From: Takashi Iwai tiwai@suse.de
commit 7dc3c5a0172e6c0449502103356c3628d05bc0e0 upstream.
Some funky firmwares set the connector flag even on PCM terminals although it doesn't make sense (and even actually the firmware doesn't react properly!). Let's skip creation of jack controls in such a case.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=206873 Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20200412081331.4742-4-tiwai@suse.de Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- sound/usb/mixer.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index ad18265..fc086b6 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -2107,7 +2107,8 @@ static int parse_audio_input_terminal(struct mixer_build *state, int unitid, check_input_term(state, term_id, &iterm);
/* Check for jack detection. */ - if (uac_v2v3_control_is_readable(bmctls, control)) + if ((iterm.type & 0xff00) != 0x0100 && + uac_v2v3_control_is_readable(bmctls, control)) build_connector_control(state->mixer, &iterm, true);
return 0; @@ -3147,7 +3148,8 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) if (err < 0 && err != -EINVAL) return err;
- if (uac_v2v3_control_is_readable(le16_to_cpu(desc->bmControls), + if ((state.oterm.type & 0xff00) != 0x0100 && + uac_v2v3_control_is_readable(le16_to_cpu(desc->bmControls), UAC2_TE_CONNECTOR)) { build_connector_control(state.mixer, &state.oterm, false); @@ -3172,7 +3174,8 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) if (err < 0 && err != -EINVAL) return err;
- if (uac_v2v3_control_is_readable(le32_to_cpu(desc->bmControls), + if ((state.oterm.type & 0xff00) != 0x0100 && + uac_v2v3_control_is_readable(le32_to_cpu(desc->bmControls), UAC3_TE_INSERTION)) { build_connector_control(state.mixer, &state.oterm, false);