[PATCH v5 14/16] ALSA: hda: Drop snd_hdac_calc_stream_format()

Cezary Rojewski
2023-11-17T12:04:39Z

There are no users of the function.

Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
---
include/sound/hdaudio.h | 5 ----
sound/hda/hdac_device.c | 61 -----------------------------------------
2 files changed, 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;
--
2.25.1