diff options
| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2014-04-10 10:08:59 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-04-23 11:32:22 -0300 |
| commit | f5d65070d49f707a06bf00c147f02848659a6a0b (patch) | |
| tree | 3d5cc544d99dcc8719c3a89b1eb52c0faa53d0cd /drivers/media/i2c/smiapp/smiapp-regs.h | |
| parent | 6f7481b6685daf693e995e8653f6c8d27cfe5bfc (diff) | |
[media] smiapp: Define macros for obtaining properties of register definitions
The register address, width and flags are encoded as a 32-bit value. Add
macros for obtaining these separately. Use the macros in register access
functions.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/i2c/smiapp/smiapp-regs.h')
| -rw-r--r-- | drivers/media/i2c/smiapp/smiapp-regs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/i2c/smiapp/smiapp-regs.h b/drivers/media/i2c/smiapp/smiapp-regs.h index 81957cbf6a13..35521125a2cc 100644 --- a/drivers/media/i2c/smiapp/smiapp-regs.h +++ b/drivers/media/i2c/smiapp/smiapp-regs.h @@ -28,6 +28,10 @@ #include <linux/i2c.h> #include <linux/types.h> +#define SMIAPP_REG_ADDR(reg) ((u16)reg) +#define SMIAPP_REG_WIDTH(reg) ((u8)(reg >> 16)) +#define SMIAPP_REG_FLAGS(reg) ((u8)(reg >> 24)) + /* Use upper 8 bits of the type field for flags */ #define SMIAPP_REG_FLAG_FLOAT (1 << 24) |