[PATCH i-g-t 04/10] lib/igt_kmod: Use igt_kmod_unbind() to kick snd_hda_intel

[Lucas De Marchi <lucas.demarchi@intel.com>]

No need for the extra function now that the generic igt_kmod_unbind()
can be used.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
 lib/igt_kmod.c | 56 +++-----------------------------------------------------
 1 file changed, 3 insertions(+), 53 deletions(-)

diff --git a/lib/igt_kmod.c b/lib/igt_kmod.c
index a1e39a429..3f5f93f37 100644
--- a/lib/igt_kmod.c
+++ b/lib/igt_kmod.c
@@ -495,58 +495,6 @@ igt_intel_driver_load(const char *opts, const char *driver)
 	return 0;
 }
 
-/**
- * kick_snd_hda_intel:
- *
- * This function unbinds the snd_hda_intel driver so the module can be
- * unloaded.
- *
- */
-static void kick_snd_hda_intel(void)
-{
-	DIR *dir;
-	struct dirent *snd_hda;
-	int fd; size_t len;
-
-	const char *dpath = "/sys/bus/pci/drivers/snd_hda_intel";
-	const char *path = "/sys/bus/pci/drivers/snd_hda_intel/unbind";
-	const char *devid = "0000:";
-
-	fd = open(path, O_WRONLY);
-	if (fd < 0) {
-		return;
-	}
-
-	dir = opendir(dpath);
-	if (!dir)
-		goto out;
-
-	len = strlen(devid);
-	while ((snd_hda = readdir(dir))) {
-		struct stat st;
-		char fpath[PATH_MAX];
-
-		if (*snd_hda->d_name == '.')
-			continue;
-
-		snprintf(fpath, sizeof(fpath), "%s/%s", dpath, snd_hda->d_name);
-		if (lstat(fpath, &st))
-			continue;
-
-		if (!S_ISLNK(st.st_mode))
-			continue;
-
-		if (!strncmp(devid, snd_hda->d_name, len)) {
-			igt_ignore_warn(write(fd, snd_hda->d_name,
-					strlen(snd_hda->d_name)));
-		}
-	}
-
-	closedir(dir);
-out:
-	close(fd);
-}
-
 static int igt_always_unload_audio_driver(char **who)
 {
 	int ret;
@@ -579,7 +527,9 @@ static int igt_always_unload_audio_driver(char **who)
 			ret = pipewire_pulse_start_reserve();
 			if (ret)
 				igt_warn("Failed to notify pipewire_pulse\n");
-			kick_snd_hda_intel();
+
+			igt_kmod_unbind("snd_hda_intel", NULL);
+
 			ret = igt_kmod_unload(*m);
 			pipewire_pulse_stop_reserve();
 			if (ret) {

-- 
2.49.0