diff options
Diffstat (limited to 'sound/soc/generic/audio-graph-card.c')
-rw-r--r-- | sound/soc/generic/audio-graph-card.c | 113 |
1 files changed, 72 insertions, 41 deletions
diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c index 83e3ba773fbd..3425fbbcbd7e 100644 --- a/sound/soc/generic/audio-graph-card.c +++ b/sound/soc/generic/audio-graph-card.c @@ -7,6 +7,7 @@ // // based on ${LINUX}/sound/soc/generic/simple-card.c +#include <linux/cleanup.h> #include <linux/clk.h> #include <linux/device.h> #include <linux/gpio/consumer.h> @@ -19,6 +20,18 @@ #define DPCM_SELECTABLE 1 +#define ep_to_port(ep) of_get_parent(ep) +static struct device_node *port_to_ports(struct device_node *port) +{ + struct device_node *ports = of_get_parent(port); + + if (!of_node_name_eq(ports, "ports")) { + of_node_put(ports); + return NULL; + } + return ports; +} + static int graph_outdrv_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) @@ -68,13 +81,12 @@ static void graph_parse_convert(struct device *dev, struct simple_util_data *adata) { struct device_node *top = dev->of_node; - struct device_node *port = of_get_parent(ep); - struct device_node *ports = of_get_parent(port); + struct device_node *port = ep_to_port(ep); + struct device_node *ports = port_to_ports(port); struct device_node *node = of_graph_get_port_parent(ep); simple_util_parse_convert(top, NULL, adata); - if (of_node_name_eq(ports, "ports")) - simple_util_parse_convert(ports, NULL, adata); + simple_util_parse_convert(ports, NULL, adata); simple_util_parse_convert(port, NULL, adata); simple_util_parse_convert(ep, NULL, adata); @@ -83,30 +95,12 @@ static void graph_parse_convert(struct device *dev, of_node_put(node); } -static void graph_parse_mclk_fs(struct device_node *top, - struct device_node *ep, - struct simple_dai_props *props) -{ - struct device_node *port = of_get_parent(ep); - struct device_node *ports = of_get_parent(port); - - of_property_read_u32(top, "mclk-fs", &props->mclk_fs); - if (of_node_name_eq(ports, "ports")) - of_property_read_u32(ports, "mclk-fs", &props->mclk_fs); - of_property_read_u32(port, "mclk-fs", &props->mclk_fs); - of_property_read_u32(ep, "mclk-fs", &props->mclk_fs); - - of_node_put(port); - of_node_put(ports); -} - static int graph_parse_node(struct simple_util_priv *priv, struct device_node *ep, struct link_info *li, int *cpu) { struct device *dev = simple_priv_to_dev(priv); - struct device_node *top = dev->of_node; struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link); struct simple_dai_props *dai_props = simple_priv_to_props(priv, li->link); struct snd_soc_dai_link_component *dlc; @@ -121,8 +115,6 @@ static int graph_parse_node(struct simple_util_priv *priv, dai = simple_props_to_dai_codec(dai_props, 0); } - graph_parse_mclk_fs(top, ep, dai_props); - ret = graph_util_parse_dai(dev, ep, dlc, cpu); if (ret < 0) return ret; @@ -139,26 +131,70 @@ static int graph_parse_node(struct simple_util_priv *priv, } static int graph_link_init(struct simple_util_priv *priv, - struct device_node *cpu_ep, - struct device_node *codec_ep, + struct device_node *ep_cpu, + struct device_node *ep_codec, struct link_info *li, char *name) { struct device *dev = simple_priv_to_dev(priv); + struct device_node *top = dev->of_node; struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link); + struct simple_dai_props *dai_props = simple_priv_to_props(priv, li->link); + struct device_node *port_cpu = ep_to_port(ep_cpu); + struct device_node *port_codec = ep_to_port(ep_codec); + struct device_node *ports_cpu = port_to_ports(port_cpu); + struct device_node *ports_codec = port_to_ports(port_codec); + enum snd_soc_trigger_order trigger_start = SND_SOC_TRIGGER_ORDER_DEFAULT; + enum snd_soc_trigger_order trigger_stop = SND_SOC_TRIGGER_ORDER_DEFAULT; + bool playback_only = 0, capture_only = 0; int ret; - ret = simple_util_parse_daifmt(dev, cpu_ep, codec_ep, + ret = simple_util_parse_daifmt(dev, ep_cpu, ep_codec, NULL, &dai_link->dai_fmt); if (ret < 0) - return ret; + goto init_end; + + graph_util_parse_link_direction(top, &playback_only, &capture_only); + graph_util_parse_link_direction(port_cpu, &playback_only, &capture_only); + graph_util_parse_link_direction(port_codec, &playback_only, &capture_only); + graph_util_parse_link_direction(ep_cpu, &playback_only, &capture_only); + graph_util_parse_link_direction(ep_codec, &playback_only, &capture_only); + + of_property_read_u32(top, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(ports_cpu, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(ports_codec, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(port_cpu, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(port_codec, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(ep_cpu, "mclk-fs", &dai_props->mclk_fs); + of_property_read_u32(ep_codec, "mclk-fs", &dai_props->mclk_fs); + + graph_util_parse_trigger_order(priv, top, &trigger_start, &trigger_stop); + graph_util_parse_trigger_order(priv, ports_cpu, &trigger_start, &trigger_stop); + graph_util_parse_trigger_order(priv, ports_codec, &trigger_start, &trigger_stop); + graph_util_parse_trigger_order(priv, port_cpu, &trigger_start, &trigger_stop); + graph_util_parse_trigger_order(priv, port_cpu, &trigger_start, &trigger_stop); + graph_util_parse_trigger_order(priv, ep_cpu, &trigger_start, &trigger_stop); + graph_util_parse_trigger_order(priv, ep_codec, &trigger_start, &trigger_stop); + + dai_link->playback_only = playback_only; + dai_link->capture_only = capture_only; + + dai_link->trigger_start = trigger_start; + dai_link->trigger_stop = trigger_stop; dai_link->init = simple_util_dai_init; dai_link->ops = &graph_ops; if (priv->ops) dai_link->ops = priv->ops; - return simple_util_set_dailink_name(dev, dai_link, name); + ret = simple_util_set_dailink_name(dev, dai_link, name); +init_end: + of_node_put(ports_cpu); + of_node_put(ports_codec); + of_node_put(port_cpu); + of_node_put(port_codec); + + return ret; } static int graph_dai_link_of_dpcm(struct simple_util_priv *priv, @@ -231,14 +267,11 @@ static int graph_dai_link_of_dpcm(struct simple_util_priv *priv, "be.%pOFP.%s", codecs->of_node, codecs->dai_name); /* check "prefix" from top node */ - port = of_get_parent(ep); - ports = of_get_parent(port); - snd_soc_of_parse_node_prefix(top, cconf, codecs->of_node, - "prefix"); - if (of_node_name_eq(ports, "ports")) - snd_soc_of_parse_node_prefix(ports, cconf, codecs->of_node, "prefix"); - snd_soc_of_parse_node_prefix(port, cconf, codecs->of_node, - "prefix"); + port = ep_to_port(ep); + ports = port_to_ports(port); + snd_soc_of_parse_node_prefix(top, cconf, codecs->of_node, "prefix"); + snd_soc_of_parse_node_prefix(ports, cconf, codecs->of_node, "prefix"); + snd_soc_of_parse_node_prefix(port, cconf, codecs->of_node, "prefix"); of_node_put(ports); of_node_put(port); @@ -350,7 +383,7 @@ static int __graph_for_each_link(struct simple_util_priv *priv, /* get codec */ codec_ep = of_graph_get_remote_endpoint(cpu_ep); - codec_port = of_get_parent(codec_ep); + codec_port = ep_to_port(codec_ep); /* get convert-xxx property */ memset(&adata, 0, sizeof(adata)); @@ -541,10 +574,9 @@ static int graph_get_dais_count(struct simple_util_priv *priv, int audio_graph_parse_of(struct simple_util_priv *priv, struct device *dev) { struct snd_soc_card *card = simple_priv_to_card(priv); - struct link_info *li; int ret; - li = devm_kzalloc(dev, sizeof(*li), GFP_KERNEL); + struct link_info *li __free(kfree) = kzalloc(sizeof(*li), GFP_KERNEL); if (!li) return -ENOMEM; @@ -596,7 +628,6 @@ int audio_graph_parse_of(struct simple_util_priv *priv, struct device *dev) if (ret < 0) goto err; - devm_kfree(dev, li); return 0; err: |