diff options
| author | Nitin Garg <nitin.garg@freescale.com> | 2012-03-09 16:39:32 -0600 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@freescale.com> | 2012-03-09 16:39:32 -0600 |
| commit | 7e9616f28995cd1ad36dc23c89d15d361f1e47a8 (patch) | |
| tree | e11cf51b956856440fb5c68b54bd7bed7dc1b39d | |
| parent | d7d90554462c0e9046f58454198ac3149d95b4b5 (diff) | |
ENGR00176540: Optimize the sensor drivers for mx53 smd
Optimize the sensor drivers - gsensor, accelerometer and
light sensor for mx53 smd. Improve the polling times to
reduce overhead (in compliance to Android 4.0 CDD).
Signed-off-by: Nitin Garg <nitin.garg@freescale.com>
| -rw-r--r-- | drivers/hwmon/mag3110.c | 8 | ||||
| -rw-r--r-- | drivers/hwmon/mxc_mma8451.c | 6 | ||||
| -rw-r--r-- | drivers/input/misc/isl29023.c | 8 |
3 files changed, 12 insertions, 10 deletions
diff --git a/drivers/hwmon/mag3110.c b/drivers/hwmon/mag3110.c index 36955f876b95..2b4774e5b0cb 100644 --- a/drivers/hwmon/mag3110.c +++ b/drivers/hwmon/mag3110.c @@ -40,10 +40,11 @@ #define MAG3110_AC_OFFSET 0 #define MAG3110_DR_MODE_MASK (0x7 << 5) #define MAG3110_DR_MODE_OFFSET 5 -#define MAG3110_IRQ_USED 0 +#define MAG3110_IRQ_USED 1 -#define POLL_INTERVAL_MAX 500 -#define POLL_INTERVAL 100 +#define POLL_INTERVAL_MIN 100 +#define POLL_INTERVAL_MAX 1000 +#define POLL_INTERVAL 500 #define INT_TIMEOUT 1000 /* register enum for mag3110 registers */ enum { @@ -429,6 +430,7 @@ static int __devinit mag3110_probe(struct i2c_client *client, } data->poll_dev->poll = mag3110_dev_poll; data->poll_dev->poll_interval = POLL_INTERVAL; + data->poll_dev->poll_interval_min = POLL_INTERVAL_MIN; data->poll_dev->poll_interval_max = POLL_INTERVAL_MAX; idev = data->poll_dev->input; idev->name = MAG3110_DRV_NAME; diff --git a/drivers/hwmon/mxc_mma8451.c b/drivers/hwmon/mxc_mma8451.c index bd8d7f155b44..8fcb1e5e8970 100644 --- a/drivers/hwmon/mxc_mma8451.c +++ b/drivers/hwmon/mxc_mma8451.c @@ -39,9 +39,9 @@ #define MMA8452_ID 0x2A #define MMA8453_ID 0x3A -#define POLL_INTERVAL_MIN 10 -#define POLL_INTERVAL_MAX 500 -#define POLL_INTERVAL 100 +#define POLL_INTERVAL_MIN 20 +#define POLL_INTERVAL_MAX 1000 +#define POLL_INTERVAL 500 #define INPUT_FUZZ 32 #define INPUT_FLAT 32 #define MODE_CHANGE_DELAY_MS 100 diff --git a/drivers/input/misc/isl29023.c b/drivers/input/misc/isl29023.c index 8ea0debc57c1..b715d8a212b5 100644 --- a/drivers/input/misc/isl29023.c +++ b/drivers/input/misc/isl29023.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. All Rights Reserved. */ /* @@ -811,7 +811,7 @@ static int isl29023_init_client(struct i2c_client *client) isl29023_set_resolution(client, ISL29023_RES_16); isl29023_set_mode(client, ISL29023_ALS_ONCE_MODE); isl29023_set_int_flag(client, 0); - isl29023_set_power_state(client, 0); + isl29023_set_power_state(client, ISL29023_PD_MODE); return 0; } @@ -866,7 +866,7 @@ static int __devinit isl29023_probe(struct i2c_client *client, if (!data) return -ENOMEM; - ls_data = (struct mxc_lightsensor_platform_data *) + ls_data = (struct fsl_mxc_lightsensor_platform_data *) (client->dev).platform_data; data->client = client; @@ -945,7 +945,7 @@ static int __devexit isl29023_remove(struct i2c_client *client) input_unregister_device(data->input); input_free_device(data->input); sysfs_remove_group(&client->dev.kobj, &isl29023_attr_group); - isl29023_set_power_state(client, 0); + isl29023_set_power_state(client, ISL29023_PD_MODE); kfree(i2c_get_clientdata(client)); return 0; |