[alsa-devel] [PATCH v2 4/9] ASoC: tegra: add Tegra210 based I2S driver

Sameer Pujar spujar at nvidia.com
Fri Feb 7 12:23:45 CET 2020



On 2/6/2020 10:36 PM, David Laight wrote:
> External email: Use caution opening links or attachments
>
>
> From: f Dmitry Osipenko
>> Sent: 06 February 2020 16:59
>>
>> 30.01.2020 13:33, Sameer Pujar пишет:
>> ...
>>> +static const int tegra210_cif_fmt[] = {
>>> +   0,
>>> +   TEGRA_ACIF_BITS_16,
>>> +   TEGRA_ACIF_BITS_32,
>>> +};
>>> +
>>> +static const int tegra210_i2s_bit_fmt[] = {
>>> +   0,
>>> +   I2S_BITS_16,
>>> +   I2S_BITS_32,
>>> +};
>>> +
>>> +static const int tegra210_i2s_sample_size[] = {
>>> +   0,
>>> +   16,
>>> +   32,
>>> +};
>> static const *unsigned* int?
> Or get rid of the table lookups completely.
> Assuming the index is never zero then the value
> can be calculated as (const_a + const_b * index).

All above tables are mapped to tegra210_i2s_format_text[]. 
Additions/removal of entries will require changes in equation. It is 
better keep the mapping as it is.
>
>          David
>
> -
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