALLING_EDGE; - } else if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE) { + } else if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE && level) { /* Emit low-to-high event */ ge.id = GPIOEVENT_EVENT_RISING_EDGE; - } else if (le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) { + } else if (le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE && !level) { /* Emit high-to-low event */ ge.id = GPIOEVENT_EVENT_FALLING_EDGE; } else { |