[PATCH] spi: bitbang: only toggle bitchanges

[Mark Brown]

On Tue, Mar 31, 2015 at 03:54:49PM +0200, Michael Grzeschik wrote:

>  		if ((flags & SPI_MASTER_NO_TX) == 0)
> -			setmosi(spi, word & (1 << 31));
> +			if ((word & (1 << 31)) != oldbit) {
> +				setmosi(spi, word & (1 << 31));
> +				oldbit = word & (1 << 31);
> +			}
>  		spidelay(nsecs);	/* T(setup) */

This change is fine but for legibility can you please add braces around
the outer if as well?
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