/*
*----------------------------------------------------------------------------
* Function : tiload_write
*
* Purpose : write method for aic3262_tiload programming interface
*----------------------------------------------------------------------------
*/
static ssize_t tiload_write(struct file *file, const char __user * buf,
size_t count, loff_t * offset)
{
static char wr_data[8];
u8 pg_no;
unsigned int reg;
#ifdef DEBUG
int i;
#endif
struct aic3262 *control = aic3262_codec->control_data;
dprintk("TiLoad DRIVER : %s\n", __FUNCTION__);
/* copy buffer from user space */
if (copy_from_user(wr_data, buf, count)) {
printk("copy_from_user failure\n");
return -1;
}
#ifdef DEBUG
dprintk(KERN_ERR "write size = %d\n", (int)count);
for (i = 0; i < (int)count; i++) {
printk(KERN_INFO "\nwr_data[%d]=%x\n", i, wr_data[i]);
}
#endif
if(wr_data[0] == 0)
{
//change of page seen, but will only be registered
aic_reg.aic326x_register.page = wr_data[1];
return count;// trick
}
else
if(wr_data[0] == 127 /* && aic_reg.aic326x_register.page == 0*/)
{
//change of book seen, but will not be sent for I2C write
aic_reg.aic326x_register.book = wr_data[1];
return count; //trick
}
else
{
aic_reg.aic326x_register.offset = wr_data[0];
aic3262_bulk_write(control, aic_reg.aic326x_register_int, count - 1,&wr_data[1]);
return count;
}
/* if (wr_data[0] == 0) {
aic3262_change_page(aic3262_codec, wr_data[1]);
return count;
}
pg_no = aic3262_private->page_no;
if ((wr_data[0] == 127) && (pg_no == 0)) {
aic3262_change_book(aic3262_codec, wr_data[1]);
return count;
}
return i2c_master_send(i2c, wr_data, count);*/
}
int aic3262_ops_bulk_write(void *p, unsigned int reg, int count, const u8 *buf)
{
struct aic3262_priv *ps = p;
union aic326x_reg_union mreg;
union cfw_register *c = (union cfw_register *) ®
mreg.aic326x_register.offset = c->offset;
mreg.aic326x_register.page = c->page;
mreg.aic326x_register.book = c->book;
mreg.aic326x_register.reserved = 0;
DBG("bulk_write: ncmd %d page %d book %d offset %d data[0] %d\n",
count, mreg.aic326x_register.page, mreg.aic326x_register.book,
mreg.aic326x_register.offset, buf[0]);
return aic3262_bulk_write(ps->codec->control_data,
mreg.aic326x_register_int, count, buf);
}