ALSA: hda: Drop snd_hdac_calc_stream_format()

There are no users of the function.

Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Acked-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20231117120610.1755254-15-cezary.rojewski@intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

2 files changed, 0 insertions, 66 deletions

diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index b00c631c4053..62a3cd154ff2 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -145,11 +145,6 @@ unsigned int snd_hdac_stream_format_bits(snd_pcm_format_t format, snd_pcm_subfor
 unsigned int snd_hdac_stream_format(unsigned int channels, unsigned int bits, unsigned int rate);
 unsigned int snd_hdac_spdif_stream_format(unsigned int channels, unsigned int bits,
 					  unsigned int rate, unsigned short spdif_ctls);
-unsigned int snd_hdac_calc_stream_format(unsigned int rate,
-					 unsigned int channels,
-					 snd_pcm_format_t format,
-					 unsigned int maxbps,
-					 unsigned short spdif_ctls);
 int snd_hdac_query_supported_pcm(struct hdac_device *codec, hda_nid_t nid,
 				 u32 *ratesp, u64 *formatsp, u32 *subformatsp,
 				 unsigned int *bpsp);
diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c
index 556bd24f4014..7f7b67fe1b65 100644
--- a/sound/hda/hdac_device.c
+++ b/sound/hda/hdac_device.c
@@ -849,67 +849,6 @@ unsigned int snd_hdac_spdif_stream_format(unsigned int channels, unsigned int bi
 }
 EXPORT_SYMBOL_GPL(snd_hdac_spdif_stream_format);
 
-/**
- * snd_hdac_calc_stream_format - calculate the format bitset
- * @rate: the sample rate
- * @channels: the number of channels
- * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
- * @maxbps: the max. bps
- * @spdif_ctls: HD-audio SPDIF status bits (0 if irrelevant)
- *
- * Calculate the format bitset from the given rate, channels and th PCM format.
- *
- * Return zero if invalid.
- */
-unsigned int snd_hdac_calc_stream_format(unsigned int rate,
-					 unsigned int channels,
-					 snd_pcm_format_t format,
-					 unsigned int maxbps,
-					 unsigned short spdif_ctls)
-{
-	int i;
-	unsigned int val = 0;
-
-	for (i = 0; rate_bits[i].hz; i++)
-		if (rate_bits[i].hz == rate) {
-			val = rate_bits[i].hda_fmt;
-			break;
-		}
-	if (!rate_bits[i].hz)
-		return 0;
-
-	if (channels == 0 || channels > 8)
-		return 0;
-	val |= channels - 1;
-
-	switch (snd_pcm_format_width(format)) {
-	case 8:
-		val |= AC_FMT_BITS_8;
-		break;
-	case 16:
-		val |= AC_FMT_BITS_16;
-		break;
-	case 20:
-	case 24:
-	case 32:
-		if (maxbps >= 32 || format == SNDRV_PCM_FORMAT_FLOAT_LE)
-			val |= AC_FMT_BITS_32;
-		else if (maxbps >= 24)
-			val |= AC_FMT_BITS_24;
-		else
-			val |= AC_FMT_BITS_20;
-		break;
-	default:
-		return 0;
-	}
-
-	if (spdif_ctls & AC_DIG1_NONAUDIO)
-		val |= AC_FMT_TYPE_NON_PCM;
-
-	return val;
-}
-EXPORT_SYMBOL_GPL(snd_hdac_calc_stream_format);
-
 static unsigned int query_pcm_param(struct hdac_device *codec, hda_nid_t nid)
 {
 	unsigned int val = 0;