Unverified Commit 65bc25b8 authored by Matus Gajdos's avatar Matus Gajdos Committed by Mark Brown
Browse files

ASoC: fsl_spdif: Add support for 22.05 kHz sample rate 



Add support for 22.05 kHz sample rate for TX.

Signed-off-by: default avatarMatus Gajdos <matuszpd@gmail.com>
Reviewed-by: default avatarFabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20230719163154.19492-1-matuszpd@gmail.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 82e7c8b9

sound/soc/fsl/fsl_spdif.c

+6 −2
Original line number Diff line number Diff line
@@ -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;

sound/soc/fsl/fsl_spdif.h

+4 −2
Original line number Diff line number Diff line
@@ -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 | \