I previously had a small python script doing the same thing, but it depended on hda-analyzer, which always breaks when something new is added to the codec proc file.
I got tired and rewrote it as a small C program instead, which I hope will be a useful addition to alsa-tools.
Signed-off-by: David Henningsson david.henningsson@canonical.com --- Makefile | 2 +- hdajacksensetest/Makefile.am | 12 +++ hdajacksensetest/configure.ac | 10 +++ hdajacksensetest/gitcompile | 13 ++++ hdajacksensetest/hdajacksensetest.c | 145 ++++++++++++++++++++++++++++++++++++ 5 files changed, 181 insertions(+), 1 deletion(-) create mode 100644 hdajacksensetest/Makefile.am create mode 100644 hdajacksensetest/configure.ac create mode 100755 hdajacksensetest/gitcompile create mode 100644 hdajacksensetest/hdajacksensetest.c
diff --git a/Makefile b/Makefile index b2da046..72f95e2 100644 --- a/Makefile +++ b/Makefile @@ -3,7 +3,7 @@ TOP = . SUBDIRS = as10k1 envy24control hdsploader hdspconf hdspmixer \ mixartloader pcxhrloader rmedigicontrol sb16_csp seq sscape_ctl \ us428control usx2yloader vxloader echomixer ld10k1 qlo10k1 \ - hwmixvolume hdajackretask hda-verb + hwmixvolume hdajackretask hda-verb hdajacksensetest
all: @for i in $(SUBDIRS); do \ diff --git a/hdajacksensetest/Makefile.am b/hdajacksensetest/Makefile.am new file mode 100644 index 0000000..795373c --- /dev/null +++ b/hdajacksensetest/Makefile.am @@ -0,0 +1,12 @@ +MYNAME = hdajacksensetest +AUTOMAKE_OPTIONS = foreign +bin_PROGRAMS = hdajacksensetest +AM_CFLAGS = @GLIB_CFLAGS@ -I "../hdajackretask/" -I "../hda-verb/" +hdajacksensetest_SOURCES = hdajacksensetest.c ../hdajackretask/sysfs-pin-configs.c +hdajacksensetest_LDADD = @GLIB_LIBS@ + +alsa-dist: distdir + @rm -rf ../distdir/$(MYNAME) + @mkdir -p ../distdir/$(MYNAME) + @cp -RLpv $(distdir)/* ../distdir/$(MYNAME) + @rm -rf $(distdir) diff --git a/hdajacksensetest/configure.ac b/hdajacksensetest/configure.ac new file mode 100644 index 0000000..cc1eb84 --- /dev/null +++ b/hdajacksensetest/configure.ac @@ -0,0 +1,10 @@ +AC_INIT(hda-verb, 0.4) +AM_INIT_AUTOMAKE(subdir-objects) +AM_MAINTAINER_MODE([enable]) +AC_PROG_CC +AC_PROG_INSTALL +AC_HEADER_STDC + +PKG_CHECK_MODULES([GLIB], [glib-2.0]) + +AC_OUTPUT(Makefile) diff --git a/hdajacksensetest/gitcompile b/hdajacksensetest/gitcompile new file mode 100755 index 0000000..58328bd --- /dev/null +++ b/hdajacksensetest/gitcompile @@ -0,0 +1,13 @@ +#!/bin/bash + +aclocal $ACLOCAL_FLAGS || exit 1 +automake --foreign --add-missing || exit 1 +autoconf || exit 1 +export CFLAGS='-O2 -Wall -pipe -g' +echo "CFLAGS=$CFLAGS" +echo "./configure $@" +./configure $@ || exit 1 +unset CFLAGS +if [ -z "$GITCOMPILE_NO_MAKE" ]; then + make || exit 1 +fi diff --git a/hdajacksensetest/hdajacksensetest.c b/hdajacksensetest/hdajacksensetest.c new file mode 100644 index 0000000..0db1d54 --- /dev/null +++ b/hdajacksensetest/hdajacksensetest.c @@ -0,0 +1,145 @@ +/* + * Checks the current pin/jack status of the codec + * + * Copyright (c) 2014 David Henningsson, Canonical Ltd. david.henningsson@canonical.com + * (With some minor pieces copy-pasted from hda-verb by Takashi Iwai) + * + * Licensed under GPL v2 or later. + */ + + +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <unistd.h> +#include <glib.h> +#include <errno.h> +#include "sysfs-pin-configs.h" + +#include <sys/ioctl.h> +#include <stdint.h> +typedef uint8_t u8; +typedef uint16_t u16; +typedef uint32_t u32; +typedef uint64_t u64; +#include "hda_hwdep.h" + +gint card_index, codec_index; +gboolean try_all_pins, set_pin_sense; + +static GOptionEntry arg_entries[] = +{ + { "card", 'c', 0, G_OPTION_ARG_INT, &card_index, "card index (as can be seen in /proc/asound/cards)", "X" }, + { "codec", 'd', 0, G_OPTION_ARG_INT, &codec_index, "codec device index (as can be seen in /proc/asound/cardX/codecY)", "Y" }, + { "allpins", 'a', 0, G_OPTION_ARG_NONE, &try_all_pins, "try all pins, even those who (probably) does not have a physical jack", NULL }, + { "setpinsense", 's', 0, G_OPTION_ARG_NONE, &set_pin_sense, "execute 'Set pin sense' before the pin sense is measured", NULL }, + { NULL } +}; + +static void parse_command_line(int argc, char **argv) +{ + GError *error = NULL; + GOptionContext *context = g_option_context_new("- check current jack/pin sense"); + g_option_context_add_main_entries(context, arg_entries, NULL); + if (!g_option_context_parse (context, &argc, &argv, &error)) { + fprintf(stderr, "Option parsing failed: %s\n", error->message); + exit(1); + } +} + + +static gboolean should_check_pin(pin_configs_t *pin) +{ + unsigned long defcfg = actual_pin_config(pin); + if (try_all_pins) + return TRUE; + if (get_port_conn(defcfg) != 0) + return FALSE; // Not a jack + if (defcfg & (1 << 8)) // Jack has NO_PRESENCE set + return FALSE; + return TRUE; +} + +int fd; + +static void codec_open() +{ + char filename[64]; + int version = 0; + + snprintf(filename, 64, "/dev/snd/hwC%dD%d", card_index, codec_index); + fd = open(filename, O_RDWR); + if (fd < 0) { + if (errno == EACCES) + fprintf(stderr, "Permission error (hint: this program usually requires root)\n"); + else + fprintf(stderr, "Ioctl call failed with error %d\n", errno); + exit(1); + } + + if (ioctl(fd, HDA_IOCTL_PVERSION, &version) < 0) { + fprintf(stderr, "Ioctl call failed with error %d\n", errno); + fprintf(stderr, "Looks like an invalid hwdep device...\n"); + close(fd); + exit(1); + } + if (version < HDA_HWDEP_VERSION) { + fprintf(stderr, "Invalid version number 0x%x\n", version); + fprintf(stderr, "Looks like an invalid hwdep device...\n"); + close(fd); + exit(1); + } +} + +static unsigned long codec_rw(int nid, int verb, int param) +{ + struct hda_verb_ioctl val; + + val.verb = HDA_VERB(nid, verb, param); + if (ioctl(fd, HDA_IOCTL_VERB_WRITE, &val) < 0) { + fprintf(stderr, "Ioctl call failed with error %d\n", errno); + close(fd); + exit(1); + } + return val.res; +} + +#define AC_VERB_GET_PIN_SENSE 0x0f09 +#define AC_VERB_SET_PIN_SENSE 0x709 + +#define MAX_PINS 32 + +pin_configs_t pin_configs[MAX_PINS]; + +int main(int argc, char **argv) +{ + int pin_count, i; + + parse_command_line(argc, argv); + pin_count = get_pin_configs_list(pin_configs, MAX_PINS, card_index, codec_index); + if (pin_count == 0) { + fprintf(stderr, "No pins found for card %d codec %d, did you pick the right one?\n", card_index, codec_index); + exit(1); + } + + codec_open(); + + if (set_pin_sense) { + for (i = 0; i < pin_count; i++) + if (should_check_pin(&pin_configs[i])) { + codec_rw(pin_configs[i].nid, AC_VERB_SET_PIN_SENSE, 0); + } + sleep(1); + } + + for (i = 0; i < pin_count; i++) + if (should_check_pin(&pin_configs[i])) { + gchar *desc = get_config_description(actual_pin_config(&pin_configs[i])); + unsigned long present = codec_rw(pin_configs[i].nid, AC_VERB_GET_PIN_SENSE, 0); + printf("Pin 0x%.2x (%s): present = %s\n", pin_configs[i].nid, desc, present & 0x80000000 ? "Yes" : "No"); + g_free(desc); + } + + close(fd); + return 0; +}