From b465564318562c50a89ab7250a60afc1e1985a71 Mon Sep 17 00:00:00 2001 From: Jyri Sarha Date: Thu, 31 Mar 2016 16:35:59 +0300 Subject: [PATCH] UPSTREAM: ALSA: pcm: Allow 32 bit sample format in IEC958 channel status helper Treat 32 bit sample width as if it was 24 bits when generating IEC958 channel status bits. On some platforms 24 sample width is problematic and to get full 24 bit precision a 32 bit format, using only the 24 most significant bits, may have to be used. Signed-off-by: Jyri Sarha Reviewed-by: Takashi Iwai Signed-off-by: Mark Brown (cherry picked from commit 4a462ce084d5beb92cfc68f53f88c035c82e6b59) Change-Id: I26461c0d8b92bfc6547f81006dacb7a7b3068782 Signed-off-by: Chris Zhong --- sound/core/pcm_iec958.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/core/pcm_iec958.c b/sound/core/pcm_iec958.c index e016871a978f..5e6aed64f451 100644 --- a/sound/core/pcm_iec958.c +++ b/sound/core/pcm_iec958.c @@ -59,6 +59,7 @@ static int create_iec958_consumer(uint rate, uint sample_width, IEC958_AES4_CON_MAX_WORDLEN_24; break; case 24: + case 32: /* Assume 24-bit width for 32-bit samples. */ ws = IEC958_AES4_CON_WORDLEN_24_20 | IEC958_AES4_CON_MAX_WORDLEN_24; break; -- 2.34.1