diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2019-08-23 09:58:52 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-09-02 13:21:20 +0100 |
| commit | 95c267dd20431f0eb54ca204bd73a7d85c532a37 (patch) | |
| tree | 56d52f38e41be911fe06628499927fe3b27c3a93 /sound/soc/soc-dapm.c | |
| parent | b614beafa495c7f6fbc15cb6977e3fe48beea1e5 (diff) | |
ASoC: soc-core: add snd_soc_dapm_init()
It is easy to read code if it is cleanly using paired function/naming,
like start <-> stop, register <-> unregister, etc, etc.
But, current ALSA SoC code is very random, unbalance, not paired, etc.
It is easy to create bug at the such code, and it will be difficult to
debug.
soc-dapm has snd_soc_dapm_free() which cleanups debugfs, widgets, list.
But, there is no paired initialize function.
This patch adds snd_soc_dapm_init() and initilaizing dapm
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87pnkw7lbj.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/soc-dapm.c')
| -rw-r--r-- | sound/soc/soc-dapm.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 10819b3e0b98..b6378f025836 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -4717,6 +4717,27 @@ void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm) } EXPORT_SYMBOL_GPL(snd_soc_dapm_free); +void snd_soc_dapm_init(struct snd_soc_dapm_context *dapm, + struct snd_soc_card *card, + struct snd_soc_component *component) +{ + dapm->card = card; + dapm->component = component; + dapm->bias_level = SND_SOC_BIAS_OFF; + + if (component) { + dapm->dev = component->dev; + dapm->idle_bias_off = !component->driver->idle_bias_on, + dapm->suspend_bias_off = component->driver->suspend_bias_off; + } else { + dapm->dev = card->dev; + } + + INIT_LIST_HEAD(&dapm->list); + list_add(&dapm->list, &card->dapm_list); +} +EXPORT_SYMBOL_GPL(snd_soc_dapm_init); + static void soc_dapm_shutdown_dapm(struct snd_soc_dapm_context *dapm) { struct snd_soc_card *card = dapm->card; |