diff options
Diffstat (limited to 'drivers/platform/chrome/cros_ec_sensorhub_ring.c')
| -rw-r--r-- | drivers/platform/chrome/cros_ec_sensorhub_ring.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/platform/chrome/cros_ec_sensorhub_ring.c b/drivers/platform/chrome/cros_ec_sensorhub_ring.c index 1205219515d6..a10579144c34 100644 --- a/drivers/platform/chrome/cros_ec_sensorhub_ring.c +++ b/drivers/platform/chrome/cros_ec_sensorhub_ring.c @@ -129,6 +129,17 @@ int cros_ec_sensorhub_ring_fifo_enable(struct cros_ec_sensorhub *sensorhub, /* We expect to receive a payload of 4 bytes, ignore. */ if (ret > 0) ret = 0; + /* + * Some platforms (such as Smaug) don't support the FIFO_INT_ENABLE + * command and the interrupt is always enabled. In the case, it + * returns -EINVAL. + * + * N.B: there is no danger of -EINVAL meaning any other invalid + * parameter since fifo_int_enable.enable is a bool and can never + * be in an invalid range. + */ + else if (ret == -EINVAL) + ret = 0; return ret; } |