diff options
| -rw-r--r-- | include/linux/i2c-vid.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/i2c-vid.h b/include/linux/i2c-vid.h index 974835e3..41d0635 100644 --- a/include/linux/i2c-vid.h +++ b/include/linux/i2c-vid.h @@ -97,3 +97,15 @@ static inline int vid_from_reg(int val, int vrm) 2050 - (val) * 50); } } + +static inline int vid_to_reg(int val, int vrm) +{ + switch (vrm) { + case 91: /* VRM 9.1 */ + case 90: /* VRM 9.0 */ + return ((val >= 1100) && (val <= 1850) ? + ((18499 - val * 10) / 25 + 5) / 10 : -1); + default: + return -1; + } +} |
