mirror of https://gitee.com/openkylin/linux.git
ASoC: omap: rx51: get GPIO numbers via gpiod API
Update the driver to get GPIO numbers from the devm gpiod API instead of requesting hardcoded GPIO numbers. Signed-off-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Sebastian Reichel
Mark Brown
parent
0a17a37046
commit
386e81ab3b
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@ -26,6 +26,7 @@
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <linux/gpio/consumer.h>
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#include <linux/module.h>
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#include <sound/core.h>
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#include <sound/jack.h>
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@ -38,15 +39,6 @@
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#include "omap-mcbsp.h"
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#define RX51_TVOUT_SEL_GPIO 40
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#define RX51_JACK_DETECT_GPIO 177
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#define RX51_ECI_SW_GPIO 182
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/*
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* REVISIT: TWL4030 GPIO base in RX-51. Now statically defined to 192. This
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* gpio is reserved in arch/arm/mach-omap2/board-rx51-peripherals.c
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*/
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#define RX51_SPEAKER_AMP_TWL_GPIO (192 + 7)
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enum {
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RX51_JACK_DISABLED,
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RX51_JACK_TVOUT, /* tv-out with stereo output */
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@ -54,12 +46,21 @@ enum {
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RX51_JACK_HS, /* headset: stereo output with mic */
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};
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struct rx51_audio_pdata {
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struct gpio_desc *tvout_selection_gpio;
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struct gpio_desc *jack_detection_gpio;
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struct gpio_desc *eci_sw_gpio;
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struct gpio_desc *speaker_amp_gpio;
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};
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static int rx51_spk_func;
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static int rx51_dmic_func;
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static int rx51_jack_func;
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static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
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{
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struct snd_soc_card *card = dapm->card;
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struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
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int hp = 0, hs = 0, tvout = 0;
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switch (rx51_jack_func) {
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@ -93,7 +94,7 @@ static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
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else
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snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic");
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gpio_set_value(RX51_TVOUT_SEL_GPIO, tvout);
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gpiod_set_value(pdata->tvout_selection_gpio, tvout);
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snd_soc_dapm_sync_unlocked(dapm);
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@ -154,10 +155,12 @@ static int rx51_set_spk(struct snd_kcontrol *kcontrol,
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static int rx51_spk_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *k, int event)
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{
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if (SND_SOC_DAPM_EVENT_ON(event))
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gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 1);
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else
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gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 0);
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struct snd_soc_dapm_context *dapm = w->dapm;
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struct snd_soc_card *card = dapm->card;
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struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
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gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio,
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!!SND_SOC_DAPM_EVENT_ON(event));
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return 0;
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}
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@ -223,7 +226,6 @@ static struct snd_soc_jack rx51_av_jack;
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static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
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{
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.gpio = RX51_JACK_DETECT_GPIO,
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.name = "avdet-gpio",
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.report = SND_JACK_HEADSET,
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.invert = 1,
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@ -284,6 +286,9 @@ static const struct snd_kcontrol_new aic34_rx51_controls[] = {
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static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_codec *codec = rtd->codec;
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struct snd_soc_card *card = codec->card;
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struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
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struct snd_soc_dapm_context *dapm = &codec->dapm;
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int err;
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@ -307,6 +312,11 @@ static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
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&rx51_av_jack);
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if (err)
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return err;
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/* prepare gpio for snd_soc_jack_add_gpios */
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rx51_av_jack_gpios[0].gpio = desc_to_gpio(pdata->jack_detection_gpio);
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devm_gpiod_put(card->dev, pdata->jack_detection_gpio);
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err = snd_soc_jack_add_gpios(&rx51_av_jack,
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ARRAY_SIZE(rx51_av_jack_gpios),
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rx51_av_jack_gpios);
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@ -365,37 +375,74 @@ static struct snd_soc_card rx51_sound_card = {
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static int rx51_soc_probe(struct platform_device *pdev)
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{
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struct rx51_audio_pdata *pdata;
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struct snd_soc_card *card = &rx51_sound_card;
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int err;
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if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
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return -ENODEV;
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err = gpio_request_one(RX51_TVOUT_SEL_GPIO,
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GPIOF_DIR_OUT | GPIOF_INIT_LOW, "tvout_sel");
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if (err)
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goto err_gpio_tvout_sel;
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err = gpio_request_one(RX51_ECI_SW_GPIO,
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GPIOF_DIR_OUT | GPIOF_INIT_HIGH, "eci_sw");
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if (err)
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goto err_gpio_eci_sw;
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card->dev = &pdev->dev;
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pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
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if (pdata == NULL) {
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dev_err(card->dev, "failed to create private data\n");
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return -ENOMEM;
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}
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snd_soc_card_set_drvdata(card, pdata);
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pdata->tvout_selection_gpio = devm_gpiod_get(card->dev,
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"tvout-selection");
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if (IS_ERR(pdata->tvout_selection_gpio)) {
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dev_err(card->dev, "could not get tvout selection gpio\n");
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return PTR_ERR(pdata->tvout_selection_gpio);
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}
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err = gpiod_direction_output(pdata->tvout_selection_gpio, 0);
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if (err) {
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dev_err(card->dev, "could not setup tvout selection gpio\n");
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return err;
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}
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pdata->jack_detection_gpio = devm_gpiod_get(card->dev,
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"jack-detection");
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if (IS_ERR(pdata->jack_detection_gpio)) {
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dev_err(card->dev, "could not get jack detection gpio\n");
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return PTR_ERR(pdata->jack_detection_gpio);
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}
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pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch");
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if (IS_ERR(pdata->eci_sw_gpio)) {
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dev_err(card->dev, "could not get eci switch gpio\n");
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return PTR_ERR(pdata->eci_sw_gpio);
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}
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err = gpiod_direction_output(pdata->eci_sw_gpio, 1);
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if (err) {
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dev_err(card->dev, "could not setup eci switch gpio\n");
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return err;
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}
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pdata->speaker_amp_gpio = devm_gpiod_get(card->dev,
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"speaker-amplifier");
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if (IS_ERR(pdata->speaker_amp_gpio)) {
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dev_err(card->dev, "could not get speaker enable gpio\n");
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return PTR_ERR(pdata->speaker_amp_gpio);
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}
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err = gpiod_direction_output(pdata->speaker_amp_gpio, 0);
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if (err) {
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dev_err(card->dev, "could not setup speaker enable gpio\n");
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return err;
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}
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err = devm_snd_soc_register_card(card->dev, card);
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if (err) {
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dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err);
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goto err_snd;
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return err;
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}
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return 0;
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err_snd:
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gpio_free(RX51_ECI_SW_GPIO);
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err_gpio_eci_sw:
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gpio_free(RX51_TVOUT_SEL_GPIO);
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err_gpio_tvout_sel:
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return err;
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}
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static int rx51_soc_remove(struct platform_device *pdev)
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@ -403,9 +450,6 @@ static int rx51_soc_remove(struct platform_device *pdev)
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snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
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rx51_av_jack_gpios);
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gpio_free(RX51_ECI_SW_GPIO);
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gpio_free(RX51_TVOUT_SEL_GPIO);
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return 0;
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}
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