This is a note to let you know that I've just added the patch titled ASoC: Intel: bytcr_rt5640: Add quirk for the Voyo Winpad A15 tablet to the 4.19-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: asoc-intel-bytcr_rt5640-add-quirk-for-the-voyo-winpa.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 546de0319475ef402f3a4ee3120a8e4131d21d2f Author: Hans de Goede <hdegoede@xxxxxxxxxx> Date: Tue Feb 16 22:35:53 2021 +0100 ASoC: Intel: bytcr_rt5640: Add quirk for the Voyo Winpad A15 tablet [ Upstream commit e1317cc9ca4ac20262895fddb065ffda4fc29cfb ] The Voyo Winpad A15 tablet uses a Bay Trail (non CR) SoC, so it is using SSP2 (AIF1) and it mostly works with the defaults. But instead of using DMIC1 it is using an analog mic on IN1, add a quirk for this. Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20210216213555.36555-3-hdegoede@xxxxxxxxxx Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c index 4dd1941d4147..910214ab140e 100644 --- a/sound/soc/intel/boards/bytcr_rt5640.c +++ b/sound/soc/intel/boards/bytcr_rt5640.c @@ -756,6 +756,20 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = { BYT_RT5640_SSP0_AIF2 | BYT_RT5640_MCLK_EN), }, + { /* Voyo Winpad A15 */ + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), + /* Above strings are too generic, also match on BIOS date */ + DMI_MATCH(DMI_BIOS_DATE, "11/20/2014"), + }, + .driver_data = (void *)(BYT_RT5640_IN1_MAP | + BYT_RT5640_JD_SRC_JD2_IN4N | + BYT_RT5640_OVCD_TH_2000UA | + BYT_RT5640_OVCD_SF_0P75 | + BYT_RT5640_DIFF_MIC | + BYT_RT5640_MCLK_EN), + }, { /* Catch-all for generic Insyde tablets, must be last */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),