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drivers/sensor: lsm6dso: (FIX) enable interrupt selectively

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In a multi-instance driver it may happen that on some h/w
one device should use interrupts and a second device should use
polling mode. So, CONFIG_LSM6DSO_TRIGGER is not enough to discriminmate
if interrupt inizialization routine should be called or not; the choice
is now based whether the "irq-gpios" property is present in the DT
for that particular instance or not.

Signed-off-by: Armando Visconti <armando.visconti@st.com>
This commit is contained in:
Armando Visconti 2021-05-06 12:35:30 +02:00 • committed by Anas Nashif
commit 2f01479b56
3 changed files with 18 additions and 5 deletions
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16
drivers/sensor/lsm6dso/lsm6dso.c
View file

@ -769,14 +769,19 @@ static int lsm6dso_init_chip(const struct device *dev)
static int lsm6dso_init(const struct device *dev)
{
#ifdef CONFIG_LSM6DSO_TRIGGER
const struct lsm6dso_config *cfg = dev->config;
#endif
struct lsm6dso_data *data = dev->data;
data->dev = dev;
#ifdef CONFIG_LSM6DSO_TRIGGER
if (lsm6dso_init_interrupt(dev) < 0) {
LOG_ERR("Failed to initialize interrupt.");
return -EIO;
if (cfg->trig_enabled) {
if (lsm6dso_init_interrupt(dev) < 0) {
LOG_ERR("Failed to initialize interrupt.");
return -EIO;
}
}
#endif
@ -819,8 +824,9 @@ static int lsm6dso_init(const struct device *dev)
*/
#ifdef CONFIG_LSM6DSO_TRIGGER
#define LSM6DSO_CFG_IRQ(inst) \
.gpio_drdy = GPIO_DT_SPEC_INST_GET(inst, irq_gpios), \
#define LSM6DSO_CFG_IRQ(inst) \
.trig_enabled = true, \
.gpio_drdy = GPIO_DT_SPEC_INST_GET(inst, irq_gpios), \
.int_pin = DT_INST_PROP(inst, int_pin)
#else
#define LSM6DSO_CFG_IRQ(inst)

1
drivers/sensor/lsm6dso/lsm6dso.h
View file

@ -113,6 +113,7 @@ struct lsm6dso_config {
#ifdef CONFIG_LSM6DSO_TRIGGER
const struct gpio_dt_spec gpio_drdy;
uint8_t int_pin;
bool trig_enabled;
#endif /* CONFIG_LSM6DSO_TRIGGER */
};

6
drivers/sensor/lsm6dso/lsm6dso_trigger.c
View file

@ -126,8 +126,14 @@ int lsm6dso_trigger_set(const struct device *dev,
const struct sensor_trigger *trig,
sensor_trigger_handler_t handler)
{
const struct lsm6dso_config *cfg = dev->config;
struct lsm6dso_data *lsm6dso = dev->data;
if (!cfg->trig_enabled) {
LOG_ERR("trigger_set op not supported");
return -ENOTSUP;
}
if (trig->chan == SENSOR_CHAN_ACCEL_XYZ) {
lsm6dso->handler_drdy_acc = handler;
if (handler) {