[alsa-devel] [PATCH 5/6] ASoC: fsi: stream mode become independent from platform flags

Kuninori Morimoto kuninori.morimoto.gx at renesas.com
Fri Nov 16 10:17:30 CET 2012


Current FSI driver is using platform information pointer,
but it is not good design for DT support.
This patch makes stream mode format
independent from platform information pointer.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
 sound/soc/sh/fsi.c |   16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 77747b0..22037f1 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -266,6 +266,7 @@ struct fsi_priv {
 	int clk_master:1;
 	int clk_cpg:1;
 	int spdif:1;
+	int enable_stream:1;
 
 	long rate;
 };
@@ -395,6 +396,11 @@ static int fsi_is_spdif(struct fsi_priv *fsi)
 	return fsi->spdif;
 }
 
+static int fsi_is_enable_stream(struct fsi_priv *fsi)
+{
+	return fsi->enable_stream;
+}
+
 static int fsi_is_play(struct snd_pcm_substream *substream)
 {
 	return substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
@@ -1138,10 +1144,9 @@ static int fsi_set_master_clk(struct device *dev, struct fsi_priv *fsi,
  */
 static void fsi_pio_push16(struct fsi_priv *fsi, u8 *_buf, int samples)
 {
-	u32 enable_stream = fsi_get_info_flags(fsi) & SH_FSI_ENABLE_STREAM_MODE;
 	int i;
 
-	if (enable_stream) {
+	if (fsi_is_enable_stream(fsi)) {
 		/*
 		 * stream mode
 		 * see
@@ -1299,8 +1304,6 @@ static void fsi_pio_start_stop(struct fsi_priv *fsi, struct fsi_stream *io,
 
 static int fsi_pio_push_init(struct fsi_priv *fsi, struct fsi_stream *io)
 {
-	u32 enable_stream = fsi_get_info_flags(fsi) & SH_FSI_ENABLE_STREAM_MODE;
-
 	/*
 	 * we can use 16bit stream mode
 	 * when "playback" and "16bit data"
@@ -1308,7 +1311,7 @@ static int fsi_pio_push_init(struct fsi_priv *fsi, struct fsi_stream *io)
 	 * see
 	 *	fsi_pio_push16()
 	 */
-	if (enable_stream)
+	if (fsi_is_enable_stream(fsi))
 		io->bus_option = BUSOP_SET(24, PACKAGE_24BITBUS_BACK) |
 				 BUSOP_SET(16, PACKAGE_16BITBUS_STREAM);
 	else
@@ -1988,6 +1991,9 @@ static void fsi_port_info_init(struct fsi_priv *fsi,
 
 	if (info->flags & SH_FSI_CLK_CPG)
 		fsi->clk_cpg = 1;
+
+	if (info->flags & SH_FSI_ENABLE_STREAM_MODE)
+		fsi->enable_stream = 1;
 }
 
 static void fsi_handler_init(struct fsi_priv *fsi,
-- 
1.7.9.5



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