From f0045eb373c5376510d111c5e1091134c186884e Mon Sep 17 00:00:00 2001
From: Iru Cai <mytbk920423@gmail.com>
Date: Sat, 29 Jun 2019 14:06:30 +0800
Subject: autoport: search for the HDA device on PCH

Haswell has its Mini-HD device and is at card0, so we need to search
for the PCH HD Audio device instead of using card0.

Change-Id: I2bc420fdbe9731ae835f63add85db79f04201da4
Signed-off-by: Iru Cai <mytbk920423@gmail.com>
---
 util/autoport/log_maker.go  | 74 +++++++++++++++++++++++++++++----------------
 util/autoport/log_reader.go | 15 ++++++++-
 2 files changed, 62 insertions(+), 27 deletions(-)

diff --git a/util/autoport/log_maker.go b/util/autoport/log_maker.go
index 08b35d2195..2a524d387a 100644
--- a/util/autoport/log_maker.go
+++ b/util/autoport/log_maker.go
@@ -9,6 +9,7 @@ import (
 	"os"
 	"os/exec"
 	"strings"
+	"bytes"
 )
 
 func TryRunAndSave(output string, name string, arg []string) error {
@@ -74,30 +75,8 @@ func PromptUser(prompt string, opts []string) (match string, err error) {
 	return
 }
 
-func MakeLogs(outDir string) {
-	os.MkdirAll(outDir, 0700)
-	RunAndSave(outDir+"/lspci.log", "lspci", "-nnvvvxxxx")
-	RunAndSave(outDir+"/dmidecode.log", "dmidecode")
-	RunAndSave(outDir+"/acpidump.log", "acpidump")
-
-	inteltoolArgs := "-a"
-	opt, err := PromptUser("WARNING: The following tool MAY cause your system to hang when it attempts "+
-		"to probe for graphics registers.  Having the graphics registers will help create a better port. "+
-		"Should autoport probe these registers?",
-		[]string{"y", "yes", "n", "no"})
-
-	// Continue even if there is an error
-
-	switch opt {
-	case "y", "yes":
-		inteltoolArgs += "f"
-	}
-
-	RunAndSave(outDir+"/inteltool.log", "../inteltool/inteltool", inteltoolArgs)
-	RunAndSave(outDir+"/ectool.log", "../ectool/ectool", "-pd")
-	RunAndSave(outDir+"/superiotool.log", "../superiotool/superiotool", "-ade")
-
-	SysDir := "/sys/class/sound/card0/"
+func MakeHDALogs(outDir string, cardName string) {
+	SysDir := "/sys/class/sound/" + cardName + "/"
 	files, _ := ioutil.ReadDir(SysDir)
 	for _, f := range files {
 		if (strings.HasPrefix(f.Name(), "hw") || strings.HasPrefix(f.Name(), "hdaudio")) && f.IsDir() {
@@ -115,7 +94,7 @@ func MakeLogs(outDir string) {
 		}
 	}
 
-	ProcDir := "/proc/asound/card0/"
+	ProcDir := "/proc/asound/" + cardName + "/"
 	files, _ = ioutil.ReadDir(ProcDir)
 	for _, f := range files {
 		if strings.HasPrefix(f.Name(), "codec#") && !f.IsDir() {
@@ -132,6 +111,49 @@ func MakeLogs(outDir string) {
 			io.Copy(out, in)
 		}
 	}
+}
+
+func MakeLogs(outDir string) {
+	os.MkdirAll(outDir, 0700)
+	RunAndSave(outDir+"/lspci.log", "lspci", "-nnvvvxxxx")
+	RunAndSave(outDir+"/dmidecode.log", "dmidecode")
+	RunAndSave(outDir+"/acpidump.log", "acpidump")
+
+	inteltoolArgs := "-a"
+	opt, err := PromptUser("WARNING: The following tool MAY cause your system to hang when it attempts "+
+		"to probe for graphics registers.  Having the graphics registers will help create a better port. "+
+		"Should autoport probe these registers?",
+		[]string{"y", "yes", "n", "no"})
+
+	// Continue even if there is an error
+
+	switch opt {
+	case "y", "yes":
+		inteltoolArgs += "f"
+	}
+
+	RunAndSave(outDir+"/inteltool.log", "../inteltool/inteltool", inteltoolArgs)
+	RunAndSave(outDir+"/ectool.log", "../ectool/ectool", "-pd")
+	RunAndSave(outDir+"/superiotool.log", "../superiotool/superiotool", "-ade")
+
+	SysSound := "/sys/class/sound/"
+	card := ""
+	cards, _ := ioutil.ReadDir(SysSound)
+	for _, f := range cards {
+		if strings.HasPrefix(f.Name(), "card") {
+			cid, err := ioutil.ReadFile(SysSound + f.Name() + "/id")
+			if err == nil && bytes.Equal(cid, []byte("PCH\n")) {
+				fmt.Fprintln(os.Stderr, "PCH sound card is", f.Name())
+				card = f.Name()
+			}
+		}
+	}
+
+	if card != "" {
+		MakeHDALogs(outDir, card)
+	} else {
+		fmt.Fprintln(os.Stderr, "HDAudio not found on PCH.")
+	}
 
 	for _, fname := range []string{"cpuinfo", "ioports"} {
 		in, err := os.Open("/proc/" + fname)
@@ -154,7 +176,7 @@ func MakeLogs(outDir string) {
 	defer out.Close()
 
 	ClassInputDir := "/sys/class/input/"
-	files, _ = ioutil.ReadDir(ClassInputDir)
+	files, _ := ioutil.ReadDir(ClassInputDir)
 	for _, f := range files {
 		if strings.HasPrefix(f.Name(), "input") && !f.Mode().IsRegular() { /* Allow both dirs and symlinks.  */
 			in, err := os.Open(ClassInputDir + f.Name() + "/id/bustype")
diff --git a/util/autoport/log_reader.go b/util/autoport/log_reader.go
index 0aaf6a9db3..b144804c28 100644
--- a/util/autoport/log_reader.go
+++ b/util/autoport/log_reader.go
@@ -251,6 +251,18 @@ func (l *LogDevReader) GetDMI() (ret DMIData) {
 }
 
 func (l *LogDevReader) GetAzaliaCodecs() (ret []AzaliaCodec) {
+	cardno := -1
+	for i := 0; i < 10; i++ {
+		pin, err := os.Open(l.InputDirectory + "/pin_hwC" + strconv.Itoa(i) + "D0")
+		if err == nil {
+			pin.Close()
+			cardno = i
+			break
+		}
+	}
+	if cardno == -1 {
+		return
+	}
 	for codecno := 0; codecno < 10; codecno++ {
 		cur := AzaliaCodec{CodecNo: codecno, PinConfig: map[int]uint32{}}
 		codec, err := os.Open(l.InputDirectory + "/codec#" + strconv.Itoa(codecno))
@@ -258,7 +270,8 @@ func (l *LogDevReader) GetAzaliaCodecs() (ret []AzaliaCodec) {
 			continue
 		}
 		defer codec.Close()
-		pin, err := os.Open(l.InputDirectory + "/pin_hwC0D" + strconv.Itoa(codecno))
+		pin, err := os.Open(l.InputDirectory + "/pin_hwC" + strconv.Itoa(cardno) +
+			"D" + strconv.Itoa(codecno))
 		if err != nil {
 			continue
 		}
-- 
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