From: Arseniy Lartsev Date: Tue, 2 Mar 2010 11:52:28 +0000 (+0300) Subject: ALSA: usbaudio: Fix wrong bitrate for Creative Creative VF0470 Live Cam X-Git-Tag: v2.6.34-rc1~3^2^2~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=864c11080cf365720103042444534a1e94d42bac;p=platform%2Fkernel%2Flinux-3.10.git ALSA: usbaudio: Fix wrong bitrate for Creative Creative VF0470 Live Cam This patch works around misbehaviour of Creative Creative VF0470 Live Cam which reports 16 kHz sample rate for audio capture while actually producing 8 kHz stream. Signed-off-by: Arseniy Lartsev Signed-off-by: Takashi Iwai --- diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index 20b656e..ea3eaa5 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -2581,6 +2581,9 @@ static int parse_audio_format_rates_v1(struct snd_usb_audio *chip, struct audiof chip->usb_id == USB_ID(0x0d8c, 0x0102)) && fp->altsetting == 5 && fp->maxpacksize == 392) rate = 96000; + /* Creative VF0470 Live Cam reports 16 kHz instead of 8kHz */ + if (rate == 16000 && chip->usb_id == USB_ID(0x041e, 0x4068)) + rate = 8000; fp->rate_table[fp->nr_rates] = rate; if (!fp->rate_min || rate < fp->rate_min) fp->rate_min = rate;