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path: root/drivers/media/radio
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-rw-r--r--drivers/media/radio/radio-si476x.c2
-rw-r--r--drivers/media/radio/si470x/radio-si470x-i2c.c52
-rw-r--r--drivers/media/radio/si470x/radio-si470x.h1
-rw-r--r--drivers/media/radio/wl128x/fmdrv.h4
-rw-r--r--drivers/media/radio/wl128x/fmdrv_common.c4
5 files changed, 40 insertions, 23 deletions
diff --git a/drivers/media/radio/radio-si476x.c b/drivers/media/radio/radio-si476x.c
index 269971145f88..0261f4d28f16 100644
--- a/drivers/media/radio/radio-si476x.c
+++ b/drivers/media/radio/radio-si476x.c
@@ -1550,7 +1550,7 @@ static int si476x_radio_probe(struct platform_device *pdev)
rval = si476x_radio_init_debugfs(radio);
if (rval < 0) {
- dev_err(&pdev->dev, "Could not creat debugfs interface\n");
+ dev_err(&pdev->dev, "Could not create debugfs interface\n");
goto exit;
}
diff --git a/drivers/media/radio/si470x/radio-si470x-i2c.c b/drivers/media/radio/si470x/radio-si470x-i2c.c
index 9751ea1d80be..15eea2b2c90f 100644
--- a/drivers/media/radio/si470x/radio-si470x-i2c.c
+++ b/drivers/media/radio/si470x/radio-si470x-i2c.c
@@ -28,6 +28,7 @@
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
#include <linux/interrupt.h>
#include "radio-si470x.h"
@@ -350,7 +351,7 @@ static int si470x_i2c_probe(struct i2c_client *client,
unsigned char version_warning = 0;
/* private data allocation and initialization */
- radio = kzalloc(sizeof(struct si470x_device), GFP_KERNEL);
+ radio = devm_kzalloc(&client->dev, sizeof(*radio), GFP_KERNEL);
if (!radio) {
retval = -ENOMEM;
goto err_initial;
@@ -370,7 +371,7 @@ static int si470x_i2c_probe(struct i2c_client *client,
retval = v4l2_device_register(&client->dev, &radio->v4l2_dev);
if (retval < 0) {
dev_err(&client->dev, "couldn't register v4l2_device\n");
- goto err_radio;
+ goto err_initial;
}
v4l2_ctrl_handler_init(&radio->hdl, 2);
@@ -392,18 +393,29 @@ static int si470x_i2c_probe(struct i2c_client *client,
radio->videodev.release = video_device_release_empty;
video_set_drvdata(&radio->videodev, radio);
+ radio->gpio_reset = devm_gpiod_get_optional(&client->dev, "reset",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(radio->gpio_reset)) {
+ retval = PTR_ERR(radio->gpio_reset);
+ dev_err(&client->dev, "Failed to request gpio: %d\n", retval);
+ goto err_all;
+ }
+
+ if (radio->gpio_reset)
+ gpiod_set_value(radio->gpio_reset, 1);
+
/* power up : need 110ms */
radio->registers[POWERCFG] = POWERCFG_ENABLE;
if (si470x_set_register(radio, POWERCFG) < 0) {
retval = -EIO;
- goto err_ctrl;
+ goto err_all;
}
msleep(110);
/* get device and chip versions */
if (si470x_get_all_registers(radio) < 0) {
retval = -EIO;
- goto err_ctrl;
+ goto err_all;
}
dev_info(&client->dev, "DeviceID=0x%4.4hx ChipID=0x%4.4hx\n",
radio->registers[DEVICEID], radio->registers[SI_CHIPID]);
@@ -430,10 +442,10 @@ static int si470x_i2c_probe(struct i2c_client *client,
/* rds buffer allocation */
radio->buf_size = rds_buf * 3;
- radio->buffer = kmalloc(radio->buf_size, GFP_KERNEL);
+ radio->buffer = devm_kmalloc(&client->dev, radio->buf_size, GFP_KERNEL);
if (!radio->buffer) {
retval = -EIO;
- goto err_ctrl;
+ goto err_all;
}
/* rds buffer configuration */
@@ -441,12 +453,13 @@ static int si470x_i2c_probe(struct i2c_client *client,
radio->rd_index = 0;
init_waitqueue_head(&radio->read_queue);
- retval = request_threaded_irq(client->irq, NULL, si470x_i2c_interrupt,
- IRQF_TRIGGER_FALLING | IRQF_ONESHOT, DRIVER_NAME,
- radio);
+ retval = devm_request_threaded_irq(&client->dev, client->irq, NULL,
+ si470x_i2c_interrupt,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ DRIVER_NAME, radio);
if (retval) {
dev_err(&client->dev, "Failed to register interrupt\n");
- goto err_rds;
+ goto err_all;
}
/* register video device */
@@ -460,15 +473,9 @@ static int si470x_i2c_probe(struct i2c_client *client,
return 0;
err_all:
- free_irq(client->irq, radio);
-err_rds:
- kfree(radio->buffer);
-err_ctrl:
v4l2_ctrl_handler_free(&radio->hdl);
err_dev:
v4l2_device_unregister(&radio->v4l2_dev);
-err_radio:
- kfree(radio);
err_initial:
return retval;
}
@@ -481,9 +488,10 @@ static int si470x_i2c_remove(struct i2c_client *client)
{
struct si470x_device *radio = i2c_get_clientdata(client);
- free_irq(client->irq, radio);
video_unregister_device(&radio->videodev);
- kfree(radio);
+
+ if (radio->gpio_reset)
+ gpiod_set_value(radio->gpio_reset, 0);
return 0;
}
@@ -527,6 +535,13 @@ static int si470x_i2c_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(si470x_i2c_pm, si470x_i2c_suspend, si470x_i2c_resume);
#endif
+#if IS_ENABLED(CONFIG_OF)
+static const struct of_device_id si470x_of_match[] = {
+ { .compatible = "silabs,si470x" },
+ { },
+};
+MODULE_DEVICE_TABLE(of, si470x_of_match);
+#endif
/*
* si470x_i2c_driver - i2c driver interface
@@ -534,6 +549,7 @@ static SIMPLE_DEV_PM_OPS(si470x_i2c_pm, si470x_i2c_suspend, si470x_i2c_resume);
static struct i2c_driver si470x_i2c_driver = {
.driver = {
.name = "si470x",
+ .of_match_table = of_match_ptr(si470x_of_match),
#ifdef CONFIG_PM_SLEEP
.pm = &si470x_i2c_pm,
#endif
diff --git a/drivers/media/radio/si470x/radio-si470x.h b/drivers/media/radio/si470x/radio-si470x.h
index 35fa0f3bbdd2..6fd6a399cb77 100644
--- a/drivers/media/radio/si470x/radio-si470x.h
+++ b/drivers/media/radio/si470x/radio-si470x.h
@@ -189,6 +189,7 @@ struct si470x_device {
#if IS_ENABLED(CONFIG_I2C_SI470X)
struct i2c_client *client;
+ struct gpio_desc *gpio_reset;
#endif
};
diff --git a/drivers/media/radio/wl128x/fmdrv.h b/drivers/media/radio/wl128x/fmdrv.h
index 1ff2eec4ed52..4c0d13539988 100644
--- a/drivers/media/radio/wl128x/fmdrv.h
+++ b/drivers/media/radio/wl128x/fmdrv.h
@@ -133,7 +133,7 @@ struct fm_rds {
/*
* Current RX channel Alternate Frequency cache.
* This info is used to switch to other freq (AF)
- * when current channel signal strengh is below RSSI threshold.
+ * when current channel signal strength is below RSSI threshold.
*/
struct tuned_station_info {
u16 picode;
@@ -228,7 +228,7 @@ struct fmdev {
struct fm_rx rx; /* FM receiver info */
struct fmtx_data tx_data;
- /* V4L2 ctrl framwork handler*/
+ /* V4L2 ctrl framework handler*/
struct v4l2_ctrl_handler ctrl_handler;
/* For core assisted locking */
diff --git a/drivers/media/radio/wl128x/fmdrv_common.c b/drivers/media/radio/wl128x/fmdrv_common.c
index 800d69c3f80b..3c8987af3772 100644
--- a/drivers/media/radio/wl128x/fmdrv_common.c
+++ b/drivers/media/radio/wl128x/fmdrv_common.c
@@ -908,7 +908,7 @@ static void fm_irq_afjump_setfreq(struct fmdev *fmdev)
u16 frq_index;
u16 payload;
- fmdbg("Swtich to %d KHz\n", fmdev->rx.stat_info.af_cache[fmdev->rx.afjump_idx]);
+ fmdbg("Switch to %d KHz\n", fmdev->rx.stat_info.af_cache[fmdev->rx.afjump_idx]);
frq_index = (fmdev->rx.stat_info.af_cache[fmdev->rx.afjump_idx] -
fmdev->rx.region.bot_freq) / FM_FREQ_MUL;
@@ -1047,7 +1047,7 @@ static void fm_irq_handle_intmsk_cmd_resp(struct fmdev *fmdev)
clear_bit(FM_INTTASK_RUNNING, &fmdev->flag);
}
-/* Returns availability of RDS data in internel buffer */
+/* Returns availability of RDS data in internal buffer */
int fmc_is_rds_data_available(struct fmdev *fmdev, struct file *file,
struct poll_table_struct *pts)
{
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