[alsa-devel] [PATCH] ASoC: OMAP: HDMI: Initialize IEC-60958 channel status word

[Ricardo Neri]

As the IEC-60958 channel status word is set by ANDing and ORing with
the appropriate definitions, the word bytes need to be initialized
to zero to avoid corruption due to previous hw_params calls.

Signed-off-by: Ricardo Neri <ricardo.neri at ti.com>
---
 sound/soc/omap/omap-hdmi.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/sound/soc/omap/omap-hdmi.c b/sound/soc/omap/omap-hdmi.c
index a08245d..24b40bd 100644
--- a/sound/soc/omap/omap-hdmi.c
+++ b/sound/soc/omap/omap-hdmi.c
@@ -108,6 +108,8 @@ static int omap_hdmi_dai_hw_params(struct snd_pcm_substream *substream,
 	/*
 	 * fill the IEC-60958 channel status word
 	 */
+	/* initialize the word bytes */
+	memset(iec->status, 0, sizeof(iec->status));
 
 	/* specify IEC-60958-3 (commercial use) */
 	iec->status[0] &= ~IEC958_AES0_PROFESSIONAL;
-- 
1.7.5.4