Merging upstream version 6.7.12.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 20 insertions, 9 deletions

diff --git a/sound/soc/meson/axg-tdm-interface.c b/sound/soc/meson/axg-tdm-interface.c
index 1c3d433cef..2cedbce738 100644
--- a/sound/soc/meson/axg-tdm-interface.c
+++ b/sound/soc/meson/axg-tdm-interface.c
@@ -12,6 +12,9 @@
 
 #include "axg-tdm.h"
 
+/* Maximum bit clock frequency according the datasheets */
+#define MAX_SCLK 100000000 /* Hz */
+
 enum {
 	TDM_IFACE_PAD,
 	TDM_IFACE_LOOPBACK,
@@ -153,19 +156,27 @@ static int axg_tdm_iface_startup(struct snd_pcm_substream *substream,
 		return -EINVAL;
 	}
 
-	/* Apply component wide rate symmetry */
 	if (snd_soc_component_active(dai->component)) {
+		/* Apply component wide rate symmetry */
 		ret = snd_pcm_hw_constraint_single(substream->runtime,
 						   SNDRV_PCM_HW_PARAM_RATE,
 						   iface->rate);
-		if (ret < 0) {
-			dev_err(dai->dev,
-				"can't set iface rate constraint\n");
-			return ret;
-		}
+
+	} else {
+		/* Limit rate according to the slot number and width */
+		unsigned int max_rate =
+			MAX_SCLK / (iface->slots * iface->slot_width);
+		ret = snd_pcm_hw_constraint_minmax(substream->runtime,
+						   SNDRV_PCM_HW_PARAM_RATE,
+						   0, max_rate);
 	}
 
-	return 0;
+	if (ret < 0)
+		dev_err(dai->dev, "can't set iface rate constraint\n");
+	else
+		ret = 0;
+
+	return ret;
 }
 
 static int axg_tdm_iface_set_stream(struct snd_pcm_substream *substream,
@@ -264,8 +275,8 @@ static int axg_tdm_iface_set_sclk(struct snd_soc_dai *dai,
 	srate = iface->slots * iface->slot_width * params_rate(params);
 
 	if (!iface->mclk_rate) {
-		/* If no specific mclk is requested, default to bit clock * 4 */
-		clk_set_rate(iface->mclk, 4 * srate);
+		/* If no specific mclk is requested, default to bit clock * 2 */
+		clk_set_rate(iface->mclk, 2 * srate);
 	} else {
 		/* Check if we can actually get the bit clock from mclk */
 		if (iface->mclk_rate % srate) {