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Diffstat (limited to 'sound/soc/jz4740/qi_lb60.c')
-rw-r--r--sound/soc/jz4740/qi_lb60.c145
1 files changed, 54 insertions, 91 deletions
diff --git a/sound/soc/jz4740/qi_lb60.c b/sound/soc/jz4740/qi_lb60.c
index ef1a99e6a3b..5cb91f9e862 100644
--- a/sound/soc/jz4740/qi_lb60.c
+++ b/sound/soc/jz4740/qi_lb60.c
@@ -19,23 +19,21 @@
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
-#define QI_LB60_SND_GPIO JZ_GPIO_PORTB(29)
-#define QI_LB60_AMP_GPIO JZ_GPIO_PORTD(4)
+struct qi_lb60 {
+ struct gpio_desc *snd_gpio;
+ struct gpio_desc *amp_gpio;
+};
static int qi_lb60_spk_event(struct snd_soc_dapm_widget *widget,
struct snd_kcontrol *ctrl, int event)
{
- int on = 0;
- if (event & SND_SOC_DAPM_POST_PMU)
- on = 1;
- else if (event & SND_SOC_DAPM_PRE_PMD)
- on = 0;
+ struct qi_lb60 *qi_lb60 = snd_soc_card_get_drvdata(widget->dapm->card);
+ int on = !SND_SOC_DAPM_EVENT_OFF(event);
- gpio_set_value(QI_LB60_SND_GPIO, on);
- gpio_set_value(QI_LB60_AMP_GPIO, on);
+ gpiod_set_value_cansleep(qi_lb60->snd_gpio, on);
+ gpiod_set_value_cansleep(qi_lb60->amp_gpio, on);
return 0;
}
@@ -51,107 +49,72 @@ static const struct snd_soc_dapm_route qi_lb60_routes[] = {
{"Speaker", NULL, "ROUT"},
};
-#define QI_LB60_DAIFMT (SND_SOC_DAIFMT_I2S | \
- SND_SOC_DAIFMT_NB_NF | \
- SND_SOC_DAIFMT_CBM_CFM)
-
-static int qi_lb60_codec_init(struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_codec *codec = rtd->codec;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- int ret;
-
- snd_soc_dapm_nc_pin(codec, "LIN");
- snd_soc_dapm_nc_pin(codec, "RIN");
-
- ret = snd_soc_dai_set_fmt(cpu_dai, QI_LB60_DAIFMT);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to set cpu dai format: %d\n", ret);
- return ret;
- }
-
- snd_soc_dapm_new_controls(codec, qi_lb60_widgets, ARRAY_SIZE(qi_lb60_widgets));
- snd_soc_dapm_add_routes(codec, qi_lb60_routes, ARRAY_SIZE(qi_lb60_routes));
- snd_soc_dapm_sync(codec);
-
- return 0;
-}
-
static struct snd_soc_dai_link qi_lb60_dai = {
.name = "jz4740",
.stream_name = "jz4740",
.cpu_dai_name = "jz4740-i2s",
- .platform_name = "jz4740-pcm-audio",
+ .platform_name = "jz4740-i2s",
.codec_dai_name = "jz4740-hifi",
.codec_name = "jz4740-codec",
- .init = qi_lb60_codec_init,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM,
};
-static struct snd_soc_card qi_lb60 = {
+static struct snd_soc_card qi_lb60_card = {
.name = "QI LB60",
+ .owner = THIS_MODULE,
.dai_link = &qi_lb60_dai,
.num_links = 1,
-};
-static struct platform_device *qi_lb60_snd_device;
+ .dapm_widgets = qi_lb60_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(qi_lb60_widgets),
+ .dapm_routes = qi_lb60_routes,
+ .num_dapm_routes = ARRAY_SIZE(qi_lb60_routes),
+ .fully_routed = true,
+};
-static int __init qi_lb60_init(void)
+static int qi_lb60_probe(struct platform_device *pdev)
{
+ struct qi_lb60 *qi_lb60;
+ struct snd_soc_card *card = &qi_lb60_card;
int ret;
- qi_lb60_snd_device = platform_device_alloc("soc-audio", -1);
-
- if (!qi_lb60_snd_device)
+ qi_lb60 = devm_kzalloc(&pdev->dev, sizeof(*qi_lb60), GFP_KERNEL);
+ if (!qi_lb60)
return -ENOMEM;
- ret = gpio_request(QI_LB60_SND_GPIO, "SND");
- if (ret) {
- pr_err("qi_lb60 snd: Failed to request SND GPIO(%d): %d\n",
- QI_LB60_SND_GPIO, ret);
- goto err_device_put;
- }
-
- ret = gpio_request(QI_LB60_AMP_GPIO, "AMP");
- if (ret) {
- pr_err("qi_lb60 snd: Failed to request AMP GPIO(%d): %d\n",
- QI_LB60_AMP_GPIO, ret);
- goto err_gpio_free_snd;
- }
-
- gpio_direction_output(QI_LB60_SND_GPIO, 0);
- gpio_direction_output(QI_LB60_AMP_GPIO, 0);
-
- platform_set_drvdata(qi_lb60_snd_device, &qi_lb60);
-
- ret = platform_device_add(qi_lb60_snd_device);
- if (ret) {
- pr_err("qi_lb60 snd: Failed to add snd soc device: %d\n", ret);
- goto err_unset_pdata;
- }
-
- return 0;
-
-err_unset_pdata:
- platform_set_drvdata(qi_lb60_snd_device, NULL);
-/*err_gpio_free_amp:*/
- gpio_free(QI_LB60_AMP_GPIO);
-err_gpio_free_snd:
- gpio_free(QI_LB60_SND_GPIO);
-err_device_put:
- platform_device_put(qi_lb60_snd_device);
-
- return ret;
-}
-module_init(qi_lb60_init);
+ qi_lb60->snd_gpio = devm_gpiod_get(&pdev->dev, "snd");
+ if (IS_ERR(qi_lb60->snd_gpio))
+ return PTR_ERR(qi_lb60->snd_gpio);
+ ret = gpiod_direction_output(qi_lb60->snd_gpio, 0);
+ if (ret)
+ return ret;
-static void __exit qi_lb60_exit(void)
-{
- gpio_free(QI_LB60_AMP_GPIO);
- gpio_free(QI_LB60_SND_GPIO);
- platform_device_unregister(qi_lb60_snd_device);
+ qi_lb60->amp_gpio = devm_gpiod_get(&pdev->dev, "amp");
+ if (IS_ERR(qi_lb60->amp_gpio))
+ return PTR_ERR(qi_lb60->amp_gpio);
+ ret = gpiod_direction_output(qi_lb60->amp_gpio, 0);
+ if (ret)
+ return ret;
+
+ card->dev = &pdev->dev;
+
+ snd_soc_card_set_drvdata(card, qi_lb60);
+
+ return devm_snd_soc_register_card(&pdev->dev, card);
}
-module_exit(qi_lb60_exit);
+
+static struct platform_driver qi_lb60_driver = {
+ .driver = {
+ .name = "qi-lb60-audio",
+ .owner = THIS_MODULE,
+ },
+ .probe = qi_lb60_probe,
+};
+
+module_platform_driver(qi_lb60_driver);
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_DESCRIPTION("ALSA SoC QI LB60 Audio support");
MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:qi-lb60-audio");