1 files changed, 21 insertions, 59 deletions

diff --git a/drivers/media/i2c/adv7183.c b/drivers/media/i2c/adv7183.c
index 56a1fa4..6f738d8 100644
--- a/drivers/media/i2c/adv7183.c
+++ b/drivers/media/i2c/adv7183.c
@@ -28,7 +28,6 @@
 #include <linux/videodev2.h>
 
 #include <media/adv7183.h>
-#include <media/v4l2-chip-ident.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
 
@@ -375,28 +374,28 @@ static int adv7183_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
 	reg = adv7183_read(sd, ADV7183_STATUS_1);
 	switch ((reg >> 0x4) & 0x7) {
 	case 0:
-		*std = V4L2_STD_NTSC;
+		*std &= V4L2_STD_NTSC;
 		break;
 	case 1:
-		*std = V4L2_STD_NTSC_443;
+		*std &= V4L2_STD_NTSC_443;
 		break;
 	case 2:
-		*std = V4L2_STD_PAL_M;
+		*std &= V4L2_STD_PAL_M;
 		break;
 	case 3:
-		*std = V4L2_STD_PAL_60;
+		*std &= V4L2_STD_PAL_60;
 		break;
 	case 4:
-		*std = V4L2_STD_PAL;
+		*std &= V4L2_STD_PAL;
 		break;
 	case 5:
-		*std = V4L2_STD_SECAM;
+		*std &= V4L2_STD_SECAM;
 		break;
 	case 6:
-		*std = V4L2_STD_PAL_Nc;
+		*std &= V4L2_STD_PAL_Nc;
 		break;
 	case 7:
-		*std = V4L2_STD_SECAM;
+		*std &= V4L2_STD_SECAM;
 		break;
 	default:
 		*std = V4L2_STD_UNKNOWN;
@@ -474,34 +473,16 @@ static int adv7183_s_stream(struct v4l2_subdev *sd, int enable)
 	struct adv7183 *decoder = to_adv7183(sd);
 
 	if (enable)
-		gpio_direction_output(decoder->oe_pin, 0);
+		gpio_set_value(decoder->oe_pin, 0);
 	else
-		gpio_direction_output(decoder->oe_pin, 1);
+		gpio_set_value(decoder->oe_pin, 1);
 	udelay(1);
 	return 0;
 }
 
-static int adv7183_g_chip_ident(struct v4l2_subdev *sd,
-		struct v4l2_dbg_chip_ident *chip)
-{
-	int rev;
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-
-	/* 0x11 for adv7183, 0x13 for adv7183b */
-	rev = adv7183_read(sd, ADV7183_IDENT);
-
-	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7183, rev);
-}
-
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 static int adv7183_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
 {
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-
-	if (!v4l2_chip_match_i2c_client(client, &reg->match))
-		return -EINVAL;
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
 	reg->val = adv7183_read(sd, reg->reg & 0xff);
 	reg->size = 1;
 	return 0;
@@ -509,12 +490,6 @@ static int adv7183_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
 
 static int adv7183_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
 {
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-
-	if (!v4l2_chip_match_i2c_client(client, &reg->match))
-		return -EINVAL;
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
 	adv7183_write(sd, reg->reg & 0xff, reg->val & 0xff);
 	return 0;
 }
@@ -529,7 +504,6 @@ static const struct v4l2_subdev_core_ops adv7183_core_ops = {
 	.g_std = adv7183_g_std,
 	.s_std = adv7183_s_std,
 	.reset = adv7183_reset,
-	.g_chip_ident = adv7183_g_chip_ident,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 	.g_register = adv7183_g_register,
 	.s_register = adv7183_s_register,
@@ -573,23 +547,24 @@ static int adv7183_probe(struct i2c_client *client,
 	if (pin_array == NULL)
 		return -EINVAL;
 
-	decoder = kzalloc(sizeof(struct adv7183), GFP_KERNEL);
+	decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL);
 	if (decoder == NULL)
 		return -ENOMEM;
 
 	decoder->reset_pin = pin_array[0];
 	decoder->oe_pin = pin_array[1];
 
-	if (gpio_request(decoder->reset_pin, "ADV7183 Reset")) {
+	if (devm_gpio_request_one(&client->dev, decoder->reset_pin,
+				  GPIOF_OUT_INIT_LOW, "ADV7183 Reset")) {
 		v4l_err(client, "failed to request GPIO %d\n", decoder->reset_pin);
-		ret = -EBUSY;
-		goto err_free_decoder;
+		return -EBUSY;
 	}
 
-	if (gpio_request(decoder->oe_pin, "ADV7183 Output Enable")) {
+	if (devm_gpio_request_one(&client->dev, decoder->oe_pin,
+				  GPIOF_OUT_INIT_HIGH,
+				  "ADV7183 Output Enable")) {
 		v4l_err(client, "failed to request GPIO %d\n", decoder->oe_pin);
-		ret = -EBUSY;
-		goto err_free_reset;
+		return -EBUSY;
 	}
 
 	sd = &decoder->sd;
@@ -611,7 +586,7 @@ static int adv7183_probe(struct i2c_client *client,
 		ret = hdl->error;
 
 		v4l2_ctrl_handler_free(hdl);
-		goto err_free_oe;
+		return ret;
 	}
 
 	/* v4l2 doesn't support an autodetect standard, pick PAL as default */
@@ -619,12 +594,10 @@ static int adv7183_probe(struct i2c_client *client,
 	decoder->input = ADV7183_COMPOSITE4;
 	decoder->output = ADV7183_8BIT_OUT;
 
-	gpio_direction_output(decoder->oe_pin, 1);
 	/* reset chip */
-	gpio_direction_output(decoder->reset_pin, 0);
 	/* reset pulse width at least 5ms */
 	mdelay(10);
-	gpio_direction_output(decoder->reset_pin, 1);
+	gpio_set_value(decoder->reset_pin, 1);
 	/* wait 5ms before any further i2c writes are performed */
 	mdelay(5);
 
@@ -638,29 +611,18 @@ static int adv7183_probe(struct i2c_client *client,
 	ret = v4l2_ctrl_handler_setup(hdl);
 	if (ret) {
 		v4l2_ctrl_handler_free(hdl);
-		goto err_free_oe;
+		return ret;
 	}
 
 	return 0;
-err_free_oe:
-	gpio_free(decoder->oe_pin);
-err_free_reset:
-	gpio_free(decoder->reset_pin);
-err_free_decoder:
-	kfree(decoder);
-	return ret;
 }
 
 static int adv7183_remove(struct i2c_client *client)
 {
 	struct v4l2_subdev *sd = i2c_get_clientdata(client);
-	struct adv7183 *decoder = to_adv7183(sd);
 
 	v4l2_device_unregister_subdev(sd);
 	v4l2_ctrl_handler_free(sd->ctrl_handler);
-	gpio_free(decoder->oe_pin);
-	gpio_free(decoder->reset_pin);
-	kfree(decoder);
 	return 0;
 }