diff options
Diffstat (limited to 'drivers/w1')
| -rw-r--r-- | drivers/w1/slaves/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/w1/slaves/Makefile | 1 | ||||
| -rw-r--r-- | drivers/w1/slaves/w1_ds2433.c | 7 |
3 files changed, 13 insertions, 1 deletions
diff --git a/drivers/w1/slaves/Kconfig b/drivers/w1/slaves/Kconfig index 8d0b1fb1e52..1f51366417b 100644 --- a/drivers/w1/slaves/Kconfig +++ b/drivers/w1/slaves/Kconfig @@ -16,6 +16,12 @@ config W1_SLAVE_SMEM Say Y here if you want to connect 1-wire simple 64bit memory rom(ds2401/ds2411/ds1990*) to your wire. +config W1_SLAVE_DS2431 + tristate "1kb EEPROM family support (DS2431)" + help + Say Y here if you want to use a 1-wire + 1kb EEPROM family device (DS2431) + config W1_SLAVE_DS2433 tristate "4kb EEPROM family support (DS2433)" help diff --git a/drivers/w1/slaves/Makefile b/drivers/w1/slaves/Makefile index 990f400b6d2..f1f51f19b12 100644 --- a/drivers/w1/slaves/Makefile +++ b/drivers/w1/slaves/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_W1_SLAVE_THERM) += w1_therm.o obj-$(CONFIG_W1_SLAVE_SMEM) += w1_smem.o +obj-$(CONFIG_W1_SLAVE_DS2431) += w1_ds2431.o obj-$(CONFIG_W1_SLAVE_DS2433) += w1_ds2433.o obj-$(CONFIG_W1_SLAVE_DS2760) += w1_ds2760.o obj-$(CONFIG_W1_SLAVE_BQ27000) += w1_bq27000.o diff --git a/drivers/w1/slaves/w1_ds2433.c b/drivers/w1/slaves/w1_ds2433.c index 858c16a544c..13944714882 100644 --- a/drivers/w1/slaves/w1_ds2433.c +++ b/drivers/w1/slaves/w1_ds2433.c @@ -156,6 +156,9 @@ out_up: */ static int w1_f23_write(struct w1_slave *sl, int addr, int len, const u8 *data) { +#ifdef CONFIG_W1_SLAVE_DS2433_CRC + struct w1_f23_data *f23 = sl->family_data; +#endif u8 wrbuf[4]; u8 rdbuf[W1_PAGE_SIZE + 3]; u8 es = (addr + len - 1) & 0x1f; @@ -196,7 +199,9 @@ static int w1_f23_write(struct w1_slave *sl, int addr, int len, const u8 *data) /* Reset the bus to wake up the EEPROM (this may not be needed) */ w1_reset_bus(sl->master); - +#ifdef CONFIG_W1_SLAVE_DS2433_CRC + f23->validcrc &= ~(1 << (addr >> W1_PAGE_BITS)); +#endif return 0; } |