This patch adds "FM-In" and "Line-In" playback mixer controls to sun4i-codec in <https://github.com/torvalds/linux.git>. It was successfully tested on A20-OLinuXino-LIME2. Muting works and the volume controls work. Note that enabling audio on LIME2 requires a minimal 'status = "okay"' dts patch which is not included.
I tested the new mixer controls using alsamixer. Signed-off-by: Danny Milosavljevic <danny...@scratchpost.org> --- sound/soc/sunxi/sun4i-codec.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c index 1bb896d..4a5beaa 100644 --- a/sound/soc/sunxi/sun4i-codec.c +++ b/sound/soc/sunxi/sun4i-codec.c @@ -58,6 +58,12 @@ #define SUN4I_CODEC_DAC_ACTL_DACAENR (31) #define SUN4I_CODEC_DAC_ACTL_DACAENL (30) #define SUN4I_CODEC_DAC_ACTL_MIXEN (29) +#define SUN4I_CODEC_DAC_LINEIN_OUTPUT_VOLUME (26) /* 1 bit */ +#define SUN4I_CODEC_DAC_FMIN_OUTPUT_VOLUME (23) /* 3 bit */ +#define SUN4I_CODEC_DAC_LINEIN_L_SWITCH (19) /* 1 bit */ +#define SUN4I_CODEC_DAC_LINEIN_R_SWITCH (18) /* 1 bit */ +#define SUN4I_CODEC_DAC_FMIN_L_SWITCH (17) /* 1 bit */ +#define SUN4I_CODEC_DAC_FMIN_R_SWITCH (16) /* 1 bit */ #define SUN4I_CODEC_DAC_ACTL_LDACLMIXS (15) #define SUN4I_CODEC_DAC_ACTL_RDACRMIXS (14) #define SUN4I_CODEC_DAC_ACTL_LDACRMIXS (13) @@ -404,10 +410,40 @@ static const struct snd_kcontrol_new sun4i_codec_pa_mute = static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1); +/* min = -1.5 dB, step = 1.5 dB, doesn't mute */ +static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_volume_scale, -150, 150, 0); + +/* min = -4.5 dB, step = 1.5 dB, doesn't mute */ +static DECLARE_TLV_DB_SCALE(sun4i_codec_fmin_volume_scale, -450, 150, 0); + static const struct snd_kcontrol_new sun4i_codec_widgets[] = { SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL, SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0, sun4i_codec_pa_volume_scale), + SOC_SINGLE_TLV("Line-In Playback Volume", + SUN4I_CODEC_DAC_ACTL, + SUN4I_CODEC_DAC_LINEIN_OUTPUT_VOLUME, + 1, + 0, + sun4i_codec_linein_volume_scale), + SOC_SINGLE_TLV("FM-In Playback Volume", + SUN4I_CODEC_DAC_ACTL, + SUN4I_CODEC_DAC_FMIN_OUTPUT_VOLUME, + 3, + 0, + sun4i_codec_fmin_volume_scale), + SOC_DOUBLE("Line-In Playback Switch", + SUN4I_CODEC_DAC_ACTL, + SUN4I_CODEC_DAC_LINEIN_L_SWITCH, + SUN4I_CODEC_DAC_LINEIN_R_SWITCH, + 1, + 0), + SOC_DOUBLE("FM-In Playback Switch", + SUN4I_CODEC_DAC_ACTL, + SUN4I_CODEC_DAC_FMIN_L_SWITCH, + SUN4I_CODEC_DAC_FMIN_R_SWITCH, + 1, + 0), }; static const struct snd_kcontrol_new sun4i_codec_left_mixer_controls[] = { -- 2.1.4 -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.