diff options
Diffstat (limited to 'include/config.h')
| -rw-r--r-- | include/config.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/config.h b/include/config.h index d95d938ce4..d9b8afcd8b 100644 --- a/include/config.h +++ b/include/config.h @@ -2310,6 +2310,20 @@ */ #undef CONFIG_I2C_MULTI_PORT_CONTROLLER +/* + * Packet error checking support for SMBus. + * + * If defined, adds error checking support for i2c_readN, i2c_writeN, + * i2c_read_string and i2c_write_block. Where + * - write operation appends an error checking byte at end of transfer, and + * - read operatoin verifies the correctness of error checking byte from the + * slave. + * Set I2C_FLAG on addr_flags parameter to use this feature. + * + * This option also enables error checking function on smart batteries. + */ +#undef CONFIG_SMBUS_PEC + /*****************************************************************************/ /* IPI configuration. Support mt_scp only for now. */ @@ -5077,4 +5091,8 @@ #define CONFIG_SHA256 #endif +#ifdef CONFIG_SMBUS_PEC +#define CONFIG_CRC8 +#endif + #endif /* __CROS_EC_CONFIG_H */ |