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

[Mark Brown]

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.
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