ALSA: usb-audio: Rename ALSA kcontrol PCM and PCM1 for the KTMicro sound card

commit 93adf20ff4d6e865e0b974110d3cf2f07c057177 upstream.

PCM1 not in Pulseaudio's control list; standardize control to
"Speaker" and "Headphone".

Signed-off-by: wangdicheng <wangdicheng@kylinos.cn>
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20250613063636.239683-1-wangdich9700@163.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index a973e02babf50d742f76595bfaf97cb9b015b26c..08082fdf821878069725c6b9cfa321ff16b5504b 100644 (file)
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -367,6 +367,13 @@ static const struct usbmix_name_map corsair_virtuoso_map[] = {
        { 0 }
 };
 
+/* KTMicro USB */
+static struct usbmix_name_map s31b2_0022_map[] = {
+       { 23, "Speaker Playback" },
+       { 18, "Headphone Playback" },
+       { 0 }
+};
+
 /* ASUS ROG Zenith II with Realtek ALC1220-VB */
 static const struct usbmix_name_map asus_zenith_ii_map[] = {
        { 19, NULL, 12 }, /* FU, Input Gain Pad - broken response, disabled */
@@ -649,6 +656,11 @@ static const struct usbmix_ctl_map usbmix_ctl_maps[] = {
                .id = USB_ID(0x1395, 0x0025),
                .map = sennheiser_pc8_map,
        },
+       {
+               /* KTMicro USB */
+               .id = USB_ID(0X31b2, 0x0022),
+               .map = s31b2_0022_map,
+       },
        { 0 } /* terminator */
 };