static int mma7660_start_dev(struct i2c_client *client, char rate)
{
char buffer[MMA7660_REG_LEN];
int ret = 0;
buffer[0] = MMA7660_REG_INTSU;
buffer[1] = 0x10; //0x10; modify by zhao
ret = mma7660_tx_data(client, &buffer[0], 2);
ret = mma7660_rx_data(client, &buffer[0], 1);
ret = mma7660_set_rate(client, rate);
buffer[0] = MMA7660_REG_MODE;
buffer[1] = 0x01;
ret = mma7660_tx_data(client, &buffer[0], 2);
ret = mma7660_rx_data(client, &buffer[0], 1);
//enable_irq(client->irq);
#ifdef MMA7660_DATA_FILTER
mma7660_adjust.count = 0;
#endif
return ret;
}
static int mma7660_hw_init(struct i2c_client *client)
{
int comres = 0;
// sample rate: 32
comres += mma7660_set_rate(client, MMA7660_RATE_120);
return comres;
}
static ssize_t mma7660_rate_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
unsigned long data;
int error;
struct i2c_client *client = to_i2c_client(dev);
struct mma7660_data *mma7660 = i2c_get_clientdata(client);
error = strict_strtoul(buf, 10, &data);
if (error)
return error;
if (mma7660_set_rate(mma7660->mma7660_client, (unsigned char) data) < 0)
return -EINVAL;
return count;
}
static int mma7660_start_dev(struct i2c_client *client, char rate)
{
char buffer[MMA7660_REG_LEN];
int ret = 0;
buffer[0] = MMA7660_REG_INTSU;
buffer[1] = 0x10; //0x10; modify by zhao
ret = mma7660_tx_data(client, &buffer[0], 2);
ret = mma7660_rx_data(client, &buffer[0], 1);
ret = mma7660_set_rate(client, rate);
buffer[0] = MMA7660_REG_MODE;
buffer[1] = 0x01;
ret = mma7660_tx_data(client, &buffer[0], 2);
ret = mma7660_rx_data(client, &buffer[0], 1);
enable_irq(client->irq);
rk28printk("\n----------------------------mma7660_start------------------------\n");
return ret;
}