ASoC: rsnd: INT_ENABLE is needed only Gen2

INT_ENABLE is needed only Gen2.
rsnd_mod_write() do nothing on Gen1, but it is confusable.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

2 files changed, 4 insertions, 3 deletions

diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index a14bc9274b3f..3774dfcfaf0f 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -40,7 +40,7 @@ enum rsnd_reg {
         RSND_REG_SSI_MODE0,
         RSND_REG_SSI_MODE1,
         RSND_REG_BUSIF_MODE,
-        RSND_REG_INT_ENABLE,
+        RSND_REG_INT_ENABLE,            /* for Gen2 */
         RSND_REG_SRC_ADINR,
 
         /* ADG */
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index aff5b76d1fd5..01b5cf945d61 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -457,8 +457,9 @@ static int rsnd_ssi_pio_start(struct rsnd_mod *mod,
         /* enable PIO IRQ */
         ssi->cr_etc = UIEN | OIEN | DIEN;
 
-        /* enable PIO interrupt */
-        rsnd_mod_write(&ssi->mod, INT_ENABLE, 0x0f000000);
+        /* enable PIO interrupt if gen2 */
+        if (rsnd_is_gen2(priv))
+                rsnd_mod_write(&ssi->mod, INT_ENABLE, 0x0f000000);
 
         rsnd_ssi_hw_start(ssi, rdai, io);