Hi On Mon, Nov 28, 2016 at 10:55 AM, Jussi Laako <jussi@xxxxxxxxxxxxx> wrote: > Hi, > >> Can you please sent it inline? Not having access at the hardware now >> but Antonio should have it > > > Sure! I have tested this with my hiFace... > > > - Jussi > > > From f4eec5602d86b5f938abed48a5725f59141d32cd Mon Sep 17 00:00:00 2001 > From: Jussi Laako <jussi@xxxxxxxxxxxxx> > Date: Mon, 28 Nov 2016 01:11:46 +0200 > Subject: [PATCH] Fix M2Tech hiFace driver sampling rate change > > Sampling rate changes after first set one are not reflected to the > hardware, while driver and ALSA think the rate has been changed. > > Fix the problem by properly stopping the interface at the beginning of > prepare call, allowing new rate to be set to the hardware. This keeps > the hardware in sync with the driver. > > Signed-off-by: Jussi Laako <jussi@xxxxxxxxxxxxx> > --- > sound/usb/hiface/pcm.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/sound/usb/hiface/pcm.c b/sound/usb/hiface/pcm.c > index 2c44139..33db205 100644 > --- a/sound/usb/hiface/pcm.c > +++ b/sound/usb/hiface/pcm.c > @@ -445,6 +445,8 @@ static int hiface_pcm_prepare(struct snd_pcm_substream > *alsa_sub) > > mutex_lock(&rt->stream_mutex); > > + hiface_pcm_stream_stop(rt); > + Ok, I was expecting stream already paused on STOP or SUSPEND call. I have the impression that they enqueue 0 urb still and they don't really stop it. Michael > sub->dma_off = 0; > sub->period_off = 0; > > -- > 2.7.4 -- | Michael Nazzareno Trimarchi Amarula Solutions BV | | COO - Founder Cruquiuskade 47 | | +31(0)851119172 Amsterdam 1018 AM NL | | [`as] http://www.amarulasolutions.com | _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
