Re: [patch][saa7134] do not change mute state for capturing audio

[Stas Sergeev]

22.07.2011 16:28, Mauro Carvalho Chehab wrote:
> In this specific case, applications like mplayer,
> using the alsa parameters for streaming will stop work, as mplayer
> won't touch at the mixer or at the V4L mute control. So,
> it will have the same practical effect of a kernel bug at the
> audio part of the driver.
Let me quote you again:
---
Some applications like mplayer don't use V4L2_CID_AUDIO_MUTE to unmute a
video device. They assume the current behavior that starting video also
unmutes audio.
---
Could you please explain how my patch breaks
"starting video also unmutes audio"? I haven't touched
anything related to "starting video", so, if starting video
used to unmute audio, it will keep it that way.
Can you tell me how exactly I can reproduce that breakage?
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