linux-kernel - [PATCH V1] i2c: xgene: Add support for I2C_FUNC

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Date:   Wed, 26 Apr 2017 11:41:45 +0700
From:   tnhuynh@....com
To:     Wolfram Sang <wsa@...-dreams.de>, linux-i2c@...r.kernel.org,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Loc Ho <lho@....com>, Phong Vo <pvo@....com>, patches@....com,
        Tin Huynh <tnhuynh@....com>
Subject: [PATCH V1] i2c: xgene: Add support for I2C_FUNC_I2C functionality

From: Tin Huynh <tnhuynh@....com>

Certain I2C slave drivers, such as the pca95xx, require
only I2C operations instead of SMBus extensions.
This patch adds I2C_FUNC_I2C functionally to support those drivers.
---
 drivers/i2c/busses/i2c-xgene-slimpro.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/i2c/busses/i2c-xgene-slimpro.c b/drivers/i2c/busses/i2c-xgene-slimpro.c
index dbe7e44..439357c 100644
--- a/drivers/i2c/busses/i2c-xgene-slimpro.c
+++ b/drivers/i2c/busses/i2c-xgene-slimpro.c
@@ -365,7 +365,8 @@ static int xgene_slimpro_i2c_xfer(struct i2c_adapter *adap, u16 addr,
 */
 static u32 xgene_slimpro_i2c_func(struct i2c_adapter *adapter)
 {
-	return I2C_FUNC_SMBUS_BYTE |
+	return I2C_FUNC_I2C |
+		I2C_FUNC_SMBUS_BYTE |
 		I2C_FUNC_SMBUS_BYTE_DATA |
 		I2C_FUNC_SMBUS_WORD_DATA |
 		I2C_FUNC_SMBUS_BLOCK_DATA |
-- 
1.7.1