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ASoC: rsnd: indicate IRQ error status for debug

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SSI/SRC have under/over flow error handling, and its status is useful
for debuging. But sometimes it might be too much message,
and it might blocks necessity other information.

To avoid such situation, basically this patch indicates interrupt
status debug message if DEBUG was defined, but it will be suppressed
if RSND_DEBUG_NO_IRQ_STATUS was defined.

Reported-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto
2018-02-13 02:08:53 +00:00
committed by Mark Brown
parent 7928b2cbe5
commit 2b62786951
3 changed files with 45 additions and 3 deletions
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22
sound/soc/sh/rcar/src.c
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@@ -8,6 +8,15 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
* you can enable below define if you don't need
* SSI interrupt status debug message when debugging
* see rsnd_dbg_irq_status()
*
* #define RSND_DEBUG_NO_IRQ_STATUS 1
*/
#include "rsnd.h"
#define SRC_NAME "src"
@@ -325,7 +334,10 @@ static void rsnd_src_status_clear(struct rsnd_mod *mod)
static bool rsnd_src_error_occurred(struct rsnd_mod *mod)
{
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct device *dev = rsnd_priv_to_dev(priv);
u32 val0, val1;
u32 status0, status1;
bool ret = false;
val0 = val1 = OUF_SRC(rsnd_mod_id(mod));
@@ -338,9 +350,15 @@ static bool rsnd_src_error_occurred(struct rsnd_mod *mod)
if (rsnd_src_sync_is_enabled(mod))
val0 = val0 & 0xffff;
if ((rsnd_mod_read(mod, SCU_SYS_STATUS0) & val0) ||
(rsnd_mod_read(mod, SCU_SYS_STATUS1) & val1))
status0 = rsnd_mod_read(mod, SCU_SYS_STATUS0);
status1 = rsnd_mod_read(mod, SCU_SYS_STATUS1);
if ((status0 & val0) || (status1 & val1)) {
rsnd_dbg_irq_status(dev, "%s[%d] err status : 0x%08x, 0x%08x\n",
rsnd_mod_name(mod), rsnd_mod_id(mod),
status0, status1);
ret = true;
}
return ret;
}