alsa: fall back to 32 bit samples if 16 is not supported

There are a few high-end devices (e.g. ICE1724) which cannot even play 16 bit audio. Try the 32 bit fallback, which we already implemented for 24 bit.

alsa: fall back to 32 bit samples if 16 is not supported
0f64e658 · Max Kellermann · f82793f7 · 0f64e658
Commit 0f64e658 authored Mar 03, 2009 by Max Kellermann
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alsa_plugin.c src/output/alsa_plugin.c +2 -1

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--- a/src/output/alsa_plugin.c
+++ b/src/output/alsa_plugin.c
@@ -255,7 +255,8 @@ configure_hw:
 	}
 	err = snd_pcm_hw_params_set_format(ad->pcm, hwparams, bitformat);
-	if (err == -EINVAL && audio_format->bits == 24) {
+	if (err == -EINVAL && (audio_format->bits == 24 ||
+			       audio_format->bits == 16)) {
 		/* fall back to 32 bit, let pcm_convert.c do the conversion */
 		err = snd_pcm_hw_params_set_format(ad->pcm, hwparams,
 						   SND_PCM_FORMAT_S32);