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authorTakashi Iwai <tiwai@suse.de>2012-08-03 12:59:38 +0200
committerTakashi Iwai <tiwai@suse.de>2012-08-03 12:59:38 +0200
commitd30a0d839a5a282e43353fee53d5dc70db5eceda (patch)
tree189a91615be3174a9ff8b20937359d11298433af /include/linux/i2c.h
parentALSA: emu10k1: Avoid access to invalid pages when period=1 (diff)
parentALSA: isa: Move snd_legacy_find_free_ioport to initval.h (diff)
downloadlinux-dev-d30a0d839a5a282e43353fee53d5dc70db5eceda.tar.xz
linux-dev-d30a0d839a5a282e43353fee53d5dc70db5eceda.zip
Merge branch 'topic/next' into for-next
Diffstat (limited to 'include/linux/i2c.h')
-rw-r--r--include/linux/i2c.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index ddfa04108baf..5970266930a2 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -68,6 +68,9 @@ extern int i2c_master_recv(const struct i2c_client *client, char *buf,
*/
extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
int num);
+/* Unlocked flavor */
+extern int __i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
+ int num);
/* This is the very generalized SMBus access routine. You probably do not
want to use this, though; one of the functions below may be much easier,
@@ -425,6 +428,8 @@ void i2c_unlock_adapter(struct i2c_adapter *);
#define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */
/* Must equal I2C_M_TEN below */
#define I2C_CLIENT_WAKE 0x80 /* for board_info; true iff can wake */
+#define I2C_CLIENT_SCCB 0x9000 /* Use Omnivision SCCB protocol */
+ /* Must match I2C_M_STOP|IGNORE_NAK */
/* i2c adapter classes (bitmask) */
#define I2C_CLASS_HWMON (1<<0) /* lm_sensors, ... */
@@ -541,6 +546,7 @@ struct i2c_msg {
__u16 flags;
#define I2C_M_TEN 0x0010 /* this is a ten bit chip address */
#define I2C_M_RD 0x0001 /* read data, from slave to master */
+#define I2C_M_STOP 0x8000 /* if I2C_FUNC_PROTOCOL_MANGLING */
#define I2C_M_NOSTART 0x4000 /* if I2C_FUNC_NOSTART */
#define I2C_M_REV_DIR_ADDR 0x2000 /* if I2C_FUNC_PROTOCOL_MANGLING */
#define I2C_M_IGNORE_NAK 0x1000 /* if I2C_FUNC_PROTOCOL_MANGLING */