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* [PATCH] atmel ac97c: using software reset instead hardware reset if not available
@ 2011-11-23 10:05 ` voice
  0 siblings, 0 replies; 22+ messages in thread
From: voice @ 2011-11-23 10:05 UTC (permalink / raw)
  To: linux-kernel, linux-sound; +Cc: Nicolas.Ferre, JM.Lin, Hong.Xu, voice

Using software reset instead hardware reset if not available

Signed-off-by: Bo Shen <voice.shen@atmel.com>
---
 sound/atmel/ac97c.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
index 6e5adde..73516f6 100644
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -899,6 +899,10 @@ static void atmel_ac97c_reset(struct atmel_ac97c *chip)
 		/* AC97 v2.2 specifications says minimum 1 us. */
 		udelay(2);
 		gpio_set_value(chip->reset_pin, 1);
+	} else {
+		ac97c_writel(chip, MR, AC97C_MR_WRST | AC97C_MR_ENA);
+		udelay(2);
+		ac97c_writel(chip, MR, AC97C_MR_ENA);
 	}
 }
 
-- 
1.6.3.3


^ permalink raw reply related	[flat|nested] 22+ messages in thread
* FW: [PATCH] atmel ac97c: using software reset instead hardware reset if not available
  2011-11-23 10:05 ` voice
  (?)
@ 2011-12-19  2:49 ` Shen, Voice
  -1 siblings, 0 replies; 22+ messages in thread
From: Shen, Voice @ 2011-12-19  2:49 UTC (permalink / raw)
  To: tiwai
  Cc: linux-kernel, linux-sound, alsa-devel, Egtvedt, Hans-Christian,
	Ferre, Nicolas, Lin, JM, Xu, Hong

Hi Sir,
  Add patch to Atmel AC97C.

  Object: using software reset instead hardware reset if not available

Best Regards,
Voice Shen
-----Original Message-----
From: Nicolas Ferre [mailto:nicolas.ferre@atmel.com] 
Sent: Thursday, November 24, 2011 18:44 voice
To: Shen, Voice
Cc: linux-kernel@vger.kernel.org; linux-sound@vger.kernel.org; Lin, JM;
Xu, Hong
Subject: Re: [PATCH] atmel ac97c: using software reset instead hardware
reset if not available

On 11/23/2011 11:05 AM, voice :
> Using software reset instead hardware reset if not available
> 
> Signed-off-by: Bo Shen <voice.shen@atmel.com>

Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

You may need to sent it to the sound subsystem mailing-list and
maintainers.

Anyway, I let you follow this patch... As it is a fixup and will benefit
to existing platforms, I think that it can make its way to mainline
during 3.2 phase.

Best regards,

> ---
>  sound/atmel/ac97c.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
> index 6e5adde..73516f6 100644
> --- a/sound/atmel/ac97c.c
> +++ b/sound/atmel/ac97c.c
> @@ -899,6 +899,10 @@ static void atmel_ac97c_reset(struct atmel_ac97c
*chip)
>  		/* AC97 v2.2 specifications says minimum 1 us. */
>  		udelay(2);
>  		gpio_set_value(chip->reset_pin, 1);
> +	} else {
> +		ac97c_writel(chip, MR, AC97C_MR_WRST | AC97C_MR_ENA);
> +		udelay(2);
> +		ac97c_writel(chip, MR, AC97C_MR_ENA);
>  	}
>  }
>  
-- 
Nicolas Ferre

^ permalink raw reply	[flat|nested] 22+ messages in thread
* [PATCH] atmel ac97c: using software reset instead hardware reset if not available
  2011-11-23 10:05 ` voice
  (?)
@ 2011-12-19  9:57 ` voice
  -1 siblings, 0 replies; 22+ messages in thread
From: voice @ 2011-12-19  9:57 UTC (permalink / raw)
  To: tiwai
  Cc: alsa-devel, jm.lin, nicolas.ferre, linux-kernel, linux-sound,
	hong.xu, voice, Hans-Christian.Egtvedt

Using software reset instead hardware reset if not available

Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
---
 sound/atmel/ac97c.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
index 6e5adde..73516f6 100644
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -899,6 +899,10 @@ static void atmel_ac97c_reset(struct atmel_ac97c *chip)
 		/* AC97 v2.2 specifications says minimum 1 us. */
 		udelay(2);
 		gpio_set_value(chip->reset_pin, 1);
+	} else {
+		ac97c_writel(chip, MR, AC97C_MR_WRST | AC97C_MR_ENA);
+		udelay(2);
+		ac97c_writel(chip, MR, AC97C_MR_ENA);
 	}
 }
 
-- 
1.6.3.3

^ permalink raw reply related	[flat|nested] 22+ messages in thread

end of thread, other threads:[~2011-12-19 10:28 UTC | newest]

Thread overview: 22+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-11-23 10:05 [PATCH] atmel ac97c: using software reset instead hardware reset if not available voice
2011-11-23 10:05 ` voice
2011-11-24 10:44 ` [PATCH] atmel ac97c: using software reset instead hardware reset Nicolas Ferre
2011-11-24 10:44   ` [PATCH] atmel ac97c: using software reset instead hardware reset if not available Nicolas Ferre
2011-12-15 13:04 ` [PATCH] atmel ac97c: using software reset instead hardware reset Nicolas Ferre
2011-12-15 13:04   ` [PATCH] atmel ac97c: using software reset instead hardware reset if not available Nicolas Ferre
2011-12-16  1:52   ` Shen, Voice
2011-12-16  1:52     ` Shen, Voice
2011-12-16  8:39     ` [PATCH] atmel ac97c: using software reset instead hardware reset Nicolas Ferre
2011-12-16  8:39       ` [PATCH] atmel ac97c: using software reset instead hardware reset if not available Nicolas Ferre
  -- strict thread matches above, loose matches on Subject: below --
2011-12-19  2:49 FW: " Shen, Voice
2011-12-19  2:49 ` Shen, Voice
2011-12-19  2:49 ` Shen, Voice
2011-12-19  9:43 ` Takashi Iwai
2011-12-19  9:43   ` Takashi Iwai
2011-12-19  9:43   ` Takashi Iwai
2011-12-19  9:57 voice
2011-12-19  9:57 ` voice
2011-12-19  9:57 ` voice
2011-12-19 10:28 ` Takashi Iwai
2011-12-19 10:28   ` Takashi Iwai
2011-12-19 10:28   ` Takashi Iwai

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