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drivers: audio: tlv320dac310x: Convert to the new GPIO API

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Convert to the new GPIO API using logical access, including setting the
GPIO line as active low in the Device Tree source.

Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
This commit is contained in:
Carles Cufi 2020-01-24 16:18:43 +01:00 • committed by Carles Cufí
commit 132bf05561
2 changed files with 5 additions and 9 deletions
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2
boards/xtensa/intel_s1000_crb/intel_s1000_crb.dts
View file

@ -41,7 +41,7 @@
compatible = "ti,tlv320dac"; compatible = "ti,tlv320dac";
reg = <0x18>; reg = <0x18>;
label = "TLV320DAC"; label = "TLV320DAC";
reset-gpios = <&gpio0 4 0>; reset-gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;
}; };
}; };

12
drivers/audio/tlv320dac310x.c
View file

@ -22,9 +22,6 @@ LOG_MODULE_REGISTER(tlv320dac310x);
#define CODEC_OUTPUT_VOLUME_MAX 0 #define CODEC_OUTPUT_VOLUME_MAX 0
#define CODEC_OUTPUT_VOLUME_MIN (-78 * 2) #define CODEC_OUTPUT_VOLUME_MIN (-78 * 2)
#define CODEC_RESET_PIN_ASSERT 0
#define CODEC_RESET_PIN_DEASSERT 1
struct codec_driver_config { struct codec_driver_config {
struct device *i2c_device; struct device *i2c_device;
const char *i2c_dev_name; const char *i2c_dev_name;
@ -108,12 +105,11 @@ static int codec_configure(struct device *dev,
return -EINVAL; return -EINVAL;
} }
/* configure reset GPIO */ /* Configure reset GPIO, and set the line to inactive, which will also
* de-assert the reset line and thus enable the codec.
*/
gpio_pin_configure(dev_cfg->gpio_device, dev_cfg->gpio_pin, gpio_pin_configure(dev_cfg->gpio_device, dev_cfg->gpio_pin,
dev_cfg->gpio_flags | GPIO_DIR_OUT); dev_cfg->gpio_flags | GPIO_OUTPUT_INACTIVE);
/* de-assert reset */
gpio_pin_write(dev_cfg->gpio_device, dev_cfg->gpio_pin,
CODEC_RESET_PIN_DEASSERT);
codec_soft_reset(dev); codec_soft_reset(dev);