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Diffstat (limited to 'Documentation/i2c/i2c-stub')
| -rw-r--r-- | Documentation/i2c/i2c-stub | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/Documentation/i2c/i2c-stub b/Documentation/i2c/i2c-stub index a0fe7a04a3bd..a16924fbd289 100644 --- a/Documentation/i2c/i2c-stub +++ b/Documentation/i2c/i2c-stub @@ -47,15 +47,18 @@ unsigned long functionality: value 0x1f0000 would only enable the quick, byte and byte data commands. +u8 bank_reg[10] +u8 bank_mask[10] +u8 bank_start[10] +u8 bank_end[10]: + Optional bank settings. They tell which bits in which register + select the active bank, as well as the range of banked registers. + CAVEATS: If your target driver polls some byte or word waiting for it to change, the stub could lock it up. Use i2cset to unlock it. -If the hardware for your driver has banked registers (e.g. Winbond sensors -chips) this module will not work well - although it could be extended to -support that pretty easily. - If you spam it hard enough, printk can be lossy. This module really wants something like relayfs. |