diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2021-05-27 11:41:36 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-05-27 11:15:31 +0100 |
| commit | 1f9c82b5ab83ff24f5c2b62bf9a912e4aef8905e (patch) | |
| tree | dd457236376b58e3caf43186657d8cc8916f9818 /sound/soc/sh/rcar/ssi.c | |
| parent | 1788a1520185e69f62e56dd23b33a0992e8187aa (diff) | |
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/ssi.c')
| -rw-r--r-- | sound/soc/sh/rcar/ssi.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index ac920800af37..551c78f47da9 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -1118,6 +1118,34 @@ static struct dma_chan *rsnd_ssi_dma_req(struct rsnd_dai_stream *io, mod, name); } +#ifdef CONFIG_DEBUG_FS +static void rsnd_ssi_debug_info(struct seq_file *m, + struct rsnd_dai_stream *io, + struct rsnd_mod *mod) +{ + struct rsnd_dai *rdai = rsnd_io_to_rdai(io); + struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); + + seq_printf(m, "clock: %s\n", rsnd_rdai_is_clk_master(rdai) ? + "provider" : "consumer"); + seq_printf(m, "bit_clk_inv: %d\n", rdai->bit_clk_inv); + seq_printf(m, "frm_clk_inv: %d\n", rdai->frm_clk_inv); + seq_printf(m, "pin share: %d\n", __rsnd_ssi_is_pin_sharing(mod)); + seq_printf(m, "can out clk: %d\n", rsnd_ssi_can_output_clk(mod)); + seq_printf(m, "multi secondary: %d\n", rsnd_ssi_is_multi_secondary(mod, io)); + seq_printf(m, "tdm: %d, %d\n", rsnd_runtime_is_tdm(io), + rsnd_runtime_is_tdm_split(io)); + seq_printf(m, "chan: %d\n", ssi->chan); + seq_printf(m, "user: %d\n", ssi->usrcnt); + + rsnd_debugfs_mod_reg_show(m, mod, RSND_GEN2_SSI, + rsnd_mod_id(mod) * 0x40, 0x40); +} +#define DEBUG_INFO .debug_info = rsnd_ssi_debug_info +#else +#define DEBUG_INFO +#endif + static struct rsnd_mod_ops rsnd_ssi_dma_ops = { .name = SSI_NAME, .dma_req = rsnd_ssi_dma_req, @@ -1132,6 +1160,7 @@ static struct rsnd_mod_ops rsnd_ssi_dma_ops = { .fallback = rsnd_ssi_fallback, .hw_params = rsnd_ssi_hw_params, .get_status = rsnd_ssi_get_status, + DEBUG_INFO }; int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod) |