On Sun, Apr 18, 2010 at 12:21:10PM +0200, Wolfram Sang wrote:
> The issue was truly solved by the second patch in this thread:
> 
> http://thread.gmane.org/gmane.linux.drivers.i2c/5436

Looks like i've got this in my i2c next.
 
> Accidently, the first one was picked up. So, this patch adds the
> remaining diff (and an additional newline).
> 
> Signed-off-by: Wolfram Sang <[email protected]>
> Cc: Luotao Fu <[email protected]>
> Cc: Kevin Wells <[email protected]>
> Cc: Ben Dooks <[email protected]>
> Cc: Jean Delvare <[email protected]>
> ---
> 
> Jean, can you pick this up, so it will be correct in 2.6.34?
> 
>  drivers/i2c/busses/i2c-pnx.c |    7 ++++++
>  1 files changed, 7 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c
> index 2471033..0853ee1 100644
> --- a/drivers/i2c/busses/i2c-pnx.c
> +++ b/drivers/i2c/busses/i2c-pnx.c
> @@ -173,6 +173,10 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data 
> *alg_data)
>               /* We still have something to talk about... */
>               val = *alg_data->mif.buf++;
>  
> +             /* last byte of a message */
> +             if (alg_data->mif.len == 1)
> +                     val |= stop_bit;
> +
>               alg_data->mif.len--;
>               iowrite32(val, I2C_REG_TX(alg_data));
>  
> @@ -246,6 +250,9 @@ static int i2c_pnx_master_rcv(struct i2c_pnx_algo_data 
> *alg_data)
>                       __func__);
>  
>               if (alg_data->mif.len == 1) {
> +                     /* Last byte, do not acknowledge next rcv. */
> +                     val |= stop_bit;
> +
>                       /*
>                        * Enable interrupt RFDAIE (data in Rx fifo),
>                        * and disable DRMIE (need data for Tx)
> -- 
> 1.7.0
> 
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-- 
Ben ([email protected], http://www.fluff.org/)

  'a smiley only costs 4 bytes'
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