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Subject[PATCH v3 5/5] ASoC: qcom: apq8096: Use common APIs to parse device nodes
Date
Use generic APIs exposed by common.c for parsing
dai link device tree nodes and adding slave components.

Signed-off-by: Rohit kumar <rohitkr@codeaurora.org>
---
sound/soc/qcom/Kconfig | 1 +
sound/soc/qcom/apq8096.c | 151 ++++-------------------------------------------
2 files changed, 11 insertions(+), 141 deletions(-)

diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig
index cf55f0a..2be9cee 100644
--- a/sound/soc/qcom/Kconfig
+++ b/sound/soc/qcom/Kconfig
@@ -86,6 +86,7 @@ config SND_SOC_MSM8996
tristate "SoC Machine driver for MSM8996 and APQ8096 boards"
depends on QCOM_APR
select SND_SOC_QDSP6
+ select SND_SOC_QCOM_COMMON
help
Support for Qualcomm Technologies LPASS audio block in
APQ8096 SoC-based systems.
diff --git a/sound/soc/qcom/apq8096.c b/sound/soc/qcom/apq8096.c
index cab8c4f..726fb73 100644
--- a/sound/soc/qcom/apq8096.c
+++ b/sound/soc/qcom/apq8096.c
@@ -9,6 +9,7 @@
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/pcm.h>
+#include "common.h"

static int apq8096_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
@@ -24,109 +25,16 @@ static int apq8096_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
return 0;
}

-static int apq8096_sbc_parse_of(struct snd_soc_card *card)
+static void apq8096_add_be_ops(struct snd_soc_card *card)
{
- struct device_node *np;
- struct device_node *codec = NULL;
- struct device_node *platform = NULL;
- struct device_node *cpu = NULL;
- struct device *dev = card->dev;
- struct snd_soc_dai_link *link;
- int ret, num_links;
-
- ret = snd_soc_of_parse_card_name(card, "qcom,model");
- if (ret) {
- dev_err(dev, "Error parsing card name: %d\n", ret);
- return ret;
- }
+ struct snd_soc_dai_link *link = card->dai_link;
+ int i, num_links = card->num_links;

- /* DAPM routes */
- if (of_property_read_bool(dev->of_node, "qcom,audio-routing")) {
- ret = snd_soc_of_parse_audio_routing(card,
- "qcom,audio-routing");
- if (ret)
- return ret;
- }
-
- /* Populate links */
- num_links = of_get_child_count(dev->of_node);
-
- /* Allocate the DAI link array */
- card->dai_link = kcalloc(num_links, sizeof(*link), GFP_KERNEL);
- if (!card->dai_link)
- return -ENOMEM;
-
- card->num_links = num_links;
- link = card->dai_link;
-
- for_each_child_of_node(dev->of_node, np) {
- cpu = of_get_child_by_name(np, "cpu");
- if (!cpu) {
- dev_err(dev, "Can't find cpu DT node\n");
- ret = -EINVAL;
- goto err;
- }
-
- link->cpu_of_node = of_parse_phandle(cpu, "sound-dai", 0);
- if (!link->cpu_of_node) {
- dev_err(card->dev, "error getting cpu phandle\n");
- ret = -EINVAL;
- goto err;
- }
-
- ret = snd_soc_of_get_dai_name(cpu, &link->cpu_dai_name);
- if (ret) {
- dev_err(card->dev, "error getting cpu dai name\n");
- goto err;
- }
-
- platform = of_get_child_by_name(np, "platform");
- codec = of_get_child_by_name(np, "codec");
- if (codec && platform) {
- link->platform_of_node = of_parse_phandle(platform,
- "sound-dai",
- 0);
- if (!link->platform_of_node) {
- dev_err(card->dev, "platform dai not found\n");
- ret = -EINVAL;
- goto err;
- }
-
- ret = snd_soc_of_get_dai_link_codecs(dev, codec, link);
- if (ret < 0) {
- dev_err(card->dev, "codec dai not found\n");
- goto err;
- }
- link->no_pcm = 1;
- link->ignore_pmdown_time = 1;
+ for (i = 0; i < num_links; i++) {
+ if (link->no_pcm == 1)
link->be_hw_params_fixup = apq8096_be_hw_params_fixup;
- } else {
- link->platform_of_node = link->cpu_of_node;
- link->codec_dai_name = "snd-soc-dummy-dai";
- link->codec_name = "snd-soc-dummy";
- link->dynamic = 1;
- }
-
- link->ignore_suspend = 1;
- ret = of_property_read_string(np, "link-name", &link->name);
- if (ret) {
- dev_err(card->dev, "error getting codec dai_link name\n");
- goto err;
- }
-
- link->dpcm_playback = 1;
- link->dpcm_capture = 1;
- link->stream_name = link->name;
link++;
}
-
- return 0;
-err:
- of_node_put(cpu);
- of_node_put(codec);
- of_node_put(platform);
- kfree(card->dai_link);
- return ret;
}

static int apq8096_bind(struct device *dev)
@@ -141,12 +49,14 @@ static int apq8096_bind(struct device *dev)
component_bind_all(dev, card);
card->dev = dev;
dev_set_drvdata(dev, card);
- ret = apq8096_sbc_parse_of(card);
+ ret = qcom_snd_parse_of(card);
if (ret) {
dev_err(dev, "Error parsing OF data\n");
goto err;
}

+ apq8096_add_be_ops(card);
+
ret = snd_soc_register_card(card);
if (ret)
goto err;
@@ -174,53 +84,12 @@ static void apq8096_unbind(struct device *dev)
.unbind = apq8096_unbind,
};

-static int apq8016_compare_of(struct device *dev, void *data)
-{
- return dev->of_node == data;
-}
-
-static void apq8016_release_of(struct device *dev, void *data)
-{
- of_node_put(data);
-}
-
-static int add_audio_components(struct device *dev,
- struct component_match **matchptr)
-{
- struct device_node *np, *platform, *cpu, *node, *dai_node;
-
- node = dev->of_node;
-
- for_each_child_of_node(node, np) {
- cpu = of_get_child_by_name(np, "cpu");
- if (cpu) {
- dai_node = of_parse_phandle(cpu, "sound-dai", 0);
- of_node_get(dai_node);
- component_match_add_release(dev, matchptr,
- apq8016_release_of,
- apq8016_compare_of,
- dai_node);
- }
-
- platform = of_get_child_by_name(np, "platform");
- if (platform) {
- dai_node = of_parse_phandle(platform, "sound-dai", 0);
- component_match_add_release(dev, matchptr,
- apq8016_release_of,
- apq8016_compare_of,
- dai_node);
- }
- }
-
- return 0;
-}
-
static int apq8096_platform_probe(struct platform_device *pdev)
{
struct component_match *match = NULL;
int ret;

- ret = add_audio_components(&pdev->dev, &match);
+ ret = qcom_snd_add_components(&pdev->dev, &match);
if (ret)
return ret;

--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.,
is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
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