[alsa-devel] Getting pcm_usb_stream plugin to know its limits.

[Michaël Cadilhac]

michael at cadilhac.name (Michaël Cadilhac) writes:

> --- pcm_usb_stream.c	2008-11-21 18:08:16.000000000 -0500
> +++ pcm_usb_stream.c	2009-12-30 12:36:00.654452577 -0500
> @@ -258,7 +258,7 @@
>  	snd_pcm_us_t *us = io->private_data;
>  	VDBG("%u", us->uus->s->periods_done);
>  
> -	if (io->stream == SND_PCM_STREAM_PLAYBACK)
> +	if (io->stream == SND_PCM_STREAM_PLAYBACK && us->uus->s)
>  		memset(us->uus->write_area, 0, us->uus->s->write_size);
>  
>  	return 0;

Just noticed that it would be better phrased as:
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-- 
Michaël `Micha' Cadilhac (LITQ, U. de Montréal) -- http://michael.cadilhac.name
	|| Un certain Blaise Pascal
	||   etc... etc...
	|| -- Prévert (Les paris stupides)