linux-kernel - [RESEND PATCH 2/2] i2c: added I2C_FUNC_NO_CLK

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Date:	Mon,  7 Sep 2015 11:48:02 +0200
From:	Nicola Corna <nicola@...na.info>
To:	Wolfram Sang <wsa@...-dreams.de>, linux-i2c@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Nicola Corna <nicola@...na.info>
Subject: [RESEND PATCH 2/2] i2c: added I2C_FUNC_NO_CLK_STRETCH to i2c-algo-bit.c

Added I2C_FUNC_NO_CLK_STRETCH to drivers/i2c/algos/i2c-algo-bit.c when
getscl is not available.

Signed-off-by: Nicola Corna <nicola@...na.info>
---
 drivers/i2c/algos/i2c-algo-bit.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index 899bede..82cad0b 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -602,10 +602,13 @@ bailout:
 
 static u32 bit_func(struct i2c_adapter *adap)
 {
+	struct i2c_algo_bit_data *bit_adap = adap->algo_data;
+
 	return I2C_FUNC_I2C | I2C_FUNC_NOSTART | I2C_FUNC_SMBUS_EMUL |
 	       I2C_FUNC_SMBUS_READ_BLOCK_DATA |
 	       I2C_FUNC_SMBUS_BLOCK_PROC_CALL |
-	       I2C_FUNC_10BIT_ADDR | I2C_FUNC_PROTOCOL_MANGLING;
+	       I2C_FUNC_10BIT_ADDR | I2C_FUNC_PROTOCOL_MANGLING |
+	       (bit_adap->getscl ? 0 : I2C_FUNC_NO_CLK_STRETCH);
 }
 
 
-- 
2.5.1

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