diff options
| author | Naga RADHESH Y <naga.radheshy@stericsson.com> | 2012-02-14 07:46:57 +0100 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@linaro.org> | 2012-02-15 09:35:33 +0100 |
| commit | 17231e3a1220ba94af776624bf2e5d0fc64c76e4 (patch) | |
| tree | 9ce3eb61e7c834ecb2e48d38c5950b319060d1b6 | |
| parent | 4c11ec40c9738bceccd4529cb90a2a4e600a80f9 (diff) | |
lsm303dlh_m: Check for DLHC device to invert y,z
Invert y,z co-ordinates as specified in data sheet
if device is LSM303DLHC
ST-Ericsson ID: 374970
ST-Ericsson Linux next: NA
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id:I45e706e3f783dd58e02f23d9579f3422ef7fc984
Signed-off-by: Naga Radhesh <naga.radheshy@stericsson.com>
| -rw-r--r-- | drivers/hwmon/lsm303dlh_m.c | 23 | ||||
| -rw-r--r-- | include/linux/lsm303dlh.h | 2 |
2 files changed, 15 insertions, 10 deletions
diff --git a/drivers/hwmon/lsm303dlh_m.c b/drivers/hwmon/lsm303dlh_m.c index 75d22e82e86..af486d23ee1 100644 --- a/drivers/hwmon/lsm303dlh_m.c +++ b/drivers/hwmon/lsm303dlh_m.c @@ -133,6 +133,9 @@ #define DEVICE_ON 1 #define DEVICE_SUSPENDED 2 +/* device CHIP ID defines */ +#define LSM303DLHC_CHIP_ID 51 + /** * struct lsm303dlh_m_data - data structure used by lsm303dlh_m driver * @client: i2c client @@ -340,16 +343,16 @@ static int lsm303dlh_m_xyz_read(struct lsm303dlh_m_data *ddata) ddata->data[2] = (short) (((xyz_data[4]) << 8) | xyz_data[5]); -#ifdef SENSORS_LSM303DLHC - /* - * the out registers are in x, z and y order - * so swap y and z values - */ - temp = ddata->data[1]; - ddata->data[1] = ddata->data[2]; - ddata->data[2] = temp; -#endif - + /* check if chip is DHLC */ + if (ddata->pdata.chip_id == LSM303DLHC_CHIP_ID) { + /* + * the out registers are in x, z and y order + * so swap y and z values + */ + temp = ddata->data[1]; + ddata->data[1] = ddata->data[2]; + ddata->data[2] = temp; + } /* taking orientation of x,y,z axis into account*/ ddata->data[ddata->pdata.axis_map_x] = ddata->pdata.negative_x ? diff --git a/include/linux/lsm303dlh.h b/include/linux/lsm303dlh.h index ad369b1fbd5..a565faa79ba 100644 --- a/include/linux/lsm303dlh.h +++ b/include/linux/lsm303dlh.h @@ -42,6 +42,7 @@ * @negative_x: x axis is orientation, 0 or 1 * @negative_y: y axis is orientation, 0 or 1 * @negative_z: z axis is orientation, 0 or 1 + * @chip_id: to store ID of the LSM chip */ struct lsm303dlh_platform_data { const char *name_a; @@ -55,6 +56,7 @@ struct lsm303dlh_platform_data { u8 negative_x; u8 negative_y; u8 negative_z; + u32 chip_id; }; #endif /* __KERNEL__ */ |