rpi-simple-soundcard: adds definitions for the HiFiBerry AMP3 card

Uses Infineon MA120x0 amplifier and supports full sample rate of 192ksps.

Signed-off-by: Joerg Schambacher <joerg@hifiberry.com>

diff --git a/sound/soc/bcm/rpi-simple-soundcard.c b/sound/soc/bcm/rpi-simple-soundcard.c
index 5f754af..fd1e429 100644 (file)
--- a/sound/soc/bcm/rpi-simple-soundcard.c
+++ b/sound/soc/bcm/rpi-simple-soundcard.c
@@ -253,6 +253,28 @@ static struct snd_rpi_simple_drvdata drvdata_hifiberry_amp = {
        .fixed_bclk_ratio = 64,
 };
 
+SND_SOC_DAILINK_DEFS(hifiberry_amp3,
+       DAILINK_COMP_ARRAY(COMP_EMPTY()),
+       DAILINK_COMP_ARRAY(COMP_CODEC("ma120x0p.1-0020", "ma120x0p-amp")),
+       DAILINK_COMP_ARRAY(COMP_EMPTY()));
+
+static struct snd_soc_dai_link snd_hifiberry_amp3_dai[] = {
+       {
+               .name           = "HifiberryAmp3",
+               .stream_name    = "Hifiberry Amp3",
+               .dai_fmt        = SND_SOC_DAIFMT_I2S |
+                                       SND_SOC_DAIFMT_NB_NF |
+                                       SND_SOC_DAIFMT_CBS_CFS,
+               SND_SOC_DAILINK_REG(hifiberry_amp3),
+       },
+};
+
+static struct snd_rpi_simple_drvdata drvdata_hifiberry_amp3 = {
+       .card_name       = "snd_rpi_hifiberry_amp3",
+       .dai             = snd_hifiberry_amp3_dai,
+       .fixed_bclk_ratio = 64,
+};
+
 SND_SOC_DAILINK_DEFS(hifiberry_dac,
        DAILINK_COMP_ARRAY(COMP_EMPTY()),
        DAILINK_COMP_ARRAY(COMP_CODEC("pcm5102a-codec", "pcm5102a-hifi")),
@@ -370,6 +392,8 @@ static const struct of_device_id snd_rpi_simple_of_match[] = {
                .data = (void *) &drvdata_hifiberrydacplusdsp },
        { .compatible = "hifiberry,hifiberry-amp",
                .data = (void *) &drvdata_hifiberry_amp },
+       { .compatible = "hifiberry,hifiberry-amp3",
+               .data = (void *) &drvdata_hifiberry_amp3 },
        { .compatible = "hifiberry,hifiberry-dac",
                .data = (void *) &drvdata_hifiberry_dac },
        { .compatible = "dionaudio,dionaudio-kiwi",