From dfd6ba6813dd0fdea54de58e7b80ca304ce3fca5 Mon Sep 17 00:00:00 2001 From: Cezary Rojewski Date: Fri, 17 Nov 2023 13:06:08 +0100 Subject: ALSA: hda: Drop snd_hdac_calc_stream_format() There are no users of the function. Acked-by: Mark Brown Signed-off-by: Cezary Rojewski Acked-by: Jaroslav Kysela Link: https://lore.kernel.org/r/20231117120610.1755254-15-cezary.rojewski@intel.com Signed-off-by: Takashi Iwai --- sound/hda/hdac_device.c | 61 ------------------------------------------------- 1 file changed, 61 deletions(-) (limited to 'sound/hda') 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; -- cgit v1.2.3