Re: [PATCH v3 02/10] ASoC: tegra: add support for CIF programming

Dmitry Osipenko
2020-02-21T05:29:11Z

20.02.2020 09:34, Sameer Pujar пишет:
> Audio Client Interface (CIF) is a proprietary interface employed to route
> audio samples through Audio Hub (AHUB) components by inter connecting the
> various modules.
>
> This patch exports an inline function tegra_set_cif() which can be used,
> for now, to program CIF on Tegra210 and later Tegra generations. Later it
> can be extended to include helpers for legacy chips as well.
>
> Signed-off-by: Sameer Pujar <spujar@nvidia.com>
> ---
> sound/soc/tegra/tegra_cif.h | 63 +++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 63 insertions(+)
> create mode 100644 sound/soc/tegra/tegra_cif.h
>
> diff --git a/sound/soc/tegra/tegra_cif.h b/sound/soc/tegra/tegra_cif.h
> new file mode 100644
> index 0000000..ecc0850
> --- /dev/null
> +++ b/sound/soc/tegra/tegra_cif.h
> @@ -0,0 +1,63 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * tegra_cif.h - TEGRA Audio CIF Programming
> + *
> + * Copyright (c) 2020 NVIDIA CORPORATION. All rights reserved.
> + *
> + */
> +
> +#ifndef __TEGRA_CIF_H__
> +#define __TEGRA_CIF_H__

For completeness here should be:

#include <linux/regmap.h>

...
> +static inline void tegra_set_cif(struct regmap *regmap, unsigned int reg,
> + struct tegra_cif_conf *conf)
> +{
...
> + regmap_update_bits(regmap, reg, TEGRA_ACIF_UPDATE_MASK, value);
> +}
> +
> +#endif
>

Otherwise:

Reviewed-by: Dmitry Osipenko <digetx@gmail.com>