diff options
Diffstat (limited to 'sound/soc/sh/rcar/dvc.c')
-rw-r--r-- | sound/soc/sh/rcar/dvc.c | 45 |
1 files changed, 28 insertions, 17 deletions
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c index d7f9ed959c4e..e5fcb062ad77 100644 --- a/sound/soc/sh/rcar/dvc.c +++ b/sound/soc/sh/rcar/dvc.c @@ -24,6 +24,9 @@ struct rsnd_dvc { struct rsnd_kctrl_cfg_s rdown; /* Ramp Rate Down */ }; +#define rsnd_dvc_of_node(priv) \ + of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,dvc") + #define rsnd_mod_to_dvc(_mod) \ container_of((_mod), struct rsnd_dvc, mod) @@ -33,7 +36,7 @@ struct rsnd_dvc { ((pos) = (struct rsnd_dvc *)(priv)->dvc + i); \ i++) -static const char const *dvc_ramp_rate[] = { +static const char * const dvc_ramp_rate[] = { "128 dB/1 step", /* 00000 */ "64 dB/1 step", /* 00001 */ "32 dB/1 step", /* 00010 */ @@ -116,17 +119,6 @@ static void rsnd_dvc_volume_update(struct rsnd_mod *mod) rsnd_mod_write(mod, DVC_DVUER, 1); } -static int rsnd_dvc_probe_gen2(struct rsnd_mod *mod, - struct rsnd_priv *priv) -{ - struct device *dev = rsnd_priv_to_dev(priv); - - dev_dbg(dev, "%s[%d] (Gen2) is probed\n", - rsnd_mod_name(mod), rsnd_mod_id(mod)); - - return 0; -} - static int rsnd_dvc_remove_gen2(struct rsnd_mod *mod, struct rsnd_priv *priv) { @@ -269,9 +261,17 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod, return 0; } +static struct dma_chan *rsnd_dvc_dma_req(struct rsnd_mod *mod) +{ + struct rsnd_priv *priv = rsnd_mod_to_priv(mod); + + return rsnd_dma_request_channel(rsnd_dvc_of_node(priv), + mod, "tx"); +} + static struct rsnd_mod_ops rsnd_dvc_ops = { .name = DVC_NAME, - .probe = rsnd_dvc_probe_gen2, + .dma_req = rsnd_dvc_dma_req, .remove = rsnd_dvc_remove_gen2, .init = rsnd_dvc_init, .quit = rsnd_dvc_quit, @@ -333,7 +333,7 @@ int rsnd_dvc_probe(struct platform_device *pdev, struct rsnd_dvc *dvc; struct clk *clk; char name[RSND_DVC_NAME_SIZE]; - int i, nr; + int i, nr, ret; rsnd_of_parse_dvc(pdev, of_data, priv); @@ -366,11 +366,22 @@ int rsnd_dvc_probe(struct platform_device *pdev, dvc->info = &info->dvc_info[i]; - rsnd_mod_init(&dvc->mod, &rsnd_dvc_ops, + ret = rsnd_mod_init(&dvc->mod, &rsnd_dvc_ops, clk, RSND_MOD_DVC, i); - - dev_dbg(dev, "CMD%d probed\n", i); + if (ret) + return ret; } return 0; } + +void rsnd_dvc_remove(struct platform_device *pdev, + struct rsnd_priv *priv) +{ + struct rsnd_dvc *dvc; + int i; + + for_each_rsnd_dvc(dvc, priv, i) { + rsnd_mod_quit(&dvc->mod); + } +} |