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

From: Sameer Pujar
Date: Mon Jan 20 2020 - 23:41:27 EST



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 ÐÐÑÐÑ:

[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.