DAPM core already creates widgets for DAIs. It is not necessary
to declare them by SND_SOC_DAPM_AIF_IN/SND_SOC_DAPM_AIF_OUT.
Furthermore, original codes use backend DAI's stream name to be the AIF
widget name. It causes the same widget to be created twice, and after
commit 92fa1242 ("ASoC: dapm: Add new widgets to the end of the
widget list") the first created widget (by snd_soc_dapm_new_controls)
is used, not the 2nd created one (by snd_soc_dapm_new_dai_widgets),
so audio path is broken.
Signed-off-by: NKoro Chen <koro.chen@mediatek.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

This adds suspend/resume callbacks, which are common for each DAI.
To be able to continue the last playback/capture after resume
when suspend was done during a playback/capture, in the callbacks
we do backup/restore of registers which were set before prepare stage.
Registers to be backup/restore are defined in a backup list array.
Signed-off-by: NKoro Chen <koro.chen@mediatek.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

platform_driver does not need to set an owner because
platform_driver_register() will set it.
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: NKoro Chen <koro.chen@mediatek.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

This adds call to runtime suspend in dev remove. It fixs the problem that
suspend is not called in the case of CONFIG_PM=n. It also fixs build
warning when CONFIG_PM=n.
Signed-off-by: NKoro Chen <koro.chen@mediatek.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

This is the DPCM based platform driver of AFE (Audio Front End) unit.
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: NKoro Chen <koro.chen@mediatek.com>
Signed-off-by: NMark Brown <broonie@kernel.org>