Re: PATCH Gamecom 780 volume level (resubmit) kernel 3.15
From: Takashi Iwai
Date: Mon Aug 04 2014 - 05:17:53 EST
At Sun, 03 Aug 2014 17:47:36 -0500,
paul wrote:
>
> Original patch fixed the original problem, but the sound was far too low
> for most users. This patch references a compare matrix to allow the
> volume levels to act normally. I personally tested this patch myself,
> and volume levels returned to normal. Please see this discussion for
> more details: https://bugzilla.kernel.org/show_bug.cgi?id=65251
>
> Patch notes: Fixed low volume levels of the Gamecom 780 starting with
> the 3.14 kernel.
>
> Patch----------------------------------------------------------------------------
>
> --- linux-3.15/sound/usb/quirks.c.orig 2014-06-08 13:19:54.000000000 -0500
> +++ linux-3.15/sound/usb/quirks.c 2014-08-03 14:42:03.000000000 -0500
> @@ -670,7 +670,7 @@ static int snd_usb_gamecon780_boot_quirk
> /* set the initial volume and don't change; other values are either
> * too loud or silent due to firmware bug (bko#65251)
> */
> - u8 buf[2] = { 0x74, 0xdc };
> + u8 buf[2] = { 0x74, 0xe3 };
> return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
> USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
> UAC_FU_VOLUME << 8, 9 << 8, buf, 2);
>
>
>
> Signed-off-by: Paul S McSpadden <fisch602@xxxxxxxxx>
I applied the patch after manual adjustment now. But, at the next
time, please submit the patch directly applicable. See
Documentation/SubmittingPatches for details.
thanks,
Takashi
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