diff options
| author | Viorel Suman <viorel.suman@nxp.com> | 2018-08-08 09:56:36 +0300 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-11-25 15:54:20 +0800 |
| commit | fff54ed842c9e88b6b3ece2a0f1616f92fbcfe79 (patch) | |
| tree | 2104dd3636eced115a5ebb47418d976b09505216 /sound/soc/fsl/fsl_spdif.c | |
| parent | 83fbe123247d174b41a985e4c4021939bf4e983e (diff) | |
MLK-19115-2: ASoC: fsl_spdif: add support for enabling raw capture mode
Since i.MX8 MQ SPDIF interface is able to capture raw data.
Add support in SPDIF driver for this functionality.
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
(cherry picked from commit e13a302391f56a6bb547ff89e3fac73941cee429)
Diffstat (limited to 'sound/soc/fsl/fsl_spdif.c')
| -rw-r--r-- | sound/soc/fsl/fsl_spdif.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c index 7d292e9f91ce..92956d2e3865 100644 --- a/sound/soc/fsl/fsl_spdif.c +++ b/sound/soc/fsl/fsl_spdif.c @@ -826,6 +826,39 @@ static int fsl_spdif_tx_vbit_put(struct snd_kcontrol *kcontrol, return 0; } +static int fsl_spdif_rx_rcm_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_dai *cpu_dai = snd_kcontrol_chip(kcontrol); + struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai); + struct regmap *regmap = spdif_priv->regmap; + u32 val; + + regmap_read(regmap, REG_SPDIF_SCR, &val); + val = (val & SCR_RAW_CAPTURE_MODE) ? 1 : 0; + ucontrol->value.integer.value[0] = val; + + return 0; +} + +static int fsl_spdif_rx_rcm_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_dai *cpu_dai = snd_kcontrol_chip(kcontrol); + struct fsl_spdif_priv *spdif_priv = snd_soc_dai_get_drvdata(cpu_dai); + struct regmap *regmap = spdif_priv->regmap; + u32 val = (ucontrol->value.integer.value[0] ? SCR_RAW_CAPTURE_MODE : 0); + + if (val) + cpu_dai->driver->capture.formats |= SNDRV_PCM_FMTBIT_S32_LE; + else + cpu_dai->driver->capture.formats &= ~SNDRV_PCM_FMTBIT_S32_LE; + + regmap_update_bits(regmap, REG_SPDIF_SCR, SCR_RAW_CAPTURE_MODE, val); + + return 0; +} + /* DPLL lock information */ static int fsl_spdif_rxrate_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) @@ -1007,6 +1040,16 @@ static struct snd_kcontrol_new fsl_spdif_ctrls[] = { .get = fsl_spdif_usync_get, .put = fsl_spdif_usync_put, }, + { + .iface = SNDRV_CTL_ELEM_IFACE_PCM, + .name = "IEC958 Rx Raw Capture Mode Bit", + .access = SNDRV_CTL_ELEM_ACCESS_READ | + SNDRV_CTL_ELEM_ACCESS_WRITE | + SNDRV_CTL_ELEM_ACCESS_VOLATILE, + .info = snd_ctl_boolean_mono_info, + .get = fsl_spdif_rx_rcm_get, + .put = fsl_spdif_rx_rcm_put, + }, }; static int fsl_spdif_dai_probe(struct snd_soc_dai *dai) |