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C++ si470x_set_register函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中si470x_set_register函数的典型用法代码示例。如果您正苦于以下问题：C++ si470x_set_register函数的具体用法？C++ si470x_set_register怎么用？C++ si470x_set_register使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了si470x_set_register函数的17个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: si470x_set_chan

/*
 * si470x_set_chan - set the channel
 */
static int si470x_set_chan(struct si470x_device *radio, unsigned short chan)
{
	int retval;
	unsigned long timeout;
	bool timed_out = 0;

	/* start tuning */
	radio->registers[CHANNEL] &= ~CHANNEL_CHAN;
	radio->registers[CHANNEL] |= CHANNEL_TUNE | chan;
	retval = si470x_set_register(radio, CHANNEL);
	if (retval < 0)
		return retval;

	/* wait till seek operation has completed */
	timeout = jiffies + msecs_to_jiffies(tune_timeout);
	do {
		retval = si470x_get_register(radio, STATUSRSSI);
		if (retval < 0)
			return retval;
		timed_out = time_after(jiffies, timeout);
	} while (((radio->registers[STATUSRSSI] & STATUSRSSI_STC) == 0) &&
		(!timed_out));
	if (timed_out)
		printk(KERN_WARNING DRIVER_NAME
			": seek does not finish after %u ms\n", tune_timeout);

	/* stop tuning */
	radio->registers[CHANNEL] &= ~CHANNEL_TUNE;
	return si470x_set_register(radio, CHANNEL);
}
开发者ID:maraz，项目名称:linux-2.6，代码行数:33，代码来源:radio-si470x.c


示例2: si470x_set_chan

/*
 * si470x_set_chan - set the channel
 */
static int si470x_set_chan(struct si470x_device *radio, unsigned short chan)
{
	int retval;
	bool timed_out = 0;

	/* start tuning */
	radio->registers[CHANNEL] &= ~CHANNEL_CHAN;
	radio->registers[CHANNEL] |= CHANNEL_TUNE | chan;
	retval = si470x_set_register(radio, CHANNEL);
	if (retval < 0)
		goto done;

	/* wait till tune operation has completed */
	INIT_COMPLETION(radio->completion);
	retval = wait_for_completion_timeout(&radio->completion,
			msecs_to_jiffies(tune_timeout));
	if (!retval)
		timed_out = true;

	if ((radio->registers[STATUSRSSI] & STATUSRSSI_STC) == 0)
		dev_warn(&radio->videodev.dev, "tune does not complete\n");
	if (timed_out)
		dev_warn(&radio->videodev.dev,
			"tune timed out after %u ms\n", tune_timeout);

	/* stop tuning */
	radio->registers[CHANNEL] &= ~CHANNEL_TUNE;
	retval = si470x_set_register(radio, CHANNEL);

done:
	return retval;
}
开发者ID:AmesianX，项目名称:netlink-mmap，代码行数:35，代码来源:radio-si470x-common.c


示例3: si470x_stop

/*
 * si470x_stop - switch off radio
 */
static int si470x_stop(struct si470x_device *radio)
{
	int retval;

	/* sysconfig 1 */
	radio->registers[SYSCONFIG1] &= ~SYSCONFIG1_RDS;
	retval = si470x_set_register(radio, SYSCONFIG1);
	if (retval < 0)
		return retval;

	/* powercfg */
	radio->registers[POWERCFG] &= ~POWERCFG_DMUTE;
	/* POWERCFG_ENABLE has to automatically go low */
	radio->registers[POWERCFG] |= POWERCFG_ENABLE |	POWERCFG_DISABLE;
	return si470x_set_register(radio, POWERCFG);
}
开发者ID:maraz，项目名称:linux-2.6，代码行数:19，代码来源:radio-si470x.c


示例4: si470x_fops_open

/*
 * si470x_fops_open - file open
 */
int si470x_fops_open(struct file *file)
{
	struct si470x_device *radio = video_drvdata(file);
	int retval = 0;

	mutex_lock(&radio->lock);
	radio->users++;

	if (radio->users == 1) {
		/* start radio */
		retval = si470x_start(radio);
		if (retval < 0)
			goto done;

		/* enable RDS / STC interrupt */
		radio->registers[SYSCONFIG1] |= SYSCONFIG1_RDSIEN;
		radio->registers[SYSCONFIG1] |= SYSCONFIG1_STCIEN;
		radio->registers[SYSCONFIG1] &= ~SYSCONFIG1_GPIO2;
		radio->registers[SYSCONFIG1] |= 0x1 << 2;
		retval = si470x_set_register(radio, SYSCONFIG1);
	}

done:
	mutex_unlock(&radio->lock);
	return retval;
}
开发者ID:openube，项目名称:android_kernel_sony_c2305，代码行数:29，代码来源:radio-si470x-i2c.c


示例5: si470x_set_band

/*
 * si470x_set_band - set the band
 */
static int si470x_set_band(struct si470x_device *radio, int band)
{
	if (radio->band == band)
		return 0;

	radio->band = band;
	radio->registers[SYSCONFIG2] &= ~SYSCONFIG2_BAND;
	radio->registers[SYSCONFIG2] |= radio->band << 6;
	return si470x_set_register(radio, SYSCONFIG2);
}
开发者ID:AmesianX，项目名称:netlink-mmap，代码行数:13，代码来源:radio-si470x-common.c


示例6: si470x_i2c_suspend

/*
 * si470x_i2c_suspend - suspend the device
 */
static int si470x_i2c_suspend(struct i2c_client *client, pm_message_t mesg)
{
	struct si470x_device *radio = i2c_get_clientdata(client);

	/* power down */
	radio->registers[POWERCFG] |= POWERCFG_DISABLE;
	if (si470x_set_register(radio, POWERCFG) < 0)
		return -EIO;

	return 0;
}
开发者ID:A2109devs，项目名称:lenovo_a2109a_kernel，代码行数:14，代码来源:radio-si470x-i2c.c


示例7: si470x_s_ctrl

static int si470x_s_ctrl(struct v4l2_ctrl *ctrl)
{
	struct si470x_device *radio =
		container_of(ctrl->handler, struct si470x_device, hdl);

	switch (ctrl->id) {
	case V4L2_CID_AUDIO_VOLUME:
		radio->registers[SYSCONFIG2] &= ~SYSCONFIG2_VOLUME;
		radio->registers[SYSCONFIG2] |= ctrl->val;
		return si470x_set_register(radio, SYSCONFIG2);
	case V4L2_CID_AUDIO_MUTE:
		if (ctrl->val)
			radio->registers[POWERCFG] &= ~POWERCFG_DMUTE;
		else
			radio->registers[POWERCFG] |= POWERCFG_DMUTE;
		return si470x_set_register(radio, POWERCFG);
	default:
		return -EINVAL;
	}
}
开发者ID:AmesianX，项目名称:netlink-mmap，代码行数:20，代码来源:radio-si470x-common.c


示例8: si470x_rds_on

/*
 * si470x_rds_on - switch on rds reception
 */
static int si470x_rds_on(struct si470x_device *radio)
{
	int retval;

	/* sysconfig 1 */
	radio->registers[SYSCONFIG1] |= SYSCONFIG1_RDS;
	retval = si470x_set_register(radio, SYSCONFIG1);
	if (retval < 0)
		radio->registers[SYSCONFIG1] &= ~SYSCONFIG1_RDS;

	return retval;
}
开发者ID:AmesianX，项目名称:netlink-mmap，代码行数:15，代码来源:radio-si470x-common.c


示例9: si470x_i2c_resume

/*
 * si470x_i2c_resume - resume the device
 */
static int si470x_i2c_resume(struct i2c_client *client)
{
	struct si470x_device *radio = i2c_get_clientdata(client);

	/* power up : need 110ms */
	radio->registers[POWERCFG] |= POWERCFG_ENABLE;
	if (si470x_set_register(radio, POWERCFG) < 0)
		return -EIO;
	msleep(110);

	return 0;
}
开发者ID:A2109devs，项目名称:lenovo_a2109a_kernel，代码行数:15，代码来源:radio-si470x-i2c.c


示例10: si470x_rds_on

/*
 * si470x_rds_on - switch on rds reception
 */
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;
}
开发者ID:12rafael，项目名称:jellytimekernel，代码行数:17，代码来源:radio-si470x-common.c


示例11: si470x_set_chan

/*
 * si470x_set_chan - set the channel
 */
static int si470x_set_chan(struct si470x_device *radio, unsigned short chan)
{
	int retval;
	unsigned long timeout;
	bool timed_out = 0;

	/* start tuning */
	radio->registers[CHANNEL] &= ~CHANNEL_CHAN;
	radio->registers[CHANNEL] |= CHANNEL_TUNE | chan;
	retval = si470x_set_register(radio, CHANNEL);
	if (retval < 0)
		goto done;

	/* wait till tune operation has completed */
	timeout = jiffies + msecs_to_jiffies(tune_timeout);
	do {
		retval = si470x_get_register(radio, STATUSRSSI);
		if (retval < 0)
			goto stop;
		timed_out = time_after(jiffies, timeout);
	} while (((radio->registers[STATUSRSSI] & STATUSRSSI_STC) == 0) &&
		(!timed_out));
	if ((radio->registers[STATUSRSSI] & STATUSRSSI_STC) == 0)
		dev_warn(&radio->videodev->dev, "tune does not complete\n");
	if (timed_out)
		dev_warn(&radio->videodev->dev,
			"tune timed out after %u ms\n", tune_timeout);

stop:
	/* stop tuning */
	radio->registers[CHANNEL] &= ~CHANNEL_TUNE;
	retval = si470x_set_register(radio, CHANNEL);

done:
	return retval;
}
开发者ID:12rafael，项目名称:jellytimekernel，代码行数:39，代码来源:radio-si470x-common.c


示例12: si470x_i2c_suspend

/*
 * si470x_i2c_suspend - suspend the device
 */
static int si470x_i2c_suspend(struct device *dev)
{
	struct i2c_client *client = to_i2c_client(dev);
	struct si470x_device *radio = i2c_get_clientdata(client);
#ifndef CONFIG_VIDEO_V4L2
	if (radio->pdata->enabled == false)
		return 0;
#endif
	/* power down */
	radio->registers[POWERCFG] |= POWERCFG_DISABLE;
	if (si470x_set_register(radio, POWERCFG) < 0)
		return -EIO;

	return 0;
}
开发者ID:andi34，项目名称:kernel_samsung_espresso，代码行数:18，代码来源:radio-si470x-i2c.c


示例13: si470x_i2c_resume

/*
 * si470x_i2c_resume - resume the device
 */
static int si470x_i2c_resume(struct device *dev)
{
	struct i2c_client *client = to_i2c_client(dev);
	struct si470x_device *radio = i2c_get_clientdata(client);
#ifndef CONFIG_VIDEO_V4L2
	if (radio->pdata->enabled == false)
		return 0;
#endif
	/* power up : need 110ms */
	radio->registers[POWERCFG] |= POWERCFG_ENABLE;
	if (si470x_set_register(radio, POWERCFG) < 0)
		return -EIO;
	msleep(110);

	return 0;
}
开发者ID:andi34，项目名称:kernel_samsung_espresso，代码行数:19，代码来源:radio-si470x-i2c.c


示例14: si470x_vidioc_s_tuner

/*
 * si470x_vidioc_s_tuner - set tuner attributes
 */
static int si470x_vidioc_s_tuner(struct file *file, void *priv,
		struct v4l2_tuner *tuner)
{
	struct si470x_device *radio = video_get_drvdata(video_devdata(file));
	int retval;

	if (tuner->index > 0)
		return -EINVAL;

	if (tuner->audmode == V4L2_TUNER_MODE_MONO)
		radio->registers[POWERCFG] |= POWERCFG_MONO;  /* force mono */
	else
		radio->registers[POWERCFG] &= ~POWERCFG_MONO; /* try stereo */

	retval = si470x_set_register(radio, POWERCFG);
	if (retval < 0)
		printk(KERN_WARNING DRIVER_NAME
			": set tuner failed with %d\n", retval);

	return retval;
}
开发者ID:Tigrouzen，项目名称:k1099，代码行数:24，代码来源:radio-si470x.c


示例15: si470x_vidioc_s_tuner

/*
 * si470x_vidioc_s_tuner - set tuner attributes
 */
static int si470x_vidioc_s_tuner(struct file *file, void *priv,
		struct v4l2_tuner *tuner)
{
	struct si470x_device *radio = video_drvdata(file);

	if (tuner->index != 0)
		return -EINVAL;

	/* mono/stereo selector */
	switch (tuner->audmode) {
	case V4L2_TUNER_MODE_MONO:
		radio->registers[POWERCFG] |= POWERCFG_MONO;  /* force mono */
		break;
	case V4L2_TUNER_MODE_STEREO:
	default:
		radio->registers[POWERCFG] &= ~POWERCFG_MONO; /* try stereo */
		break;
	}

	return si470x_set_register(radio, POWERCFG);
}
开发者ID:AmesianX，项目名称:netlink-mmap，代码行数:24，代码来源:radio-si470x-common.c


示例16: si470x_i2c_probe

/*
 * si470x_i2c_probe - probe for the device
 */
static int __devinit si470x_i2c_probe(struct i2c_client *client,
		const struct i2c_device_id *id)
{
	struct si470x_device *radio;
	int retval = 0;
	unsigned char version_warning = 0;

	/* private data allocation and initialization */
	radio = kzalloc(sizeof(struct si470x_device), GFP_KERNEL);
	if (!radio) {
		retval = -ENOMEM;
		goto err_initial;
	}

	radio->users = 0;
	radio->client = client;
	mutex_init(&radio->lock);

	/* video device allocation and initialization */
	radio->videodev = video_device_alloc();
	if (!radio->videodev) {
		retval = -ENOMEM;
		goto err_radio;
	}
	memcpy(radio->videodev, &si470x_viddev_template,
			sizeof(si470x_viddev_template));
	video_set_drvdata(radio->videodev, radio);

	/* power up : need 110ms */
	radio->registers[POWERCFG] = POWERCFG_ENABLE;
	if (si470x_set_register(radio, POWERCFG) < 0) {
		retval = -EIO;
		goto err_video;
	}
	msleep(110);

	/* get device and chip versions */
	if (si470x_get_all_registers(radio) < 0) {
		retval = -EIO;
		goto err_video;
	}
	dev_info(&client->dev, "DeviceID=0x%4.4hx ChipID=0x%4.4hx\n",
			radio->registers[DEVICEID], radio->registers[CHIPID]);
	if ((radio->registers[CHIPID] & CHIPID_FIRMWARE) < RADIO_FW_VERSION) {
		dev_warn(&client->dev,
			"This driver is known to work with "
			"firmware version %hu,\n", RADIO_FW_VERSION);
		dev_warn(&client->dev,
			"but the device has firmware version %hu.\n",
			radio->registers[CHIPID] & CHIPID_FIRMWARE);
		version_warning = 1;
	}

	/* give out version warning */
	if (version_warning == 1) {
		dev_warn(&client->dev,
			"If you have some trouble using this driver,\n");
		dev_warn(&client->dev,
			"please report to V4L ML at "
			"[email protected]\n");
	}

	/* set initial frequency */
	si470x_set_freq(radio, 87.5 * FREQ_MUL); /* available in all regions */

	/* rds buffer allocation */
	radio->buf_size = rds_buf * 3;
	radio->buffer = kmalloc(radio->buf_size, GFP_KERNEL);
	if (!radio->buffer) {
		retval = -EIO;
		goto err_video;
	}

	/* rds buffer configuration */
	radio->wr_index = 0;
	radio->rd_index = 0;
	init_waitqueue_head(&radio->read_queue);

	/* mark Seek/Tune Complete Interrupt enabled */
	radio->stci_enabled = true;
	init_completion(&radio->completion);

	retval = request_threaded_irq(client->irq, NULL, si470x_i2c_interrupt,
			IRQF_TRIGGER_FALLING, DRIVER_NAME, radio);
	if (retval) {
		dev_err(&client->dev, "Failed to register interrupt\n");
		goto err_rds;
	}

	/* register video device */
	retval = video_register_device(radio->videodev, VFL_TYPE_RADIO,
			radio_nr);
	if (retval) {
		dev_warn(&client->dev, "Could not register video device\n");
		goto err_all;
	}
	i2c_set_clientdata(client, radio);
//.........这里部分代码省略.........
开发者ID:openube，项目名称:android_kernel_sony_c2305，代码行数:101，代码来源:radio-si470x-i2c.c


示例17: si470x_set_seek

/*
 * si470x_set_seek - set seek
 */
static int si470x_set_seek(struct si470x_device *radio,
			   struct v4l2_hw_freq_seek *seek)
{
	int band, retval;
	unsigned int freq;
	bool timed_out = 0;

	/* set band */
	if (seek->rangelow || seek->rangehigh) {
		for (band = 0; band < ARRAY_SIZE(bands); band++) {
			if (bands[band].rangelow  == seek->rangelow &&
			    bands[band].rangehigh == seek->rangehigh)
				break;
		}
		if (band == ARRAY_SIZE(bands))
			return -EINVAL; /* No matching band found */
	} else
		band = 1; /* If nothing is specified seek 76 - 108 Mhz */

	if (radio->band != band) {
		retval = si470x_get_freq(radio, &freq);
		if (retval)
			return retval;
		retval = si470x_set_band(radio, band);
		if (retval)
			return retval;
		retval = si470x_set_freq(radio, freq);
		if (retval)
			return retval;
	}

	/* start seeking */
	radio->registers[POWERCFG] |= POWERCFG_SEEK;
	if (seek->wrap_around)
		radio->registers[POWERCFG] &= ~POWERCFG_SKMODE;
	else
		radio->registers[POWERCFG] |= POWERCFG_SKMODE;
	if (seek->seek_upward)
		radio->registers[POWERCFG] |= POWERCFG_SEEKUP;
	else
		radio->registers[POWERCFG] &= ~POWERCFG_SEEKUP;
	retval = si470x_set_register(radio, POWERCFG);
	if (retval < 0)
		return retval;

	/* wait till tune operation has completed */
	INIT_COMPLETION(radio->completion);
	retval = wait_for_completion_timeout(&radio->completion,
			msecs_to_jiffies(seek_timeout));
	if (!retval)
		timed_out = true;

	if ((radio->registers[STATUSRSSI] & STATUSRSSI_STC) == 0)
		dev_warn(&radio->videodev.dev, "seek does not complete\n");
	if (radio->registers[STATUSRSSI] & STATUSRSSI_SF)
		dev_warn(&radio->videodev.dev,
			"seek failed / band limit reached\n");

	/* stop seeking */
	radio->registers[POWERCFG] &= ~POWERCFG_SEEK;
	retval = si470x_set_register(radio, POWERCFG);

	/* try again, if timed out */
	if (retval == 0 && timed_out)
		return -ENODATA;
	return retval;
}
开发者ID:AmesianX，项目名称:netlink-mmap，代码行数:70，代码来源:radio-si470x-common.c



注：本文中的si470x_set_register函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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