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Date:	Tue, 18 Sep 2012 11:10:07 +0530
From:	Shubhrajyoti <shubhrajyoti@...com>
To:	Ryan Mallon <rmallon@...il.com>
CC:	rtc-linux@...glegroups.com, linux-kernel@...r.kernel.org,
	julia.lawall@...6.fr
Subject: Re: [PATCH 3/7] rtc: Convert struct i2c_msg initialization to C99
 format

On Tuesday 18 September 2012 07:21 AM, Ryan Mallon wrote:
> Actually, I wonder if it is useful to have something like:.
Read and write differ only in the flag also it will be a deviation from
what $SUBJECT
would warrant.  So could be a separate patch.
>
> 	#define I2C_WRITE(_addr, _buf, _len) {	\
> 		.addr	= _addr,		\
> 		.buf	= _buf,			\
> 		.len	= _len,			\
> 	}
>
> 	#define I2C_READ(_addr, _buf, _len) {	\
> 		.addr	= _addr,		\
> 		.buf	= _buf,			\
> 		.len	= _len,			\
> 		.flags	= I2C_M_RD,		\
> 	}
>
> and then write this as:
>
> 	struct i2c_msg msgs[2] = {
> 		I2C_WRITE(client->addr, reg_addr, sizeof(reg_addr)),
> 		I2C_READ(client->addr, buf, len),
> 	};

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