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path: root/sound/soc/fsl/fsl_spdif.c
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Diffstat (limited to 'sound/soc/fsl/fsl_spdif.c')
-rw-r--r--sound/soc/fsl/fsl_spdif.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index 7fc1c96929bb..275aba8e0c46 100644
--- a/sound/soc/fsl/fsl_spdif.c
+++ b/sound/soc/fsl/fsl_spdif.c
@@ -44,6 +44,8 @@ static u8 srpc_dpll_locked[] = { 0x0, 0x1, 0x2, 0x3, 0x4, 0xa, 0xb };
#define DEFAULT_RXCLK_SRC 1
+#define RX_SAMPLE_RATE_KCONTROL "RX Sample Rate"
+
/**
* struct fsl_spdif_soc_data: soc specific data
*
@@ -98,6 +100,8 @@ struct spdif_mixer_control {
* @soc: SPDIF soc data
* @fsl_spdif_control: SPDIF control data
* @cpu_dai_drv: cpu dai driver
+ * @snd_card: sound card pointer
+ * @rxrate_kcontrol: kcontrol for RX Sample Rate
* @pdev: platform device pointer
* @regmap: regmap handler
* @dpll_locked: dpll lock flag
@@ -122,6 +126,8 @@ struct fsl_spdif_priv {
const struct fsl_spdif_soc_data *soc;
struct spdif_mixer_control fsl_spdif_control;
struct snd_soc_dai_driver cpu_dai_drv;
+ struct snd_card *snd_card;
+ struct snd_kcontrol *rxrate_kcontrol;
struct platform_device *pdev;
struct regmap *regmap;
bool dpll_locked;
@@ -226,6 +232,12 @@ static void spdif_irq_dpll_lock(struct fsl_spdif_priv *spdif_priv)
locked ? "locked" : "loss lock");
spdif_priv->dpll_locked = locked ? true : false;
+
+ if (spdif_priv->snd_card && spdif_priv->rxrate_kcontrol) {
+ snd_ctl_notify(spdif_priv->snd_card,
+ SNDRV_CTL_EVENT_MASK_VALUE,
+ &spdif_priv->rxrate_kcontrol->id);
+ }
}
/* Receiver found illegal symbol interrupt handler */
@@ -1197,7 +1209,7 @@ static struct snd_kcontrol_new fsl_spdif_ctrls[] = {
/* DPLL lock info get controller */
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
- .name = "RX Sample Rate",
+ .name = RX_SAMPLE_RATE_KCONTROL,
.access = SNDRV_CTL_ELEM_ACCESS_READ |
SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = fsl_spdif_rxrate_info,
@@ -1251,6 +1263,13 @@ static int fsl_spdif_dai_probe(struct snd_soc_dai *dai)
snd_soc_add_dai_controls(dai, fsl_spdif_ctrls_rcm,
ARRAY_SIZE(fsl_spdif_ctrls_rcm));
+ spdif_private->snd_card = dai->component->card->snd_card;
+ spdif_private->rxrate_kcontrol = snd_soc_card_get_kcontrol(dai->component->card,
+ RX_SAMPLE_RATE_KCONTROL);
+ if (!spdif_private->rxrate_kcontrol)
+ dev_err(&spdif_private->pdev->dev, "failed to get %s kcontrol\n",
+ RX_SAMPLE_RATE_KCONTROL);
+
/*Clear the val bit for Tx*/
regmap_update_bits(spdif_private->regmap, REG_SPDIF_SCR,
SCR_VAL_MASK, SCR_VAL_CLEAR);