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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/iio/common
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/iio/common')
-rw-r--r--drivers/iio/common/ssp_sensors/ssp_dev.c1
-rw-r--r--drivers/iio/common/st_sensors/st_sensors_core.c52
2 files changed, 26 insertions, 27 deletions
diff --git a/drivers/iio/common/ssp_sensors/ssp_dev.c b/drivers/iio/common/ssp_sensors/ssp_dev.c
index 0748301d3..aaaf317c2 100644
--- a/drivers/iio/common/ssp_sensors/ssp_dev.c
+++ b/drivers/iio/common/ssp_sensors/ssp_dev.c
@@ -700,7 +700,6 @@ static struct spi_driver ssp_driver = {
.remove = ssp_remove,
.driver = {
.pm = &ssp_pm_ops,
- .bus = &spi_bus_type,
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(ssp_of_match),
.name = "sensorhub"
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index 8086cbcff..2e7fdb502 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -126,6 +126,9 @@ static int st_sensors_set_fullscale(struct iio_dev *indio_dev, unsigned int fs)
int err, i = 0;
struct st_sensor_data *sdata = iio_priv(indio_dev);
+ if (sdata->sensor_settings->fs.addr == 0)
+ return 0;
+
err = st_sensors_match_fs(sdata->sensor_settings, fs, &i);
if (err < 0)
goto st_accel_set_fullscale_error;
@@ -479,46 +482,43 @@ int st_sensors_check_device_support(struct iio_dev *indio_dev,
int num_sensors_list,
const struct st_sensor_settings *sensor_settings)
{
- u8 wai;
int i, n, err;
+ u8 wai;
struct st_sensor_data *sdata = iio_priv(indio_dev);
- err = sdata->tf->read_byte(&sdata->tb, sdata->dev,
- ST_SENSORS_DEFAULT_WAI_ADDRESS, &wai);
- if (err < 0) {
- dev_err(&indio_dev->dev, "failed to read Who-Am-I register.\n");
- goto read_wai_error;
- }
-
for (i = 0; i < num_sensors_list; i++) {
- if (sensor_settings[i].wai == wai)
+ for (n = 0; n < ST_SENSORS_MAX_4WAI; n++) {
+ if (strcmp(indio_dev->name,
+ sensor_settings[i].sensors_supported[n]) == 0) {
+ break;
+ }
+ }
+ if (n < ST_SENSORS_MAX_4WAI)
break;
}
- if (i == num_sensors_list)
- goto device_not_supported;
+ if (i == num_sensors_list) {
+ dev_err(&indio_dev->dev, "device name %s not recognized.\n",
+ indio_dev->name);
+ return -ENODEV;
+ }
- for (n = 0; n < ARRAY_SIZE(sensor_settings[i].sensors_supported); n++) {
- if (strcmp(indio_dev->name,
- &sensor_settings[i].sensors_supported[n][0]) == 0)
- break;
+ err = sdata->tf->read_byte(&sdata->tb, sdata->dev,
+ sensor_settings[i].wai_addr, &wai);
+ if (err < 0) {
+ dev_err(&indio_dev->dev, "failed to read Who-Am-I register.\n");
+ return err;
}
- if (n == ARRAY_SIZE(sensor_settings[i].sensors_supported)) {
- dev_err(&indio_dev->dev, "device name \"%s\" and WhoAmI (0x%02x) mismatch",
- indio_dev->name, wai);
- goto sensor_name_mismatch;
+
+ if (sensor_settings[i].wai != wai) {
+ dev_err(&indio_dev->dev, "%s: WhoAmI mismatch (0x%x).\n",
+ indio_dev->name, wai);
+ return -EINVAL;
}
sdata->sensor_settings =
(struct st_sensor_settings *)&sensor_settings[i];
return i;
-
-device_not_supported:
- dev_err(&indio_dev->dev, "device not supported: WhoAmI (0x%x).\n", wai);
-sensor_name_mismatch:
- err = -ENODEV;
-read_wai_error:
- return err;
}
EXPORT_SYMBOL(st_sensors_check_device_support);