diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/misc/mma7455l.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/input/misc/mma7455l.c b/drivers/input/misc/mma7455l.c index 6b47c12c572c..433d83124803 100644 --- a/drivers/input/misc/mma7455l.c +++ b/drivers/input/misc/mma7455l.c @@ -91,10 +91,16 @@ enum mma7455l_reg_status { }; enum mma7455l_mode { - MMA7455L_MODE_STANDBY = 0, - MMA7455L_MODE_MEASUREMENT = 1, - MMA7455L_MODE_LEVELDETECTION = 0x42, /* Set DRPD to on */ - MMA7455L_MODE_PULSEDETECTION = 0x43, /* Set DRPD to on */ + /* +HP: Normally we would want Data Ready Status to be + * signaled to INT1/DRDY PIN only in measurement mode, but + * that would cause continued interrupts that we are not + * going to handle for measurement (we would probably need + * a DMA buffer for that), so do not output + * Data Ready to INT1/DRDY PIN in any mode */ + MMA7455L_MODE_STANDBY = 0x40, + MMA7455L_MODE_MEASUREMENT = 0x41, + MMA7455L_MODE_LEVELDETECTION = 0x42, + MMA7455L_MODE_PULSEDETECTION = 0x43, MMA7455L_MODE_MASK = 0x43, }; |