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

Sameer Pujar
2020-01-21T04:41:26Z

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.