[PATCH v10] sun4i-codec: Add Line-In, FM-In, Mic 2, Capture Source, Differential Line-In

From: Danny Milosavljevic
Date: Wed Jun 07 2017 - 03:41:10 EST


This patch adds support for some mixer controls to sun4i-codec:
- Line-In
- FM-In
- Mic 2
- Capture Source
- Differential Line-In

It also adds a mux for the capture source and the PGA for the MIC2 preamp.

Where possible, it uses SOC_DAPM_DOUBLE in order to cut down on the number
of distinct controls in alsamixer.

v10 changes compared to v9 are:
- Use SOC_DAPM_DOUBLE where possible and it makes sense in order to cut
down on the number of controls.

v9 changes compared to v8 are:
- added Line Differential Capture Switch.
- split Capture Source into Left Capture Select, Right Capture Select.
- added Line Capture Volume.
- rename "sun4i_codec_widgets" to "sun4i_codec_controls" for
consistency with the struct field it's used in.
- rename "Line-In" to "Line".
- rename "Power Amplifier Playback Volume" to "Headphone Playback Volume".

v8 changes compared to v7 are:
- fixed the routes for line and mic capturing.

v7 changes compared to v6 are:
- preparation for different A20, A10 controls is now in an extra patch.
- all register definitions are now at the top.
- sun7i-specific things (A20-specific things) are now less grouped-together.
- rename "Power Amplifier Volume" to "Power Amplifier Playback Volume".

v6 changes compared to v5 are:
- Mic preamplifier special cases for A20 and A10 now are now not icky:
There are two different _widget arrays and the probe() function now
selects the right one to pass to snd_soc_register_codec() unmodified.
- sun7i-specific things (A20-specific things) are now grouped together.

v5 changes compared to v4 are:
- Mic preamplifier controls have more common names now.
- Mic preamplifier scale has a 0 dB entry as well now, as documented in the
A20 user manual.
- Mic preamplifier has special cases for A20 and A10 now.
- Gain controls have "Gain" in the name now.

v4 changes compared to v3 are:
- names of the input are not uppercase anymore.
- bit index constants are now named as in the A20 user manual v1.4.
- added Mic1-In, Mac2-In.
- added Mic1 and Mic2 Pre-Amplifiers.

v3 changes compared to v2 are:
- added DAPM routes.

v2 changes compared to v1 are:
- moved Line-In and FM-In playback switches to their respective
sun4i_codec_*_mixer_controls.

v1 changes:
- added linein, fmin output volumes and switches.

Danny Milosavljevic (1):
sun4i-codec: Add mixer controls: Line-In, FM-In, Mic 2, Capture
Source, Differential Line-In.

sound/soc/sunxi/sun4i-codec.c | 296 ++++++++++++++++++++++++++++++++++++++----
1 file changed, 269 insertions(+), 27 deletions(-)

--
2.1.4