diff options
Diffstat (limited to 'sound/soc/intel/skylake/skl-debug.c')
-rw-r--r-- | sound/soc/intel/skylake/skl-debug.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-debug.c b/sound/soc/intel/skylake/skl-debug.c new file mode 100644 index 000000000000..6bc4565773c5 --- /dev/null +++ b/sound/soc/intel/skylake/skl-debug.c @@ -0,0 +1,55 @@ +/* + * skl-debug.c - Debugfs for skl driver + * + * Copyright (C) 2016-17 Intel Corp + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +#include <linux/pci.h> +#include <linux/debugfs.h> +#include "skl.h" + +struct skl_debug { + struct skl *skl; + struct device *dev; + + struct dentry *fs; +}; + +struct skl_debug *skl_debugfs_init(struct skl *skl) +{ + struct skl_debug *d; + + d = devm_kzalloc(&skl->pci->dev, sizeof(*d), GFP_KERNEL); + if (!d) + return NULL; + + /* create the debugfs dir with platform component's debugfs as parent */ + d->fs = debugfs_create_dir("dsp", + skl->platform->component.debugfs_root); + if (IS_ERR(d->fs) || !d->fs) { + dev_err(&skl->pci->dev, "debugfs root creation failed\n"); + return NULL; + } + + d->skl = skl; + d->dev = &skl->pci->dev; + + return d; +} + +void skl_debugfs_exit(struct skl_debug *d) +{ + debugfs_remove_recursive(d->fs); + + kfree(d); + +} |