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>
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@ -151,7 +151,7 @@ struct hdmi_spec {
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*/
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int dev_num;
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struct snd_array pins; /* struct hdmi_spec_per_pin */
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struct hdmi_pcm pcm_rec[16];
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struct hdmi_pcm pcm_rec[8];
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struct mutex pcm_lock;
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struct mutex bind_lock; /* for audio component binding */
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/* pcm_bitmap means which pcms have been assigned to pins*/
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@ -2299,8 +2299,8 @@ static int generic_hdmi_build_pcms(struct hda_codec *codec)
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pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
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pstr->substreams = 1;
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pstr->ops = generic_ops;
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/* pcm number is less than 16 */
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if (spec->pcm_used >= 16)
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/* pcm number is less than pcm_rec array size */
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if (spec->pcm_used >= ARRAY_SIZE(spec->pcm_rec))
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break;
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/* other pstr fields are set in open */
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}
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