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authorIrina Tirdea2014-12-10 18:23:53 +0200
committerJonathan Cameron2014-12-12 12:28:35 +0000
commitfbd123e913ed25ec861ce3be10725b5beb27ab48 (patch)
tree284b0e690424904ad4dc5c43b130b69b0fcf2eb7 /drivers/iio/accel
parent374956600ecbedf5ca29c76bde114160eb805091 (diff)
iio: accel: kxcjk-1013: error handling when set mode fails
If there is an error in set mode at runtime resume, reset the state of the runtime usage count. If there is an error in set mode at runtime suspend, make sure the framework retries to suspend the device. Signed-off-by: Irina Tirdea <irina.tirdea@intel.com> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/accel')
-rw-r--r--drivers/iio/accel/kxcjk-1013.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
index 7b0a9dac7ae3..0dc6ccfbee46 100644
--- a/drivers/iio/accel/kxcjk-1013.c
+++ b/drivers/iio/accel/kxcjk-1013.c
@@ -388,6 +388,8 @@ static int kxcjk1013_set_power_state(struct kxcjk1013_data *data, bool on)
if (ret < 0) {
dev_err(&data->client->dev,
"Failed: kxcjk1013_set_power_state for %d\n", on);
+ if (on)
+ pm_runtime_put_noidle(&data->client->dev);
return ret;
}
#endif
@@ -859,6 +861,8 @@ static int kxcjk1013_write_event_config(struct iio_dev *indio_dev,
ret = kxcjk1013_setup_any_motion_interrupt(data, state);
if (ret < 0) {
+ kxcjk1013_set_power_state(data, false);
+ data->ev_enable_state = 0;
mutex_unlock(&data->mutex);
return ret;
}
@@ -1009,6 +1013,7 @@ static int kxcjk1013_data_rdy_trigger_set_state(struct iio_trigger *trig,
else
ret = kxcjk1013_setup_new_data_interrupt(data, state);
if (ret < 0) {
+ kxcjk1013_set_power_state(data, false);
mutex_unlock(&data->mutex);
return ret;
}
@@ -1368,8 +1373,14 @@ static int kxcjk1013_runtime_suspend(struct device *dev)
{
struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
struct kxcjk1013_data *data = iio_priv(indio_dev);
+ int ret;
- return kxcjk1013_set_mode(data, STANDBY);
+ ret = kxcjk1013_set_mode(data, STANDBY);
+ if (ret < 0) {
+ dev_err(&data->client->dev, "powering off device failed\n");
+ return -EAGAIN;
+ }
+ return 0;
}
static int kxcjk1013_runtime_resume(struct device *dev)