linux-kernel - Re: [PATCH] ALSA: usb-audio: uac1: Invalidate ctl on interrupt

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Message-ID: <s5hy3n5yxr9.wl-tiwai@suse.de>
Date:   Fri, 17 Nov 2017 12:01:46 +0100
From:   Takashi Iwai <tiwai@...e.de>
To:     "Julian Scheel" <julian@...st.de>
Cc:     <alsa-devel@...a-project.org>,
        "Stephen Barber" <smbarber@...omium.org>,
        "Bhumika Goyal" <bhumirks@...il.com>,
        "Con Kolivas" <con@...ivas.org>,
        "Jaroslav Kysela" <perex@...ex.cz>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ALSA: usb-audio: uac1: Invalidate ctl on interrupt

On Thu, 16 Nov 2017 17:35:17 +0100,
Julian Scheel wrote:
> 
> When an interrupt occurs, the value of at least one of the belonging
> controls should have changed. To make sure they get re-read from device
> on the next read, invalidate the cache. This was correctly implemented
> for uac2 already, but missing for uac1.
> 
> Signed-off-by: Julian Scheel <julian@...st.de>

Applied, thanks.


Takashi