From: Joris van Rantwijk Date: Mon, 16 Feb 2009 21:58:23 +0000 (+0100) Subject: ALSA: usb-audio - Workaround for misdetected sample rate with CM6207 X-Git-Tag: v4.13~24618^2^2 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=3b03cc5b86e2052295b9b484f37226ee15c87924;p=mirror_ubuntu-bionic-kernel.git ALSA: usb-audio - Workaround for misdetected sample rate with CM6207 The CM6207 incorrectly advertises its 96 kHz playback setting as 48 kHz in its USB device descriptor. This patch extends an existing workaround in usbaudio.c to also cover the CM6207. This resolves issue 0004249 in the ALSA bug tracker. Signed-off-by: Joris van Rantwijk Cc: Signed-off-by: Takashi Iwai --- diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index 80863093d2c8..19e37451c216 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -2539,7 +2539,8 @@ static int parse_audio_format_rates(struct snd_usb_audio *chip, struct audioform continue; /* C-Media CM6501 mislabels its 96 kHz altsetting */ if (rate == 48000 && nr_rates == 1 && - chip->usb_id == USB_ID(0x0d8c, 0x0201) && + (chip->usb_id == USB_ID(0x0d8c, 0x0201) || + chip->usb_id == USB_ID(0x0d8c, 0x0102)) && fp->altsetting == 5 && fp->maxpacksize == 392) rate = 96000; fp->rate_table[fp->nr_rates] = rate;