Messages in this thread |  | | | Subject | FW: [PATCH] atmel ac97c: using software reset instead hardware reset if not available | | Date | Mon, 19 Dec 2011 10:49:00 +0800 | | From | "Shen, Voice" <> |
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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
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