[alsa-devel] [PATCH 2/2] ASoC: add driver for Rockchip RK3xxx I2S controller

Mark Brown broonie at kernel.org
Wed Jul 2 13:16:36 CEST 2014


On Wed, Jul 02, 2014 at 06:57:46PM +0800, Jianqun wrote:
> Hi Mark:

Don't top post.

> Since regmap_update_bits is int style, I have to error check every time after call it.
> Also I find that the tegra_i2s.c call the function without error checking,

> Could you tell me the right way to handle the regmap_update_bits ?

With memory mapped I/O there's no real point in checking for errors so
if you kno0w your device is memory mapped you can get away with just
ignoring them.
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