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Date: Tue, 14 Jun 2022 17:14:37 +0200 From: Greg KH <gregkh@...uxfoundation.org> To: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com> Cc: Bard Liao <yung-chuan.liao@...ux.intel.com>, alsa-devel@...a-project.org, vkoul@...nel.org, vinod.koul@...aro.org, linux-kernel@...r.kernel.org, tiwai@...e.de, broonie@...nel.org, srinivas.kandagatla@...aro.org, sanyog.r.kale@...el.com, bard.liao@...el.com Subject: Re: [PATCH 2/2] ASoC: SOF: Intel: add trigger callback into sdw_callback On Tue, Jun 14, 2022 at 09:55:41AM -0500, Pierre-Louis Bossart wrote: > > >> @@ -809,6 +814,10 @@ void hda_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) > >> if (!hda_use_tplg_nhlt) > >> ipc4_data->nhlt = intel_nhlt_init(sdev->dev); > >> > >> +#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) > >> + sdw_callback.trigger = ipc4_be_dai_common_trigger; > >> +#endif > > > > #if should not be in .c files if at all possible. Surely there's a > > better way here... > > we could use > > if (IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)) > sdw_callback.trigger = ipc4_be_dai_common_trigger; > > would that work? It's more readable, right? Also easier to maintain over time. > We try to keep this driver configurable, not all platforms require > SoundWire or HDaudio, and that 'sdw_callback' ops structure is > conditionally declared. Perhaps don't conditionally declare that? How much does it really save to do that? thanks, greg k-h
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