From: Arnd Bergmann arnd@arndb.de
The magician audio driver creates a codec device and gets data from a board specific header file, both of which is a bit suspicious. Move these into the board file itself, using a gpio lookup table.
Acked-by: Mark Brown broonie@kernel.org Acked-by: Robert Jarzmik robert.jarzmik@free.fr Cc: alsa-devel@alsa-project.org Signed-off-by: Arnd Bergmann arnd@arndb.de --- arch/arm/mach-pxa/magician.c | 50 +++++++++++++ sound/soc/pxa/magician.c | 141 +++++++++-------------------------- 2 files changed, 87 insertions(+), 104 deletions(-)
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index d105deb1e098..598c977a8ae6 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -53,6 +53,7 @@ #include <linux/spi/spi.h> #include <linux/spi/pxa2xx_spi.h> #include <linux/spi/ads7846.h> +#include <sound/uda1380.h>
static unsigned long magician_pin_config[] __initdata = {
@@ -898,6 +899,53 @@ static struct platform_device strataflash = { }, };
+/* + * audio support + */ +static struct uda1380_platform_data uda1380_info = { + .gpio_power = EGPIO_MAGICIAN_CODEC_POWER, + .gpio_reset = EGPIO_MAGICIAN_CODEC_RESET, + .dac_clk = UDA1380_DAC_CLK_WSPLL, +}; + +static struct i2c_board_info magician_audio_i2c_board_info[] = { + { + I2C_BOARD_INFO("uda1380", 0x18), + .platform_data = &uda1380_info, + }, +}; + +static struct gpiod_lookup_table magician_audio_gpio_table = { + .dev_id = "magician-audio", + .table = { + GPIO_LOOKUP("htc-egpio-0", + EGPIO_MAGICIAN_SPK_POWER - MAGICIAN_EGPIO_BASE, + "SPK_POWER", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("htc-egpio-0", + EGPIO_MAGICIAN_EP_POWER - MAGICIAN_EGPIO_BASE, + "EP_POWER", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("htc-egpio-0", + EGPIO_MAGICIAN_MIC_POWER - MAGICIAN_EGPIO_BASE, + "MIC_POWER", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("htc-egpio-0", + EGPIO_MAGICIAN_IN_SEL0 - MAGICIAN_EGPIO_BASE, + "IN_SEL0", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("htc-egpio-0", + EGPIO_MAGICIAN_IN_SEL1 - MAGICIAN_EGPIO_BASE, + "IN_SEL1", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static void magician_audio_init(void) +{ + i2c_register_board_info(0, + ARRAY_AND_SIZE(magician_audio_i2c_board_info)); + + gpiod_add_lookup_table(&magician_audio_gpio_table); + platform_device_register_simple("magician-audio", -1, NULL, 0); +} + /* * PXA I2C main controller */ @@ -1048,6 +1096,8 @@ static void __init magician_init(void) gpiod_add_lookup_table(&bq24022_gpiod_table); gpiod_add_lookup_table(&gpio_vbus_gpiod_table); platform_add_devices(ARRAY_AND_SIZE(devices)); + + magician_audio_init(); }
MACHINE_START(MAGICIAN, "HTC Magician") diff --git a/sound/soc/pxa/magician.c b/sound/soc/pxa/magician.c index a5f326c97af2..9433cc927755 100644 --- a/sound/soc/pxa/magician.c +++ b/sound/soc/pxa/magician.c @@ -14,16 +14,14 @@ #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/delay.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/i2c.h>
#include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> -#include <sound/uda1380.h>
-#include <mach/magician.h> #include <asm/mach-types.h> #include "../codecs/uda1380.h" #include "pxa2xx-i2s.h" @@ -36,6 +34,9 @@ static int magician_hp_switch; static int magician_spk_switch = 1; static int magician_in_sel = MAGICIAN_MIC;
+static struct gpio_desc *gpiod_spk_power, *gpiod_ep_power, *gpiod_mic_power; +static struct gpio_desc *gpiod_in_sel0, *gpiod_in_sel1; + static void magician_ext_control(struct snd_soc_dapm_context *dapm) {
@@ -215,10 +216,10 @@ static int magician_set_input(struct snd_kcontrol *kcontrol,
switch (magician_in_sel) { case MAGICIAN_MIC: - gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 1); + gpiod_set_value(gpiod_in_sel1, 1); break; case MAGICIAN_MIC_EXT: - gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 0); + gpiod_set_value(gpiod_in_sel1, 0); }
return 1; @@ -227,21 +228,21 @@ static int magician_set_input(struct snd_kcontrol *kcontrol, static int magician_spk_power(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { - gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, SND_SOC_DAPM_EVENT_ON(event)); + gpiod_set_value(gpiod_spk_power, SND_SOC_DAPM_EVENT_ON(event)); return 0; }
static int magician_hp_power(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { - gpio_set_value(EGPIO_MAGICIAN_EP_POWER, SND_SOC_DAPM_EVENT_ON(event)); + gpiod_set_value(gpiod_ep_power, SND_SOC_DAPM_EVENT_ON(event)); return 0; }
static int magician_mic_bias(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { - gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, SND_SOC_DAPM_EVENT_ON(event)); + gpiod_set_value(gpiod_mic_power, SND_SOC_DAPM_EVENT_ON(event)); return 0; }
@@ -328,106 +329,38 @@ static struct snd_soc_card snd_soc_card_magician = { .fully_routed = true, };
-static struct platform_device *magician_snd_device; - -/* - * FIXME: move into magician board file once merged into the pxa tree - */ -static struct uda1380_platform_data uda1380_info = { - .gpio_power = EGPIO_MAGICIAN_CODEC_POWER, - .gpio_reset = EGPIO_MAGICIAN_CODEC_RESET, - .dac_clk = UDA1380_DAC_CLK_WSPLL, -}; - -static struct i2c_board_info i2c_board_info[] = { - { - I2C_BOARD_INFO("uda1380", 0x18), - .platform_data = &uda1380_info, - }, -}; - -static int __init magician_init(void) -{ - int ret; - struct i2c_adapter *adapter; - struct i2c_client *client; - - if (!machine_is_magician()) - return -ENODEV; - - adapter = i2c_get_adapter(0); - if (!adapter) - return -ENODEV; - client = i2c_new_client_device(adapter, i2c_board_info); - i2c_put_adapter(adapter); - if (IS_ERR(client)) - return PTR_ERR(client); - - ret = gpio_request(EGPIO_MAGICIAN_SPK_POWER, "SPK_POWER"); - if (ret) - goto err_request_spk; - ret = gpio_request(EGPIO_MAGICIAN_EP_POWER, "EP_POWER"); - if (ret) - goto err_request_ep; - ret = gpio_request(EGPIO_MAGICIAN_MIC_POWER, "MIC_POWER"); - if (ret) - goto err_request_mic; - ret = gpio_request(EGPIO_MAGICIAN_IN_SEL0, "IN_SEL0"); - if (ret) - goto err_request_in_sel0; - ret = gpio_request(EGPIO_MAGICIAN_IN_SEL1, "IN_SEL1"); - if (ret) - goto err_request_in_sel1; - - gpio_set_value(EGPIO_MAGICIAN_IN_SEL0, 0); - - magician_snd_device = platform_device_alloc("soc-audio", -1); - if (!magician_snd_device) { - ret = -ENOMEM; - goto err_pdev; - } - - platform_set_drvdata(magician_snd_device, &snd_soc_card_magician); - ret = platform_device_add(magician_snd_device); - if (ret) { - platform_device_put(magician_snd_device); - goto err_pdev; - } - - return 0; - -err_pdev: - gpio_free(EGPIO_MAGICIAN_IN_SEL1); -err_request_in_sel1: - gpio_free(EGPIO_MAGICIAN_IN_SEL0); -err_request_in_sel0: - gpio_free(EGPIO_MAGICIAN_MIC_POWER); -err_request_mic: - gpio_free(EGPIO_MAGICIAN_EP_POWER); -err_request_ep: - gpio_free(EGPIO_MAGICIAN_SPK_POWER); -err_request_spk: - return ret; -} - -static void __exit magician_exit(void) +static int magician_audio_probe(struct platform_device *pdev) { - platform_device_unregister(magician_snd_device); - - gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, 0); - gpio_set_value(EGPIO_MAGICIAN_EP_POWER, 0); - gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, 0); - - gpio_free(EGPIO_MAGICIAN_IN_SEL1); - gpio_free(EGPIO_MAGICIAN_IN_SEL0); - gpio_free(EGPIO_MAGICIAN_MIC_POWER); - gpio_free(EGPIO_MAGICIAN_EP_POWER); - gpio_free(EGPIO_MAGICIAN_SPK_POWER); + struct device *dev = &pdev->dev; + + gpiod_spk_power = devm_gpiod_get(dev, "SPK_POWER", GPIOD_OUT_LOW); + if (IS_ERR(gpiod_spk_power)) + return PTR_ERR(gpiod_spk_power); + gpiod_ep_power = devm_gpiod_get(dev, "EP_POWER", GPIOD_OUT_LOW); + if (IS_ERR(gpiod_ep_power)) + return PTR_ERR(gpiod_ep_power); + gpiod_mic_power = devm_gpiod_get(dev, "MIC_POWER", GPIOD_OUT_LOW); + if (IS_ERR(gpiod_mic_power)) + return PTR_ERR(gpiod_mic_power); + gpiod_in_sel0 = devm_gpiod_get(dev, "IN_SEL0", GPIOD_OUT_HIGH); + if (IS_ERR(gpiod_in_sel0)) + return PTR_ERR(gpiod_in_sel0); + gpiod_in_sel1 = devm_gpiod_get(dev, "IN_SEL1", GPIOD_OUT_LOW); + if (IS_ERR(gpiod_in_sel1)) + return PTR_ERR(gpiod_in_sel1); + + snd_soc_card_magician.dev = &pdev->dev; + return devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_magician); }
-module_init(magician_init); -module_exit(magician_exit); +static struct platform_driver magician_audio_driver = { + .driver.name = "magician-audio", + .driver.pm = &snd_soc_pm_ops, + .probe = magician_audio_probe, +}; +module_platform_driver(magician_audio_driver);
MODULE_AUTHOR("Philipp Zabel"); MODULE_DESCRIPTION("ALSA SoC Magician"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:magician-audio");