Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / pci / hda / local.h

diff --git a/kernel/sound/pci/hda/local.h b/kernel/sound/pci/hda/local.h
new file mode 100644 (file)
index 0000000..28cb7f9
--- /dev/null
+++ b/kernel/sound/pci/hda/local.h
@@ -0,0 +1,39 @@
+/*
+ */
+
+#ifndef __HDAC_LOCAL_H
+#define __HDAC_LOCAL_H
+
+int hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm);
+
+#define get_wcaps(codec, nid) \
+       hdac_read_parm(codec, nid, AC_PAR_AUDIO_WIDGET_CAP)
+/* get the widget type from widget capability bits */
+static inline int get_wcaps_type(unsigned int wcaps)
+{
+       if (!wcaps)
+               return -1; /* invalid type */
+       return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
+}
+
+#define get_pin_caps(codec, nid) \
+       hdac_read_parm(codec, nid, AC_PAR_PIN_CAP)
+
+static inline
+unsigned int get_pin_cfg(struct hdac_device *codec, hda_nid_t nid)
+{
+       unsigned int val;
+
+       if (snd_hdac_read(codec, nid, AC_VERB_GET_CONFIG_DEFAULT, 0, &val))
+               return -1;
+       return val;
+}
+
+#define get_amp_caps(codec, nid, dir) \
+       hdac_read_parm(codec, nid, (dir) == HDA_OUTPUT ? \
+                      AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP)
+
+#define get_power_caps(codec, nid) \
+       hdac_read_parm(codec, nid, AC_PAR_POWER_STATE)
+
+#endif /* __HDAC_LOCAL_H */