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ASoC: soc-component: add snd_soc_pcm_component_page()

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Current ALSA SoC is directly using component->driver->ops->xxx,
thus, the code nested deeply, and it makes code difficult to read,
and is not good for encapsulation.

We want to implement component related function at soc-component.c,
but, some of them need to care whole snd_soc_pcm_runtime (= rtd)
connected component.

Let's call component related function which need to care with
for_each_rtdcom() loop as snd_soc_pcm_component_xxx().
This patch adds new snd_soc_pcm_component_page() and use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87o91h4d06.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto
2019-07-26 13:52:00 +09:00
committed by Mark Brown
parent 82d81f5cce
commit 9c712e4f57
3 changed files with 26 additions and 25 deletions
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2
include/sound/soc-component.h
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@@ -377,5 +377,7 @@ int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,
int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
void __user *buf, unsigned long bytes);
struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream,
unsigned long offset);
#endif /* __SOC_COMPONENT_H */