diff options
Diffstat (limited to 'drivers/hwmon/lis3lv02d_i2c.c')
| -rw-r--r-- | drivers/hwmon/lis3lv02d_i2c.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/hwmon/lis3lv02d_i2c.c b/drivers/hwmon/lis3lv02d_i2c.c index c1e7420cf77d..0074809917a2 100644 --- a/drivers/hwmon/lis3lv02d_i2c.c +++ b/drivers/hwmon/lis3lv02d_i2c.c @@ -66,6 +66,14 @@ static inline s32 lis3_i2c_read(struct lis3lv02d *lis3, int reg, u8 *v) return 0; } +static inline s32 lis3_i2c_blockread(struct lis3lv02d *lis3, int reg, int len, + u8 *v) +{ + struct i2c_client *c = lis3->bus_priv; + reg |= (1 << 7); /* 7th bit enables address auto incrementation */ + return i2c_smbus_read_i2c_block_data(c, reg, len, v); +} + static int lis3_i2c_init(struct lis3lv02d *lis3) { u8 reg; @@ -102,6 +110,11 @@ static int __devinit lis3lv02d_i2c_probe(struct i2c_client *client, if (pdata->driver_features & LIS3_USE_REGULATOR_CTRL) lis3_dev.reg_ctrl = lis3_reg_ctrl; + if ((pdata->driver_features & LIS3_USE_BLOCK_READ) && + (i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_I2C_BLOCK))) + lis3_dev.blkread = lis3_i2c_blockread; + if (pdata->axis_x) lis3lv02d_axis_map.x = pdata->axis_x; |