ALSA: usb-audio: Make mic volume workarounds globally applicable

It seems that many webcams have buggy firmware and don't expose the
mic capture volume with the proper resolution.  We have workarounds in
mixer.c, but judging from the numbers, those can be better managed as
global quirk flags.

Link: https://patch.msgid.link/20241105120220.5740-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 341b32f5ddd0c14bd9d5cd10ddf192ee859cb355..66976be06bc0886833947b77b12d1f7c13fc8f83 100644 (file)
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1084,6 +1084,21 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
                                  struct snd_kcontrol *kctl)
 {
        struct snd_usb_audio *chip = cval->head.mixer->chip;
+
+       if (chip->quirk_flags & QUIRK_FLAG_MIC_RES_384) {
+               if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
+                       usb_audio_info(chip,
+                               "set resolution quirk: cval->res = 384\n");
+                       cval->res = 384;
+               }
+       } else if (chip->quirk_flags & QUIRK_FLAG_MIC_RES_16) {
+               if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
+                       usb_audio_info(chip,
+                               "set resolution quirk: cval->res = 16\n");
+                       cval->res = 16;
+               }
+       }
+
        switch (chip->usb_id) {
        case USB_ID(0x0763, 0x2030): /* M-Audio Fast Track C400 */
        case USB_ID(0x0763, 0x2031): /* M-Audio Fast Track C600 */
@@ -1168,27 +1183,6 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
                }
                break;
 
-       case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */
-       case USB_ID(0x046d, 0x0808):
-       case USB_ID(0x046d, 0x0809):
-       case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */
-       case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */
-       case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */
-       case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */
-       case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */
-       case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */
-       case USB_ID(0x046d, 0x0991):
-       case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */
-       /* Most audio usb devices lie about volume resolution.
-        * Most Logitech webcams have res = 384.
-        * Probably there is some logitech magic behind this number --fishor
-        */
-               if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
-                       usb_audio_info(chip,
-                               "set resolution quirk: cval->res = 384\n");
-                       cval->res = 384;
-               }
-               break;
        case USB_ID(0x0495, 0x3042): /* ESS Technology Asus USB DAC */
                if ((strstr(kctl->id.name, "Playback Volume") != NULL) ||
                        strstr(kctl->id.name, "Capture Volume") != NULL) {
@@ -1197,28 +1191,6 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
                        cval->res = 1;
                }
                break;
-       case USB_ID(0x1224, 0x2a25): /* Jieli Technology USB PHY 2.0 */
-               if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
-                       usb_audio_info(chip,
-                               "set resolution quirk: cval->res = 16\n");
-                       cval->res = 16;
-               }
-               break;
-       case USB_ID(0x1bcf, 0x2283): /* NexiGo N930AF FHD Webcam */
-       case USB_ID(0x03f0, 0x654a): /* HP 320 FHD Webcam */
-               if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
-                       usb_audio_info(chip,
-                               "set resolution quirk: cval->res = 16\n");
-                       cval->res = 16;
-               }
-               break;
-       case USB_ID(0x1bcf, 0x2281): /* HD Webcam */
-               if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
-                       usb_audio_info(chip,
-                               "set resolution quirk: cval->res = 16\n");
-                       cval->res = 16;
-               }
-               break;
        }
 }
 

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index c5fd180357d1e8cc4560bf03ae1ab3c12e6ee9d1..cbfbb064a9c23ea96078eb028822bbf7f51cda2d 100644 (file)
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -2115,7 +2115,7 @@ struct usb_audio_quirk_flags_table {
 static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
        /* Device matches */
        DEVICE_FLG(0x03f0, 0x654a, /* HP 320 FHD Webcam */
-                  QUIRK_FLAG_GET_SAMPLE_RATE),
+                  QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_MIC_RES_16),
        DEVICE_FLG(0x041e, 0x3000, /* Creative SB Extigy */
                   QUIRK_FLAG_IGNORE_CTL_ERROR),
        DEVICE_FLG(0x041e, 0x4080, /* Creative Live Cam VF0610 */
@@ -2123,10 +2123,31 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
        DEVICE_FLG(0x045e, 0x083c, /* MS USB Link headset */
                   QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY |
                   QUIRK_FLAG_DISABLE_AUTOSUSPEND),
+       DEVICE_FLG(0x046d, 0x0807, /* Logitech Webcam C500 */
+                  QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384),
+       DEVICE_FLG(0x046d, 0x0808, /* Logitech Webcam C600 */
+                  QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384),
+       DEVICE_FLG(0x046d, 0x0809,
+                  QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384),
+       DEVICE_FLG(0x046d, 0x0819, /* Logitech Webcam C210 */
+                  QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384),
+       DEVICE_FLG(0x046d, 0x081b, /* HD Webcam c310 */
+                  QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384),
+       DEVICE_FLG(0x046d, 0x081d, /* HD Webcam c510 */
+                  QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384),
+       DEVICE_FLG(0x046d, 0x0825, /* HD Webcam c270 */
+                  QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384),
+       DEVICE_FLG(0x046d, 0x0826, /* HD Webcam c525 */
+                  QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384),
        DEVICE_FLG(0x046d, 0x084c, /* Logitech ConferenceCam Connect */
                   QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY_1M),
+       DEVICE_FLG(0x046d, 0x08ca, /* Logitech Quickcam Fusion */
+                  QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384),
        DEVICE_FLG(0x046d, 0x0991, /* Logitech QuickCam Pro */
-                  QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_IGNORE_CTL_ERROR),
+                  QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_IGNORE_CTL_ERROR |
+                  QUIRK_FLAG_MIC_RES_384),
+       DEVICE_FLG(0x046d, 0x09a2, /* QuickCam Communicate Deluxe/S7500 */
+                  QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384),
        DEVICE_FLG(0x046d, 0x09a4, /* Logitech QuickCam E 3500 */
                   QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_IGNORE_CTL_ERROR),
        DEVICE_FLG(0x0499, 0x1509, /* Steinberg UR22 */
@@ -2194,7 +2215,7 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
        DEVICE_FLG(0x0fd9, 0x0008, /* Hauppauge HVR-950Q */
                   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
        DEVICE_FLG(0x1224, 0x2a25, /* Jieli Technology USB PHY 2.0 */
-                  QUIRK_FLAG_GET_SAMPLE_RATE),
+                  QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_MIC_RES_16),
        DEVICE_FLG(0x1395, 0x740a, /* Sennheiser DECT */
                   QUIRK_FLAG_GET_SAMPLE_RATE),
        DEVICE_FLG(0x1397, 0x0507, /* Behringer UMC202HD */
@@ -2232,9 +2253,9 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
        DEVICE_FLG(0x19f7, 0x0035, /* RODE NT-USB+ */
                   QUIRK_FLAG_GET_SAMPLE_RATE),
        DEVICE_FLG(0x1bcf, 0x2281, /* HD Webcam */
-                  QUIRK_FLAG_GET_SAMPLE_RATE),
+                  QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_MIC_RES_16),
        DEVICE_FLG(0x1bcf, 0x2283, /* NexiGo N930AF FHD Webcam */
-                  QUIRK_FLAG_GET_SAMPLE_RATE),
+                  QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_MIC_RES_16),
        DEVICE_FLG(0x2040, 0x7200, /* Hauppauge HVR-950Q */
                   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
        DEVICE_FLG(0x2040, 0x7201, /* Hauppauge HVR-950Q-MXL */

diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index b0f042c996087ed39c8bf70d1ea976a04676bec5..158ec053dc44ddcd2d81c077c30a254dd4d1b625 100644 (file)
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -194,6 +194,8 @@ extern bool snd_usb_skip_validation;
  * QUIRK_FLAG_FIXED_RATE
  *  Do not set PCM rate (frequency) when only one rate is available
  *  for the given endpoint.
+ * QUIRK_FLAG_MIC_RES_16 and QUIRK_FLAG_MIC_RES_384
+ *  Set the fixed resolution for Mic Capture Volume (mostly for webcams)
  */
 
 #define QUIRK_FLAG_GET_SAMPLE_RATE     (1U << 0)
@@ -218,5 +220,7 @@ extern bool snd_usb_skip_validation;
 #define QUIRK_FLAG_IFACE_SKIP_CLOSE    (1U << 19)
 #define QUIRK_FLAG_FORCE_IFACE_RESET   (1U << 20)
 #define QUIRK_FLAG_FIXED_RATE          (1U << 21)
+#define QUIRK_FLAG_MIC_RES_16          (1U << 22)
+#define QUIRK_FLAG_MIC_RES_384         (1U << 23)
 
 #endif /* __USBAUDIO_H */