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ALSA: usb-audio: add support for samplerate setting on v2 devices

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Sample rate setting is done with a 4-byte long class request that
addresses the interface.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Daniel Mack
2010-03-04 19:46:17 +01:00
committed by Takashi Iwai
parent 29088fef3e
commit 767d75ad1c
4 changed files with 137 additions and 56 deletions
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4
sound/usb/endpoint.c
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@@ -350,8 +350,8 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
}
/* try to set the interface... */
usb_set_interface(chip->dev, iface_no, altno);
snd_usb_init_pitch(chip->dev, iface_no, alts, fp);
snd_usb_init_sample_rate(chip->dev, iface_no, alts, fp, fp->rate_max);
snd_usb_init_pitch(chip, iface_no, alts, fp);
snd_usb_init_sample_rate(chip, iface_no, alts, fp, fp->rate_max);
}
return 0;
}