ALSA: usb-audio: Add mixer workaround for TRX40 and co
commit 2a48218f8e
upstream.
Some recent boards (supposedly with a new AMD platform) contain the
USB audio class 2 device that is often tied with HD-audio. The device
exposes an Input Gain Pad control (id=19, control=12) but this node
doesn't behave correctly, returning an error for each inquiry of
GET_MIN and GET_MAX that should have been mandatory.
As a workaround, simply ignore this node by adding a usbmix_name_map
table entry. The currently known devices are:
* 0414:a002 - Gigabyte TRX40 Aorus Pro WiFi
* 0b05:1916 - ASUS ROG Zenith II
* 0b05:1917 - ASUS ROG Strix
* 0db0:0d64 - MSI TRX40 Creator
* 0db0:543d - MSI TRX40
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=206543
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200408140449.22319-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
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@ -349,6 +349,14 @@ static const struct usbmix_name_map dell_alc4020_map[] = {
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{ 0 }
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};
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/* Some mobos shipped with a dummy HD-audio show the invalid GET_MIN/GET_MAX
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* response for Input Gain Pad (id=19, control=12). Skip it.
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*/
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static const struct usbmix_name_map asus_rog_map[] = {
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{ 19, NULL, 12 }, /* FU, Input Gain Pad */
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{}
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};
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/*
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* Control map entries
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*/
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@ -468,6 +476,26 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
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.id = USB_ID(0x05a7, 0x1020),
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.map = bose_companion5_map,
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},
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{ /* Gigabyte TRX40 Aorus Pro WiFi */
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.id = USB_ID(0x0414, 0xa002),
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.map = asus_rog_map,
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},
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{ /* ASUS ROG Zenith II */
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.id = USB_ID(0x0b05, 0x1916),
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.map = asus_rog_map,
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},
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{ /* ASUS ROG Strix */
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.id = USB_ID(0x0b05, 0x1917),
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.map = asus_rog_map,
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},
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{ /* MSI TRX40 Creator */
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.id = USB_ID(0x0db0, 0x0d64),
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.map = asus_rog_map,
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},
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{ /* MSI TRX40 */
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.id = USB_ID(0x0db0, 0x543d),
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.map = asus_rog_map,
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},
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{ 0 } /* terminator */
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};
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