This is a note to let you know that I've just added the patch titled ALSA: hda - Add workaround for MacBook Air 5,2 built-in mic to the 3.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: alsa-hda-add-workaround-for-macbook-air-5-2-built-in-mic.patch and it can be found in the queue-3.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 2ddee91abe9cc34ddb6294ee14702b46ae07d460 Mon Sep 17 00:00:00 2001 From: Takashi Iwai <tiwai@xxxxxxx> Date: Thu, 12 Mar 2015 20:47:15 +0100 Subject: ALSA: hda - Add workaround for MacBook Air 5,2 built-in mic From: Takashi Iwai <tiwai@xxxxxxx> commit 2ddee91abe9cc34ddb6294ee14702b46ae07d460 upstream. MacBook Air 5,2 has the same problem as MacBook Pro 8,1 where the built-in mic records only the right channel. Apply the same workaround as MBP8,1 to spread the mono channel via a Cirrus codec vendor-specific COEF setup. Reported-and-tested-by: Vasil Zlatanov <vasil.zlatanov@xxxxxxxxx> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- sound/pci/hda/patch_cirrus.c | 1 + 1 file changed, 1 insertion(+) --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -396,6 +396,7 @@ static const struct snd_pci_quirk cs420x SND_PCI_QUIRK(0x106b, 0x1c00, "MacBookPro 8,1", CS420X_MBP81), SND_PCI_QUIRK(0x106b, 0x2000, "iMac 12,2", CS420X_IMAC27_122), SND_PCI_QUIRK(0x106b, 0x2800, "MacBookPro 10,1", CS420X_MBP101), + SND_PCI_QUIRK(0x106b, 0x5600, "MacBookAir 5,2", CS420X_MBP81), SND_PCI_QUIRK(0x106b, 0x5b00, "MacBookAir 4,2", CS420X_MBA42), SND_PCI_QUIRK_VENDOR(0x106b, "Apple", CS420X_APPLE), {} /* terminator */ Patches currently in stable-queue which might be from tiwai@xxxxxxx are queue-3.14/alsa-hda-set-single_adc_amp-flag-for-cs420x-codecs.patch queue-3.14/alsa-hda-fix-regression-of-hd-audio-controller-fallback-modes.patch queue-3.14/alsa-snd-usb-add-quirks-for-roland-ua-22.patch queue-3.14/alsa-hda-add-workaround-for-macbook-air-5-2-built-in-mic.patch queue-3.14/alsa-hda-fix-built-in-mic-on-compaq-presario-cq60.patch queue-3.14/alsa-control-add-sanity-checks-for-user-ctl-id-name-string.patch queue-3.14/alsa-hda-treat-stereo-to-mono-mix-properly.patch queue-3.14/alsa-hda-don-t-access-stereo-amps-for-mono-channel-widgets.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html