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add boardconfig for gsensor orientation

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This commit is contained in:
lyx
2011-05-24 01:49:21 -07:00
parent e220e4e066
commit cf77093219
3 changed files with 22 additions and 4 deletions
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4
arch/arm/mach-rk29/board-rk29-a22.c
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@@ -477,6 +477,10 @@ static int mma8452_init_platform_hw(void)
static struct mma8452_platform_data mma8452_info = {
.model= 8452,
.swap_xy = 0,
.swap_xyz = 1,
.orientation = {0,1,0,
0,0,-1,
1,0,0},
.init_platform_hw= mma8452_init_platform_hw,
};

2
arch/arm/mach-rk29/include/mach/board.h
View File

@@ -184,6 +184,8 @@ struct synaptics_platform_data {
struct mma8452_platform_data {
u16 model;
u16 swap_xy;
u16 swap_xyz;
signed char orientation[9];
int (*get_pendown_state)(void);
int (*init_platform_hw)(void);
int (*mma8452_platform_sleep)(void);

20
drivers/input/gsensor/mma8452.c
View File

@@ -358,6 +358,7 @@ static int mma8452_get_data(struct i2c_client *client)
struct mma8452_data* mma8452 = i2c_get_clientdata(client);
char buffer[6];
int ret;
int x,y,z;
struct mma8452_axis axis;
struct mma8452_platform_data *pdata = pdata = client->dev.platform_data;
@@ -371,11 +372,22 @@ static int mma8452_get_data(struct i2c_client *client)
} while (0);
mmaprintkd("0x%02x 0x%02x 0x%02x \n",buffer[0],buffer[1],buffer[2]);
x = mma8452_convert_to_int(buffer[0]);
y = mma8452_convert_to_int(buffer[1]);
z = mma8452_convert_to_int(buffer[2]);
axis.x = mma8452_convert_to_int(buffer[0]);
axis.y = mma8452_convert_to_int(buffer[1]);
axis.z = mma8452_convert_to_int(buffer[2]);
if (pdata->swap_xyz) {
axis.x = (pdata->orientation[0])*x + (pdata->orientation[1])*y + (pdata->orientation[2])*z;
axis.y = (pdata->orientation[3])*x + (pdata->orientation[4])*y + (pdata->orientation[5])*z;
axis.z = (pdata->orientation[6])*x + (pdata->orientation[7])*y + (pdata->orientation[8])*z;
}
else {
axis.x = x;
axis.y = y;
axis.z = z;
}
if(pdata->swap_xy)
{
axis.y = -axis.y;