On Fri, Oct 14, 2022 at 03:51:49PM +0530, Padmanabhan Rajanbabu wrote:
> +++ b/sound/soc/samsung/fsd-card.c
> @@ -0,0 +1,349 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * ALSA SoC Audio Layer - FSD Soundcard driver
> + *
> + * Copyright (c) 2022 Samsung Electronics Co. Ltd.
> + * Padmanabhan Rajanbabu <p.rajanbabu@xxxxxxxxxxx>
Please make the entire comment a C++ one so things look more
intentional.
> + if (link->dai_fmt & SND_SOC_DAIFMT_CBC_CFC) {
> + cdclk_dir = SND_SOC_CLOCK_OUT;
> + } else if (link->dai_fmt & SND_SOC_DAIFMT_CBP_CFP) {
> + cdclk_dir = SND_SOC_CLOCK_IN;
> + } else {
> + dev_err(card->dev, "Missing Clock Master information\n");
> + goto err;
> + }
We're trying to modernise the langauge around clock providers, please
use that term rather than the outdated terminology here.
> + if (priv->tdm_slots) {
> + ret = snd_soc_dai_set_tdm_slot(cpu_dai, false, false,
> + priv->tdm_slots, priv->tdm_slot_width);
> + if (ret < 0) {
> + dev_err(card->dev,
> + "Failed to configure in TDM mode:%d\n", ret);
> + goto err;
> + }
> + }
Just set things once on probe if they don't depend on the configuration,
it's neater and marginally faster if nothing else.
> + if (of_property_read_bool(dev->of_node, "widgets")) {
> + ret = snd_soc_of_parse_audio_simple_widgets(card, "widgets");
> + if (ret)
> + return ERR_PTR(ret);
> + }
> +
> + /* Add DAPM routes to the card */
> + if (of_property_read_bool(node, "audio-routing")) {
> + ret = snd_soc_of_parse_audio_routing(card, "audio-routing");
> + if (ret)
> + return ERR_PTR(ret);
> + }
Just fix the library functions to handle missing properties gracefully,
every card is going to need the same code here.
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