- acpi_hw_low_level_write(8, ACPI_EC_COMMAND_READ,
- &ec->common.command_addr);
- status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
- if (status) {
- printk(KERN_DEBUG PREFIX "read EC, IB not empty\n");
- }
-
- acpi_hw_low_level_write(8, address, &ec->common.data_addr);
- status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF);
- if (status) {
- printk(KERN_DEBUG PREFIX "read EC, OB not full\n");
- goto end;
- }
- acpi_hw_low_level_read(8, data, &ec->common.data_addr);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Read [%02x] from address [%02x]\n",
- *data, address));
-
- end:
- up(&ec->intr.sem);
-
- if (ec->common.global_lock)
- acpi_release_global_lock(glk);
-
- return status;
-}
-
-static int acpi_ec_intr_write(union acpi_ec *ec, u8 address, u8 data)
-{
- int status = 0;
- u32 glk;
-
-
- if (!ec)
- return -EINVAL;
-
- if (ec->common.global_lock) {
- status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
- if (ACPI_FAILURE(status))
- return -ENODEV;
- }
-
- WARN_ON(in_interrupt());
- down(&ec->intr.sem);
-
- status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
- if (status) {
- printk(KERN_DEBUG PREFIX "write EC, IB not empty\n");
- }
- acpi_hw_low_level_write(8, ACPI_EC_COMMAND_WRITE,
- &ec->common.command_addr);
- status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
- if (status) {
- printk(KERN_DEBUG PREFIX "write EC, IB not empty\n");
- }
-
- acpi_hw_low_level_write(8, address, &ec->common.data_addr);
- status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBE);
- if (status) {
- printk(KERN_DEBUG PREFIX "write EC, IB not empty\n");
- }