From: Matus Gajdos <matuszpd@gmail.com>
To: Shengjiu Wang <shengjiu.wang@gmail.com>,
Xiubo Li <Xiubo.Lee@gmail.com>,
Fabio Estevam <festevam@gmail.com>,
Nicolin Chen <nicoleotsuka@gmail.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>,
Takashi Iwai <tiwai@suse.com>
Cc: Matus Gajdos <matuszpd@gmail.com>,
alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] ASoC: fsl_spdif: Add support for 22.05 kHz sample rate
Date: Wed, 19 Jul 2023 18:31:53 +0200 [thread overview]
Message-ID: <20230719163154.19492-1-matuszpd@gmail.com> (raw)
Add support for 22.05 kHz sample rate for TX.
Signed-off-by: Matus Gajdos <matuszpd@gmail.com>
---
sound/soc/fsl/fsl_spdif.c | 8 ++++++--
sound/soc/fsl/fsl_spdif.h | 6 ++++--
2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index 015c3708aa04..95e639711eba 100644
--- a/sound/soc/fsl/fsl_spdif.c
+++ b/sound/soc/fsl/fsl_spdif.c
@@ -514,6 +514,10 @@ static int spdif_set_sample_rate(struct snd_pcm_substream *substream,
int ret;
switch (sample_rate) {
+ case 22050:
+ rate = SPDIF_TXRATE_22050;
+ csfs = IEC958_AES3_CON_FS_22050;
+ break;
case 32000:
rate = SPDIF_TXRATE_32000;
csfs = IEC958_AES3_CON_FS_32000;
@@ -1422,7 +1426,7 @@ static u32 fsl_spdif_txclk_caldiv(struct fsl_spdif_priv *spdif_priv,
struct clk *clk, u64 savesub,
enum spdif_txrate index, bool round)
{
- static const u32 rate[] = { 32000, 44100, 48000, 88200, 96000, 176400,
+ static const u32 rate[] = { 22050, 32000, 44100, 48000, 88200, 96000, 176400,
192000, };
bool is_sysclk = clk_is_match(clk, spdif_priv->sysclk);
u64 rate_ideal, rate_actual, sub;
@@ -1483,7 +1487,7 @@ static u32 fsl_spdif_txclk_caldiv(struct fsl_spdif_priv *spdif_priv,
static int fsl_spdif_probe_txclk(struct fsl_spdif_priv *spdif_priv,
enum spdif_txrate index)
{
- static const u32 rate[] = { 32000, 44100, 48000, 88200, 96000, 176400,
+ static const u32 rate[] = { 22050, 32000, 44100, 48000, 88200, 96000, 176400,
192000, };
struct platform_device *pdev = spdif_priv->pdev;
struct device *dev = &pdev->dev;
diff --git a/sound/soc/fsl/fsl_spdif.h b/sound/soc/fsl/fsl_spdif.h
index 75b42a692c90..2bc1b10c17d4 100644
--- a/sound/soc/fsl/fsl_spdif.h
+++ b/sound/soc/fsl/fsl_spdif.h
@@ -175,7 +175,8 @@ enum spdif_gainsel {
/* SPDIF tx rate */
enum spdif_txrate {
- SPDIF_TXRATE_32000 = 0,
+ SPDIF_TXRATE_22050 = 0,
+ SPDIF_TXRATE_32000,
SPDIF_TXRATE_44100,
SPDIF_TXRATE_48000,
SPDIF_TXRATE_88200,
@@ -191,7 +192,8 @@ enum spdif_txrate {
#define SPDIF_QSUB_SIZE (SPDIF_UBITS_SIZE / 8)
-#define FSL_SPDIF_RATES_PLAYBACK (SNDRV_PCM_RATE_32000 | \
+#define FSL_SPDIF_RATES_PLAYBACK (SNDRV_PCM_RATE_22050 | \
+ SNDRV_PCM_RATE_32000 | \
SNDRV_PCM_RATE_44100 | \
SNDRV_PCM_RATE_48000 | \
SNDRV_PCM_RATE_88200 | \
--
2.25.1
next reply other threads:[~2023-07-19 21:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-19 16:31 Matus Gajdos [this message]
2023-07-19 16:48 ` [PATCH] ASoC: fsl_spdif: Add support for 22.05 kHz sample rate Fabio Estevam
2023-07-19 20:01 ` Mark Brown
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