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-rw-r--r--drivers/platform/chrome/Kconfig9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/platform/chrome/Kconfig b/drivers/platform/chrome/Kconfig
index 2a6531a..cb13299 100644
--- a/drivers/platform/chrome/Kconfig
+++ b/drivers/platform/chrome/Kconfig
@@ -40,7 +40,7 @@ config CHROMEOS_PSTORE
config CROS_EC_CHARDEV
tristate "Chrome OS Embedded Controller userspace device interface"
- depends on MFD_CROS_EC
+ depends on CROS_EC_PROTO
---help---
This driver adds support to talk with the ChromeOS EC from userspace.
@@ -49,7 +49,7 @@ config CROS_EC_CHARDEV
config CROS_EC_LPC
tristate "ChromeOS Embedded Controller (LPC)"
- depends on MFD_CROS_EC && (X86 || COMPILE_TEST)
+ depends on MFD_CROS_EC && CROS_EC_PROTO && (X86 || COMPILE_TEST)
help
If you say Y here, you get support for talking to the ChromeOS EC
over an LPC bus. This uses a simple byte-level protocol with a
@@ -59,4 +59,9 @@ config CROS_EC_LPC
To compile this driver as a module, choose M here: the
module will be called cros_ec_lpc.
+config CROS_EC_PROTO
+ bool
+ help
+ ChromeOS EC communication protocol helpers.
+
endif # CHROMEOS_PLATFORMS
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