diff options
Diffstat (limited to 'sound/usb/usbmixer.c')
| -rw-r--r-- | sound/usb/usbmixer.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index 539b427d08c6..df8969188d15 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -423,7 +423,7 @@ static int set_ctl_value(struct usb_mixer_elem_info *cval, int request, int vali value_set = convert_bytes_value(cval, value_set); buf[0] = value_set & 0xff; buf[1] = (value_set >> 8) & 0xff; - while (timeout -- > 0) + while (timeout-- > 0) if (snd_usb_ctl_msg(cval->mixer->chip->dev, usb_sndctrlpipe(cval->mixer->chip->dev, 0), request, @@ -999,20 +999,35 @@ static void build_feature_ctl(struct mixer_build *state, unsigned char *desc, break; } - /* quirk for UDA1321/N101 */ - /* note that detection between firmware 2.1.1.7 (N101) and later 2.1.1.21 */ - /* is not very clear from datasheets */ - /* I hope that the min value is -15360 for newer firmware --jk */ + /* volume control quirks */ switch (state->chip->usb_id) { case USB_ID(0x0471, 0x0101): case USB_ID(0x0471, 0x0104): case USB_ID(0x0471, 0x0105): case USB_ID(0x0672, 0x1041): + /* quirk for UDA1321/N101. + * note that detection between firmware 2.1.1.7 (N101) + * and later 2.1.1.21 is not very clear from datasheets. + * I hope that the min value is -15360 for newer firmware --jk + */ if (!strcmp(kctl->id.name, "PCM Playback Volume") && cval->min == -15616) { - snd_printk(KERN_INFO "using volume control quirk for the UDA1321/N101 chip\n"); + snd_printk(KERN_INFO + "set volume quirk for UDA1321/N101 chip\n"); cval->max = -256; } + break; + + case USB_ID(0x046d, 0x09a4): + if (!strcmp(kctl->id.name, "Mic Capture Volume")) { + snd_printk(KERN_INFO + "set volume quirk for QuickCam E3500\n"); + cval->min = 6080; + cval->max = 8768; + cval->res = 192; + } + break; + } snd_printdd(KERN_INFO "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", |