[alsa-devel] [PATCH v2 3/3] ASoC: TDA7802: Add turn-on diagnostic routine

[Thomas Preston]

On 30/07/2019 15:20, Mark Brown wrote:
> On Tue, Jul 30, 2019 at 03:04:19PM +0100, Thomas Preston wrote:
>> On 30/07/2019 13:41, Charles Keepax wrote:
> 
>>> This could probably be removed using regmap_multi_reg_write.
> 
>> The problem is that I want to retain the state of the other bits in those
>> registers. Maybe I should make a copy of the backed up state, set the bits
>> I want to off-device, then either:
> 
>> 1. Write the changes with regmap_multi_reg_write
>> 2. Write all six regs again (if my device doesn't support the multi_reg)
> 
> Or make this a regmap function, there's nothing device specific about
> it.
> 

I did wonder why regmap didn't have an multi-update function. If appropriate,
I will add this in.