Re: [alsa-devel] [PATCH 2/9] ASoC: tegra: add support for CIF programming

Dmitry Osipenko
2020-01-21T16:04:25Z

21.01.2020 07:41, Sameer Pujar пишет:
>
> On 1/20/2020 9:28 PM, Dmitry Osipenko wrote:
>> External email: Use caution opening links or attachments
>>
>>
>> Hello Sameer,
>>
>> 20.01.2020 17:23, Sameer Pujar пишет:
>>
>> [snip]
>>
>>> Tegra30 and Tegra124 have an identical CIF programming helper function.
>> [snip]
>>
>>> -#define TEGRA124_AUDIOCIF_CTRL_FIFO_THRESHOLD_SHIFT  24
>>> -#define TEGRA124_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK_US        0x3f
>>> -#define TEGRA124_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK
>>> (TEGRA124_AUDIOCIF_CTRL_FIFO_THRESHOLD_MASK_US <<
>>> TEGRA124_AUDIOCIF_CTRL_FIFO_THRESHOLD_SHIFT)
>>> -
>>> -/* Channel count minus 1 */
>>> -#define TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_SHIFT   24
>>> -#define TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK_US 7
>>> -#define TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK
>>> (TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_MASK_US <<
>>> TEGRA30_AUDIOCIF_CTRL_AUDIO_CHANNELS_SHIFT)
>> The AUDIOCIF_CTRL bitfields are not the same on T30 and T124, why are
>> you claiming that programming is identical? Have you actually tried to
>> test these patches on T30?
>
> Oh yes! seems like I overlooked the macro values. Thanks for pointing
> this. I will retain separate CIF function for Tegra30.
> I do not have a Tegra30 board with me and hence could not test anything
> specific to it apart from build sanity.
> If someone can help me test I would really appreciate.
>

I'll help with the testing once all obvious problems will be fixed.