From aceca2854498de7384ee7b44d8eb7820fd4c7f16 Mon Sep 17 00:00:00 2001 From: Jean-Francois Dagenais Date: Fri, 15 Mar 2013 14:20:25 -0400 Subject: w1: ds2408: make value read-back check a Kconfig option De-activating this reading back will effectively half the time required for a write to the output register. Acked-by: Evgeniy Polyakov Signed-off-by: Jean-Francois Dagenais Signed-off-by: Greg Kroah-Hartman --- drivers/w1/slaves/Kconfig | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/w1/slaves/Kconfig') diff --git a/drivers/w1/slaves/Kconfig b/drivers/w1/slaves/Kconfig index 762561fbabb..5e6a3c9e510 100644 --- a/drivers/w1/slaves/Kconfig +++ b/drivers/w1/slaves/Kconfig @@ -22,6 +22,16 @@ config W1_SLAVE_DS2408 Say Y here if you want to use a 1-wire DS2408 8-Channel Addressable Switch device support +config W1_SLAVE_DS2408_READBACK + bool "Read-back values written to DS2408's output register" + depends on W1_SLAVE_DS2408 + default y + help + Enabling this will cause the driver to read back the values written + to the chip's output register in order to detect errors. + + This is slower but useful when debugging chips and/or busses. + config W1_SLAVE_DS2413 tristate "Dual Channel Addressable Switch 0x3a family support (DS2413)" help -- cgit v1.2.3-70-g09d2