diff options
| author | Kevin Hilman <khilman@baylibre.com> | 2017-08-22 15:37:31 -0700 |
|---|---|---|
| committer | Kevin Hilman <khilman@baylibre.com> | 2017-08-22 15:37:31 -0700 |
| commit | 4db26f83a7a1f8b844e4543cd82a87bee1d224e2 (patch) | |
| tree | 260f68e5671b902344f8b568a45bd6df645b5bcb /drivers/gpio/gpiolib.c | |
| parent | b16c71c9f6ff50d4e4398cefd9113d82ee2fe8e6 (diff) | |
| parent | aae4e7a8bc44722fe70d58920a36916b1043195e (diff) | |
Merge tag 'v4.13-rc4' into v4.14/dt64
Linux 4.13-rc4
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 { |