[ALSA] AK4114 - listing regs in proc
A simple patch for listing AK4114 regs in proc.
Signed-off-by: Pavel Hofman <dustin@seznam.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c
index 15061bd..9a90e83 100644
--- a/sound/i2c/other/ak4114.c
+++ b/sound/i2c/other/ak4114.c
@@ -27,6 +27,7 @@
#include <sound/pcm.h>
#include <sound/ak4114.h>
#include <sound/asoundef.h>
+#include <sound/info.h>
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_DESCRIPTION("AK4114 IEC958 (S/PDIF) receiver by Asahi Kasei");
@@ -446,6 +447,26 @@
}
};
+
+static void snd_ak4114_proc_regs_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct ak4114 *ak4114 = entry->private_data;
+ int reg, val;
+ /* all ak4114 registers 0x00 - 0x1f */
+ for (reg = 0; reg < 0x20; reg++) {
+ val = reg_read(ak4114, reg);
+ snd_iprintf(buffer, "0x%02x = 0x%02x\n", reg, val);
+ }
+}
+
+static void snd_ak4114_proc_init(struct ak4114 *ak4114)
+{
+ struct snd_info_entry *entry;
+ if (!snd_card_proc_new(ak4114->card, "ak4114", &entry))
+ snd_info_set_text_ops(entry, ak4114, snd_ak4114_proc_regs_read);
+}
+
int snd_ak4114_build(struct ak4114 *ak4114,
struct snd_pcm_substream *ply_substream,
struct snd_pcm_substream *cap_substream)
@@ -478,6 +499,7 @@
return err;
ak4114->kctls[idx] = kctl;
}
+ snd_ak4114_proc_init(ak4114);
/* trigger workq */
schedule_delayed_work(&ak4114->work, HZ / 10);
return 0;