+#ifdef CONFIG_PROC_FS
+/*
+ * hook for proc
+ */
+static void print_realtek_coef(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid)
+{
+ int coeff;
+
+ if (nid != 0x20)
+ return;
+ coeff = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PROC_COEF, 0);
+ snd_iprintf(buffer, " Processing Coefficient: 0x%02x\n", coeff);
+ coeff = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_COEF_INDEX, 0);
+ snd_iprintf(buffer, " Coefficient Index: 0x%02x\n", coeff);
+}
+#else
+#define print_realtek_coef NULL
+#endif
+