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authorPavel Hofman <dustin@seznam.cz>2008-02-11 14:48:06 +0100
committerTakashi Iwai <tiwai@suse.de>2008-04-24 12:00:09 +0200
commitfdafad6fc24a11070bcd0885100be7143cc038f8 (patch)
treea3b7d4bc601a9d84ca3e75205d2fd3a0ab63253c /sound/i2c
parentaa27a44395c3d35bc16e52f1e709e0fb2a3709e4 (diff)
downloadlinux-linaro-stable-fdafad6fc24a11070bcd0885100be7143cc038f8.tar.gz
[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>
Diffstat (limited to 'sound/i2c')
-rw-r--r--sound/i2c/other/ak4114.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c
index 15061bd72776..9a90e830c423 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 struct snd_kcontrol_new snd_ak4114_iec958_controls[] = {
}
};
+
+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 @@ int snd_ak4114_build(struct ak4114 *ak4114,
return err;
ak4114->kctls[idx] = kctl;
}
+ snd_ak4114_proc_init(ak4114);
/* trigger workq */
schedule_delayed_work(&ak4114->work, HZ / 10);
return 0;