[alsa-devel] [PATCH 2/2] ASoC: ad193x: Use snd_soc_update_bits for read-modify-write

Axel Lin axel.lin at gmail.com
Sat Oct 15 05:21:49 CEST 2011


2011/10/15 Mark Brown <broonie at opensource.wolfsonmicro.com>:
> On Fri, Oct 14, 2011 at 05:03:07PM +0800, Axel Lin wrote:
>
>>       reg = snd_soc_read(codec, AD193X_DAC_CTRL2);
>> -     reg = (mute > 0) ? reg | AD193X_DAC_MASTER_MUTE : reg &
>> -             (~AD193X_DAC_MASTER_MUTE);
>> +     if (mute)
>> +             reg |= AD193X_DAC_MASTER_MUTE;
>> +     else
>> +             reg &= ~AD193X_DAC_MASTER_MUTE;
>>       snd_soc_write(codec, AD193X_DAC_CTRL2, reg);
>
> This is still using snd_soc_read() and snd_soc_write() (though it is a
> cleanup).
>
hi Mark,
One of the major reason that I do the convert to snd_soc_update_bits
is for better readability.
In this case, it seems ok to me with this change.
But if you prefer also convert it to snd_soc_update_bits, I can do it.
Let me know if I need to send a v2 for it.

Thanks,
Axel


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