[PATCH v2 2/5] ASoC: sun4i-codec: correct dapm widgets and controls for h616

[Ryan Walklin <ryan@testtoast.com>]

From: Chris Morgan <macromorgan@hotmail.com>

The previous H616 support patch added a single LINEOUT DAPM pin switch
to the card controls. As the codec in this SoC only has a single route,
this seemed reasonable at the time, however is redundant given the
existing DAPM codec widget definitions controlling the digital and
analog sides of the codec.

It is also insufficient to describe the scenario where separate
components (muxes, jack detection etc) are used to modify the audio
route external to the SoC. For example the Anbernic RG(##)XX series of
devices uses a headphone jack detection switch, GPIO-controlled speaker
amplifier and a passive external mux chip to route audio.

The LINEOUT route remains defined as the final common endpoint
for the codec's output, and is referenced by device trees.

Remove the redundant LINEOUT card control, and add a Speaker pin switch
control and Headphone DAPM widget to allow control of the above
hardware.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Ryan Walklin <ryan@testtoast.com>

--
Changelog v1..v2:
- Separate DAPM changes into separate patch and add/elaborate rationale.
---
 sound/soc/sunxi/sun4i-codec.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 886b3fa537d26..f24bbefeb3923 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -1916,10 +1916,11 @@ static const struct snd_soc_component_driver sun50i_h616_codec_codec = {
 };
 
 static const struct snd_kcontrol_new sun50i_h616_card_controls[] = {
-	SOC_DAPM_PIN_SWITCH("LINEOUT"),
+	SOC_DAPM_PIN_SWITCH("Speaker"),
 };
 
 static const struct snd_soc_dapm_widget sun50i_h616_codec_card_dapm_widgets[] = {
+	SND_SOC_DAPM_HP("Headphone", NULL),
 	SND_SOC_DAPM_LINE("Line Out", NULL),
 	SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event),
 };
-- 
2.48.1