From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alexandrov Stanislav <neko@nya.ai>
Subject: [PATCH] ASoC: intel: rt5640: add support for sound
 card found on HP Pavilion x2 10-p000
Date: Tue, 03 Jan 2017 23:40:04 +0300
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To: Alsa Devel <alsa-devel@alsa-project.org>
Cc: Vinod Koul <vinod.koul@intel.com>, Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
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Add support for rt5640 sound card found on HP Pavilion x2 10-p000 
tablet.

Inside DSDT table there is record for this soundcard:

             Device (RTKC)
             {
                 Name (_ADR, Zero)  // _ADR: Address
                 Name (_HID, "10EC3276")  // _HID: Hardware ID
                 Name (_CID, "10EC3276")  // _CID: Compatible ID
                 Name (_DDN, "ALC3276")  // _DDN: DOS Device Name
                 Name (_SUB, "103C827C")  // _SUB: Subsystem ID
                 Name (_PR0, Package (0x01)  // _PR0: Power Resources for 
D0

original bugreport: https://bugzilla.kernel.org/show_bug.cgi?id=187621

---

diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c
index e29a6de..c5234b9 100644
--- a/sound/soc/codecs/rt5640.c
+++ b/sound/soc/codecs/rt5640.c
@@ -2315,6 +2315,7 @@ static const struct acpi_device_id 
rt5640_acpi_match[] = {
         { "INT33CA", 0 },
         { "10EC5640", 0 },
         { "10EC5642", 0 },
+       { "10EC3276", 0 },
         { "INTCCFFD", 0 },
         { },
  };
diff --git a/sound/soc/intel/atom/sst/sst_acpi.c 
b/sound/soc/intel/atom/sst/sst_acpi.c
index f4d92bb..896ced2 100644
--- a/sound/soc/intel/atom/sst/sst_acpi.c
+++ b/sound/soc/intel/atom/sst/sst_acpi.c
@@ -463,6 +463,8 @@ static struct sst_acpi_mach sst_acpi_chv[] = {
         /* some CHT-T platforms rely on RT5640, use Baytrail machine 
driver */
         {"10EC5640", "bytcr_rt5640", "intel/fw_sst_22a8.bin", 
"bytcr_rt5640", cht_quirk,
                                                 &chv_platform_data },
+       {"10EC3276", "bytcr_rt5640", "intel/fw_sst_22a8.bin", 
"bytcr_rt5640", NULL,
+                                               &chv_platform_data },

         {},
  };