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Commit f2f8e850 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

V4L/DVB: radio-si470x: use unlocked ioctl 



Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent cf9b475d

drivers/media/radio/si470x/radio-si470x-common.c

+22 −5
Original line number Diff line number Diff line
@@ -408,17 +408,15 @@ int si470x_stop(struct si470x_device *radio) 
/*

 * si470x_rds_on - switch on rds reception

 */

int si470x_rds_on(struct si470x_device *radio)

static int si470x_rds_on(struct si470x_device *radio)

{

	int retval;



	/* sysconfig 1 */

	mutex_lock(&radio->lock);

	radio->registers[SYSCONFIG1] |= SYSCONFIG1_RDS;

	retval = si470x_set_register(radio, SYSCONFIG1);

	if (retval < 0)

		radio->registers[SYSCONFIG1] &= ~SYSCONFIG1_RDS;

	mutex_unlock(&radio->lock);



	return retval;

}
@@ -440,6 +438,7 @@ static ssize_t si470x_fops_read(struct file *file, char __user *buf, 
	unsigned int block_count = 0;



	/* switch on rds reception */

	mutex_lock(&radio->lock);

	if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0)

		si470x_rds_on(radio);
@@ -480,9 +479,9 @@ static ssize_t si470x_fops_read(struct file *file, char __user *buf, 
		buf += 3;

		retval += 3;

	}

	mutex_unlock(&radio->lock);



done:

	mutex_unlock(&radio->lock);

	return retval;

}
@@ -497,8 +496,11 @@ static unsigned int si470x_fops_poll(struct file *file, 
	int retval = 0;



	/* switch on rds reception */



	mutex_lock(&radio->lock);

	if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0)

		si470x_rds_on(radio);

	mutex_unlock(&radio->lock);



	poll_wait(file, &radio->read_queue, pts);
@@ -516,7 +518,7 @@ static const struct v4l2_file_operations si470x_fops = { 
	.owner			= THIS_MODULE,

	.read			= si470x_fops_read,

	.poll			= si470x_fops_poll,

	.ioctl			= video_ioctl2,

	.unlocked_ioctl		= video_ioctl2,

	.open			= si470x_fops_open,

	.release		= si470x_fops_release,

};
@@ -572,6 +574,7 @@ static int si470x_vidioc_g_ctrl(struct file *file, void *priv, 
	struct si470x_device *radio = video_drvdata(file);

	int retval = 0;



	mutex_lock(&radio->lock);

	/* safety checks */

	retval = si470x_disconnect_check(radio);

	if (retval)
@@ -594,6 +597,8 @@ static int si470x_vidioc_g_ctrl(struct file *file, void *priv, 
	if (retval < 0)

		dev_warn(&radio->videodev->dev,

			"get control failed with %d\n", retval);



	mutex_unlock(&radio->lock);

	return retval;

}
@@ -607,6 +612,7 @@ static int si470x_vidioc_s_ctrl(struct file *file, void *priv, 
	struct si470x_device *radio = video_drvdata(file);

	int retval = 0;



	mutex_lock(&radio->lock);

	/* safety checks */

	retval = si470x_disconnect_check(radio);

	if (retval)
@@ -633,6 +639,7 @@ static int si470x_vidioc_s_ctrl(struct file *file, void *priv, 
	if (retval < 0)

		dev_warn(&radio->videodev->dev,

			"set control failed with %d\n", retval);

	mutex_unlock(&radio->lock);

	return retval;

}
@@ -662,6 +669,7 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv, 
	struct si470x_device *radio = video_drvdata(file);

	int retval = 0;



	mutex_lock(&radio->lock);

	/* safety checks */

	retval = si470x_disconnect_check(radio);

	if (retval)
@@ -737,6 +745,7 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv, 
	if (retval < 0)

		dev_warn(&radio->videodev->dev,

			"get tuner failed with %d\n", retval);

	mutex_unlock(&radio->lock);

	return retval;

}
@@ -750,6 +759,7 @@ static int si470x_vidioc_s_tuner(struct file *file, void *priv, 
	struct si470x_device *radio = video_drvdata(file);

	int retval = 0;



	mutex_lock(&radio->lock);

	/* safety checks */

	retval = si470x_disconnect_check(radio);

	if (retval)
@@ -776,6 +786,7 @@ static int si470x_vidioc_s_tuner(struct file *file, void *priv, 
	if (retval < 0)

		dev_warn(&radio->videodev->dev,

			"set tuner failed with %d\n", retval);

	mutex_unlock(&radio->lock);

	return retval;

}
@@ -790,6 +801,7 @@ static int si470x_vidioc_g_frequency(struct file *file, void *priv, 
	int retval = 0;



	/* safety checks */

	mutex_lock(&radio->lock);

	retval = si470x_disconnect_check(radio);

	if (retval)

		goto done;
@@ -806,6 +818,7 @@ static int si470x_vidioc_g_frequency(struct file *file, void *priv, 
	if (retval < 0)

		dev_warn(&radio->videodev->dev,

			"get frequency failed with %d\n", retval);

	mutex_unlock(&radio->lock);

	return retval;

}
@@ -819,6 +832,7 @@ static int si470x_vidioc_s_frequency(struct file *file, void *priv, 
	struct si470x_device *radio = video_drvdata(file);

	int retval = 0;



	mutex_lock(&radio->lock);

	/* safety checks */

	retval = si470x_disconnect_check(radio);

	if (retval)
@@ -835,6 +849,7 @@ static int si470x_vidioc_s_frequency(struct file *file, void *priv, 
	if (retval < 0)

		dev_warn(&radio->videodev->dev,

			"set frequency failed with %d\n", retval);

	mutex_unlock(&radio->lock);

	return retval;

}
@@ -848,6 +863,7 @@ static int si470x_vidioc_s_hw_freq_seek(struct file *file, void *priv, 
	struct si470x_device *radio = video_drvdata(file);

	int retval = 0;



	mutex_lock(&radio->lock);

	/* safety checks */

	retval = si470x_disconnect_check(radio);

	if (retval)
@@ -864,6 +880,7 @@ static int si470x_vidioc_s_hw_freq_seek(struct file *file, void *priv, 
	if (retval < 0)

		dev_warn(&radio->videodev->dev,

			"set hardware frequency seek failed with %d\n", retval);

	mutex_unlock(&radio->lock);

	return retval;

}

drivers/media/radio/si470x/radio-si470x.h

+0 −1
Original line number Diff line number Diff line
@@ -220,7 +220,6 @@ int si470x_disconnect_check(struct si470x_device *radio); 
int si470x_set_freq(struct si470x_device *radio, unsigned int freq);

int si470x_start(struct si470x_device *radio);

int si470x_stop(struct si470x_device *radio);

int si470x_rds_on(struct si470x_device *radio);

int si470x_fops_open(struct file *file);

int si470x_fops_release(struct file *file);

int si470x_vidioc_querycap(struct file *file, void *priv,