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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2021-05-27 11:41:36 +0900
committerMark Brown <broonie@kernel.org>2021-05-27 11:15:31 +0100
commit1f9c82b5ab83ff24f5c2b62bf9a912e4aef8905e (patch)
treedd457236376b58e3caf43186657d8cc8916f9818 /sound/soc/sh/rcar/dvc.c
parent1788a1520185e69f62e56dd23b33a0992e8187aa (diff)
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ASoC: rsnd: add debugfs support
Current rsnd supports #define DEBUG, but it is not helpful if issue happen after 4-5 hours. This patch adds debugfs support for it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Message-Id: <87y2c0lwyn.wl-kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sh/rcar/dvc.c')
-rw-r--r--sound/soc/sh/rcar/dvc.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c
index 8d91c0eb0880..1943ac1ff803 100644
--- a/sound/soc/sh/rcar/dvc.c
+++ b/sound/soc/sh/rcar/dvc.c
@@ -285,6 +285,19 @@ static struct dma_chan *rsnd_dvc_dma_req(struct rsnd_dai_stream *io,
mod, "tx");
}
+#ifdef CONFIG_DEBUG_FS
+static void rsnd_dvc_debug_info(struct seq_file *m,
+ struct rsnd_dai_stream *io,
+ struct rsnd_mod *mod)
+{
+ rsnd_debugfs_mod_reg_show(m, mod, RSND_GEN2_SCU,
+ 0xe00 + rsnd_mod_id(mod) * 0x100, 0x60);
+}
+#define DEBUG_INFO .debug_info = rsnd_dvc_debug_info
+#else
+#define DEBUG_INFO
+#endif
+
static struct rsnd_mod_ops rsnd_dvc_ops = {
.name = DVC_NAME,
.dma_req = rsnd_dvc_dma_req,
@@ -293,6 +306,7 @@ static struct rsnd_mod_ops rsnd_dvc_ops = {
.quit = rsnd_dvc_quit,
.pcm_new = rsnd_dvc_pcm_new,
.get_status = rsnd_mod_get_status,
+ DEBUG_INFO
};
struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id)