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ASoC: SOF: Intel: clarify bus_init and bus_exit sequences

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The dependencies are on SND_SOC_SOF_HDA_AUDIO_CODEC and the bus_exit
sequence should be well identified.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20221027193540.259520-17-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2022-10-27 15:35:35 -04:00 committed by Mark Brown
parent 3400afcf68
commit afae094299
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
3 changed files with 20 additions and 13 deletions
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23
sound/soc/sof/intel/hda-bus.c
View file

@ -18,11 +18,7 @@
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
#include "../../codecs/hdac_hda.h"
#define sof_hda_ext_ops snd_soc_hdac_hda_get_ops()
#else
#define sof_hda_ext_ops NULL
#endif
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
static void update_codec_wake_enable(struct hdac_bus *bus, unsigned int addr, bool link_power)
{
unsigned int mask = snd_hdac_chip_readw(bus, WAKEEN);
@ -70,11 +66,13 @@ static const struct hdac_bus_ops bus_core_ops = {
/*
* This can be used for both with/without hda link support.
*/
void sof_hda_bus_init(struct hdac_bus *bus, struct device *dev)
void sof_hda_bus_init(struct snd_sof_dev *sdev, struct device *dev)
{
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
struct hdac_bus *bus = sof_to_bus(sdev);
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
snd_hdac_ext_bus_init(bus, dev, &bus_core_ops, sof_hda_ext_ops);
#else /* CONFIG_SND_SOC_SOF_HDA */
#else /* CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC */
memset(bus, 0, sizeof(*bus));
bus->dev = dev;
@ -89,5 +87,14 @@ void sof_hda_bus_init(struct hdac_bus *bus, struct device *dev)
bus->idx = 0;
spin_lock_init(&bus->reg_lock);
#endif /* CONFIG_SND_SOC_SOF_HDA */
#endif /* CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC */
}
void sof_hda_bus_exit(struct snd_sof_dev *sdev)
{
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
struct hdac_bus *bus = sof_to_bus(sdev);
snd_hdac_ext_bus_exit(bus);
#endif
}

7
sound/soc/sof/intel/hda.c
View file

@ -696,7 +696,7 @@ static int hda_init(struct snd_sof_dev *sdev)
bus = sof_to_bus(sdev);
/* HDA bus init */
sof_hda_bus_init(bus, &pci->dev);
sof_hda_bus_init(sdev, &pci->dev);
if (sof_hda_position_quirk == SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS)
bus->use_posbuf = 0;
@ -1208,9 +1208,8 @@ int hda_dsp_remove(struct snd_sof_dev *sdev)
iounmap(sdev->bar[HDA_DSP_BAR]);
iounmap(bus->remap_addr);
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
snd_hdac_ext_bus_exit(bus);
#endif
sof_hda_bus_exit(sdev);
hda_codec_i915_exit(sdev);
return 0;

3
sound/soc/sof/intel/hda.h
View file

@ -708,7 +708,8 @@ void hda_dsp_ctrl_stop_chip(struct snd_sof_dev *sdev);
/*
* HDA bus operations.
*/
void sof_hda_bus_init(struct hdac_bus *bus, struct device *dev);
void sof_hda_bus_init(struct snd_sof_dev *sdev, struct device *dev);
void sof_hda_bus_exit(struct snd_sof_dev *sdev);
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
/*