[PATCH 4/6] mfd: rave-sp: Add legacy EEPROM access command translation

[Andrey Smirnov <andrew.smirnov@gmail.com>]

This is needed to make rave-sp-eeprom driver work on "legacy"
firmware.

Cc: linux-kernel@vger.kernel.org
Cc: cphealy@gmail.com
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
 drivers/mfd/rave-sp.c       | 2 ++
 include/linux/mfd/rave-sp.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/mfd/rave-sp.c b/drivers/mfd/rave-sp.c
index aa75d5841ca0..a999fa721b03 100644
--- a/drivers/mfd/rave-sp.c
+++ b/drivers/mfd/rave-sp.c
@@ -635,6 +635,8 @@ static int rave_sp_default_cmd_translate(enum rave_sp_command command)
 		return 0x1E;
 	case RAVE_SP_CMD_RESET_REASON:
 		return 0x1F;
+	case RAVE_SP_CMD_RMB_EEPROM:
+		return 0x20;
 	default:
 		return -EINVAL;
 	}
diff --git a/include/linux/mfd/rave-sp.h b/include/linux/mfd/rave-sp.h
index fe0ce7bc59cf..11eef77ef976 100644
--- a/include/linux/mfd/rave-sp.h
+++ b/include/linux/mfd/rave-sp.h
@@ -21,6 +21,7 @@ enum rave_sp_command {
 	RAVE_SP_CMD_STATUS			= 0xA0,
 	RAVE_SP_CMD_SW_WDT			= 0xA1,
 	RAVE_SP_CMD_PET_WDT			= 0xA2,
+	RAVE_SP_CMD_RMB_EEPROM			= 0xA4,
 	RAVE_SP_CMD_SET_BACKLIGHT		= 0xA6,
 	RAVE_SP_CMD_RESET			= 0xA7,
 	RAVE_SP_CMD_RESET_REASON		= 0xA8,
-- 
2.17.1