diff options
| -rw-r--r-- | drivers/acpi/ec.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 17a98aa734b..e05bb148754 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -56,14 +56,15 @@ ACPI_MODULE_NAME("acpi_ec") #define ACPI_EC_FLAG_SCI 0x20 /* EC-SCI occurred */ /* EC commands */ -#define ACPI_EC_COMMAND_READ 0x80 -#define ACPI_EC_COMMAND_WRITE 0x81 -#define ACPI_EC_BURST_ENABLE 0x82 -#define ACPI_EC_BURST_DISABLE 0x83 -#define ACPI_EC_COMMAND_QUERY 0x84 - +enum ec_command { + ACPI_EC_COMMAND_READ = 0x80, + ACPI_EC_COMMAND_WRITE = 0x81, + ACPI_EC_BURST_ENABLE = 0x82, + ACPI_EC_BURST_DISABLE = 0x83, + ACPI_EC_COMMAND_QUERY = 0x84, +}; /* EC events */ -enum { +enum ec_event { ACPI_EC_EVENT_OBF_1 = 1, /* Output buffer full */ ACPI_EC_EVENT_IBF_0, /* Input buffer empty */ }; @@ -71,10 +72,10 @@ enum { #define ACPI_EC_DELAY 500 /* Wait 500ms max. during EC ops */ #define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */ -enum { +static enum ec_mode { EC_INTR = 1, /* Output buffer full */ EC_POLL, /* Input buffer empty */ -}; +} acpi_ec_mode = EC_INTR; static int acpi_ec_remove(struct acpi_device *device, int type); static int acpi_ec_start(struct acpi_device *device); @@ -109,7 +110,6 @@ struct acpi_ec { /* External interfaces use first EC only, so remember */ static struct acpi_device *first_ec; -static int acpi_ec_mode = EC_INTR; /* -------------------------------------------------------------------------- Transaction Management @@ -135,7 +135,7 @@ static inline void acpi_ec_write_data(struct acpi_ec *ec, u8 data) outb(data, ec->data_addr); } -static inline int acpi_ec_check_status(struct acpi_ec *ec, u8 event) +static inline int acpi_ec_check_status(struct acpi_ec *ec, enum ec_event event) { u8 status = acpi_ec_read_status(ec); @@ -150,7 +150,7 @@ static inline int acpi_ec_check_status(struct acpi_ec *ec, u8 event) return 0; } -static int acpi_ec_wait(struct acpi_ec *ec, u8 event) +static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event) { if (acpi_ec_mode == EC_POLL) { unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY); |