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* [PATCH] ASoC: OMAP: HDMI: Initialize IEC-60958 channel status word
@ 2012-06-04 19:07 Ricardo Neri
  2012-06-04 19:07 ` Ricardo Neri
  2012-06-05 10:28 ` Mark Brown
  0 siblings, 2 replies; 6+ messages in thread
From: Ricardo Neri @ 2012-06-04 19:07 UTC (permalink / raw)
  To: broonie, lrg; +Cc: peter.ujfalusi, Ricardo Neri, alsa-devel, s-guiriec

Hi Mark, Liam,

This patch is to fix an bug that I found in K3.5-rc1. As the IEC-60958 channel
status word is not initialized in hw_params, the params from previous
calls corrupt those of the current playback.

BR

Ricardo

Ricardo Neri (1):
  ASoC: OMAP: HDMI: Initialize IEC-60958 channel status word

 sound/soc/omap/omap-hdmi.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

-- 
1.7.5.4

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [PATCH] ASoC: OMAP: HDMI: Initialize IEC-60958 channel status word
  2012-06-04 19:07 [PATCH] ASoC: OMAP: HDMI: Initialize IEC-60958 channel status word Ricardo Neri
@ 2012-06-04 19:07 ` Ricardo Neri
  2012-06-11  4:41   ` Mark Brown
  2012-06-05 10:28 ` Mark Brown
  1 sibling, 1 reply; 6+ messages in thread
From: Ricardo Neri @ 2012-06-04 19:07 UTC (permalink / raw)
  To: broonie, lrg; +Cc: peter.ujfalusi, Ricardo Neri, alsa-devel, s-guiriec

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@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

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH] ASoC: OMAP: HDMI: Initialize IEC-60958 channel status word
  2012-06-04 19:07 [PATCH] ASoC: OMAP: HDMI: Initialize IEC-60958 channel status word Ricardo Neri
  2012-06-04 19:07 ` Ricardo Neri
@ 2012-06-05 10:28 ` Mark Brown
  2012-06-05 15:25   ` Ricardo Neri
  1 sibling, 1 reply; 6+ messages in thread
From: Mark Brown @ 2012-06-05 10:28 UTC (permalink / raw)
  To: Ricardo Neri; +Cc: peter.ujfalusi, alsa-devel, lrg, s-guiriec


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On Mon, Jun 04, 2012 at 02:07:15PM -0500, Ricardo Neri wrote:
> Hi Mark, Liam,
> 
> This patch is to fix an bug that I found in K3.5-rc1. As the IEC-60958 channel
> status word is not initialized in hw_params, the params from previous
> calls corrupt those of the current playback.

Don't send cover letters for single patches, if there's anything useful
to say say it in the patch.

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^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] ASoC: OMAP: HDMI: Initialize IEC-60958 channel status word
  2012-06-05 10:28 ` Mark Brown
@ 2012-06-05 15:25   ` Ricardo Neri
  2012-06-05 15:27     ` Mark Brown
  0 siblings, 1 reply; 6+ messages in thread
From: Ricardo Neri @ 2012-06-05 15:25 UTC (permalink / raw)
  To: Mark Brown; +Cc: peter.ujfalusi, alsa-devel, lrg, s-guiriec

Hi Mark,
On 06/05/2012 05:28 AM, Mark Brown wrote:
> On Mon, Jun 04, 2012 at 02:07:15PM -0500, Ricardo Neri wrote:
>> Hi Mark, Liam,
>>
>> This patch is to fix an bug that I found in K3.5-rc1. As the IEC-60958 channel
>> status word is not initialized in hw_params, the params from previous
>> calls corrupt those of the current playback.
>
> Don't send cover letters for single patches, if there's anything useful
> to say say it in the patch.

Sorry, I will resend as a single patch without the cover letter.

Ricardo

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] ASoC: OMAP: HDMI: Initialize IEC-60958 channel status word
  2012-06-05 15:25   ` Ricardo Neri
@ 2012-06-05 15:27     ` Mark Brown
  0 siblings, 0 replies; 6+ messages in thread
From: Mark Brown @ 2012-06-05 15:27 UTC (permalink / raw)
  To: Ricardo Neri; +Cc: peter.ujfalusi, alsa-devel, lrg, s-guiriec


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On Tue, Jun 05, 2012 at 10:25:31AM -0500, Ricardo Neri wrote:

> Sorry, I will resend as a single patch without the cover letter.

No need, but please don't do this for future things.

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^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] ASoC: OMAP: HDMI: Initialize IEC-60958 channel status word
  2012-06-04 19:07 ` Ricardo Neri
@ 2012-06-11  4:41   ` Mark Brown
  0 siblings, 0 replies; 6+ messages in thread
From: Mark Brown @ 2012-06-11  4:41 UTC (permalink / raw)
  To: Ricardo Neri; +Cc: peter.ujfalusi, alsa-devel, lrg, s-guiriec


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On Mon, Jun 04, 2012 at 02:07:16PM -0500, Ricardo Neri wrote:
> 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.

Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

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^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2012-06-11  4:41 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2012-06-04 19:07 [PATCH] ASoC: OMAP: HDMI: Initialize IEC-60958 channel status word Ricardo Neri
2012-06-04 19:07 ` Ricardo Neri
2012-06-11  4:41   ` Mark Brown
2012-06-05 10:28 ` Mark Brown
2012-06-05 15:25   ` Ricardo Neri
2012-06-05 15:27     ` Mark Brown

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