On Tue, May 23, 2023 at 06:13:25PM +0100, Srinivas Kandagatla wrote: > On 23/05/2023 17:58, Mark Brown wrote: > > On Tue, May 23, 2023 at 04:47:47PM +0100, Srinivas Kandagatla wrote: > > > + /* Only bulk writes are supported not multi-register writes */ > > > + if (config->can_multi_write) > > > + return -ENOTSUPP; > > This doesn't seem like the right fix - I'd expect us to simply choose > > not to use multiple writes, with an additional flag/check for bus > > support. > Is there a way to check if bus support multi-register writes? > All I can see from the code is that regmap can_multi_write is set based on > regmap_config from device and write callback from bus. No, that'd be the additional flag/check bit - see also my question about if this is something the hardware actually has or not on the CODEC patch.
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