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ALSA: hda/hdmi: Limit the maximal count of PCM devices to 8 

The current hardware has up to 4 converters. Save little space.
The limit 8 is enough even for a more improved hardware.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20220923082236.61024-1-perex@perex.cz
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Jaroslav Kysela 2022-09-23 10:22:36 +02:00 committed by Takashi Iwai
parent ef6f5494fa
commit b23975e60a
1 changed files with 3 additions and 3 deletions
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6
sound/pci/hda/patch_hdmi.c
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@ -151,7 +151,7 @@ struct hdmi_spec {
*/ */
int dev_num; int dev_num;
struct snd_array pins; /* struct hdmi_spec_per_pin */ struct snd_array pins; /* struct hdmi_spec_per_pin */
struct hdmi_pcm pcm_rec[16]; struct hdmi_pcm pcm_rec[8];
struct mutex pcm_lock; struct mutex pcm_lock;
struct mutex bind_lock; /* for audio component binding */ struct mutex bind_lock; /* for audio component binding */
/* pcm_bitmap means which pcms have been assigned to pins*/ /* pcm_bitmap means which pcms have been assigned to pins*/
@ -2299,8 +2299,8 @@ static int generic_hdmi_build_pcms(struct hda_codec *codec)
pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK]; pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
pstr->substreams = 1; pstr->substreams = 1;
pstr->ops = generic_ops; pstr->ops = generic_ops;
/* pcm number is less than 16 */ /* pcm number is less than pcm_rec array size */
if (spec->pcm_used >= 16) if (spec->pcm_used >= ARRAY_SIZE(spec->pcm_rec))
break; break;
/* other pstr fields are set in open */ /* other pstr fields are set in open */
} }