diff options
Diffstat (limited to 'sound/soc/sh/rcar/ssi.c')
| -rw-r--r-- | sound/soc/sh/rcar/ssi.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index 97a9db892a8f..333b802681ad 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -11,6 +11,15 @@ * 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 <sound/simple_card_utils.h> #include <linux/delay.h> #include "rsnd.h" @@ -603,6 +612,7 @@ static void __rsnd_ssi_interrupt(struct rsnd_mod *mod, struct rsnd_dai_stream *io) { struct rsnd_priv *priv = rsnd_mod_to_priv(mod); + struct device *dev = rsnd_priv_to_dev(priv); int is_dma = rsnd_ssi_is_dma_mode(mod); u32 status; bool elapsed = false; @@ -621,8 +631,12 @@ static void __rsnd_ssi_interrupt(struct rsnd_mod *mod, elapsed = rsnd_ssi_pio_interrupt(mod, io); /* DMA only */ - if (is_dma && (status & (UIRQ | OIRQ))) + if (is_dma && (status & (UIRQ | OIRQ))) { + rsnd_dbg_irq_status(dev, "%s[%d] err status : 0x%08x\n", + rsnd_mod_name(mod), rsnd_mod_id(mod), status); + stop = true; + } rsnd_ssi_status_clear(mod); rsnd_ssi_interrupt_out: |