Re: [PATCH 4/6] ASoC: codecs: wsa884x: parse port-mapping information

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On Thu, 27 Jun 2024 at 17:16, Krzysztof Kozlowski
<krzysztof.kozlowski@xxxxxxxxxx> wrote:
>
> On 27/06/2024 15:38, Dmitry Baryshkov wrote:
> > On Thu, Jun 27, 2024 at 12:55:20PM GMT, Srinivas Kandagatla wrote:
> >> Add support to parse static master port map information from device tree.
> >> This is required for correct port mapping between soundwire device and
> >> master ports.
> >>
> >> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> >> ---
> >>  sound/soc/codecs/wsa884x.c | 8 ++++++++
> >>  1 file changed, 8 insertions(+)
> >>
> >> diff --git a/sound/soc/codecs/wsa884x.c b/sound/soc/codecs/wsa884x.c
> >> index a9767ef0e39d..72ff71bfb827 100644
> >> --- a/sound/soc/codecs/wsa884x.c
> >> +++ b/sound/soc/codecs/wsa884x.c
> >> @@ -1887,6 +1887,14 @@ static int wsa884x_probe(struct sdw_slave *pdev,
> >>      wsa884x->sconfig.direction = SDW_DATA_DIR_RX;
> >>      wsa884x->sconfig.type = SDW_STREAM_PDM;
> >>
> >> +    /**
> >> +     * Port map index starts with 0, however the data port for this codec
> >> +     * are from index 1
> >> +     */
> >> +    if (of_property_read_u32_array(dev->of_node, "qcom,port-mapping", &pdev->m_port_map[1],
> >> +                                    WSA884X_MAX_SWR_PORTS))
> >> +            dev_info(dev, "Static Port mapping not specified\n");
> >
> > Same comment. Either dev_warn (if it's something to warn about) or
> > dev_info.
> >
> > Or, as your commit message mentions that it is required, it should be an
> > error if the port mapping is not specified.
>
> That would be an ABI break.

Ok. So make it required just for new platforms. My point is that
dev_info here is pretty pointless.


-- 
With best wishes
Dmitry




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