static int sysconfig_i2c_bitstream_burst_init(struct sysconfig_priv *priv)
{
const u8 lsc_bitstream_burst[] = SYSCONFIG_LSC_BITSTREAM_BURST;
struct i2c_client *client = to_i2c_client(priv->dev);
int ret;
ret = i2c_master_send(client, lsc_bitstream_burst, sizeof(lsc_bitstream_burst));
if (ret < 0)
return ret;
return (ret == sizeof(lsc_bitstream_burst)) ? 0 : -EIO;
}
static int sysconfig_i2c_bitstream_burst_write(struct sysconfig_priv *priv,
const char *buf, size_t len)
{
struct i2c_client *client = to_i2c_client(priv->dev);
struct i2c_msg msg;
int ret;
if (len == 0)
return 0;
msg.addr = client->addr;
msg.flags = client->flags & I2C_M_TEN; /* Стандартная запись без NOSTART */
msg.len = len;
msg.buf = (u8 *)buf;
ret = i2c_transfer(client->adapter, &msg, 1);
if (ret < 0)
return ret;
return (ret == 1) ? 0 : -EIO;
}
static int sysconfig_i2c_bitstream_burst_complete(struct sysconfig_priv *priv)
{
return 0;
}