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| author | Jean-Francois Dagenais <jeff.dagenais@gmail.com> | 2013-03-15 22:20:25 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-15 23:15:02 +0400 |
| commit | aceca2854498de7384ee7b44d8eb7820fd4c7f16 (patch) | |
| tree | e48272e0dbb1e32ba947fbf9e6df6adea8860a26 /drivers/w1/slaves/Kconfig | |
| parent | 96dd86fa588169b745a71aedf2070e80f4943623 (diff) | |
| download | linux-aceca2854498de7384ee7b44d8eb7820fd4c7f16.tar.xz | |
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 <zbr@ioremap.net>
Signed-off-by: Jean-Francois Dagenais <jeff.dagenais@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/w1/slaves/Kconfig')
| -rw-r--r-- | drivers/w1/slaves/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/w1/slaves/Kconfig b/drivers/w1/slaves/Kconfig index 762561fbabbf..5e6a3c9e510b 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 |