media: em28xx: stop rewriting device's struct

Writing at the device's struct is evil, as two em28xx devices
may be using it. So, stop abusing it, storing the values
inside struct em28xx_dev.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index 996e899..bb6a848 100644 (file)
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -2712,6 +2712,8 @@ static inline void em28xx_set_xclk_i2c_speed(struct em28xx *dev)
 static inline void em28xx_set_model(struct em28xx *dev)
 {
        dev->board = em28xx_boards[dev->model];
+       dev->has_msp34xx = dev->board.has_msp34xx;
+       dev->is_webcam = dev->board.is_webcam;
 
        em28xx_set_xclk_i2c_speed(dev);
 
@@ -2871,7 +2873,7 @@ static int em28xx_hint_board(struct em28xx *dev)
 {
        int i;
 
-       if (dev->board.is_webcam) {
+       if (dev->is_webcam) {
                if (dev->em28xx_sensor == EM28XX_MT9V011) {
                        dev->model = EM2820_BOARD_SILVERCREST_WEBCAM;
                } else if (dev->em28xx_sensor == EM28XX_MT9M001 ||
@@ -2963,11 +2965,11 @@ static void em28xx_card_setup(struct em28xx *dev)
         * If the device can be a webcam, seek for a sensor.
         * If sensor is not found, then it isn't a webcam.
         */
-       if (dev->board.is_webcam) {
+       if (dev->is_webcam) {
                em28xx_detect_sensor(dev);
                if (dev->em28xx_sensor == EM28XX_NOSENSOR)
                        /* NOTE: error/unknown sensor/no sensor */
-                       dev->board.is_webcam = 0;
+                       dev->is_webcam = 0;
        }
 
        switch (dev->model) {
@@ -3029,7 +3031,7 @@ static void em28xx_card_setup(struct em28xx *dev)
 
                if (tv.audio_processor == TVEEPROM_AUDPROC_MSP) {
                        dev->i2s_speed = 2048000;
-                       dev->board.has_msp34xx = 1;
+                       dev->has_msp34xx = 1;
                }
                break;
        }
@@ -3742,7 +3744,7 @@ static int em28xx_usb_probe(struct usb_interface *interface,
        }
 
        if (usb_xfer_mode < 0) {
-               if (dev->board.is_webcam)
+               if (dev->is_webcam)
                        try_bulk = 1;
                else
                        try_bulk = 0;
@@ -3794,7 +3796,7 @@ static int em28xx_usb_probe(struct usb_interface *interface,
                dev->dev_next->board.has_ir_i2c = 0; /* No IR for 2nd tuner */
 
                if (usb_xfer_mode < 0) {
-                       if (dev->dev_next->board.is_webcam)
+                       if (dev->dev_next->is_webcam)
                                try_bulk = 1;
                        else
                                try_bulk = 0;

diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c
index 69c74fe..0ea1d72 100644 (file)
--- a/drivers/media/usb/em28xx/em28xx-core.c
+++ b/drivers/media/usb/em28xx/em28xx-core.c
@@ -378,7 +378,7 @@ static int em28xx_set_audio_source(struct em28xx *dev)
                        return ret;
        }
 
-       if (dev->board.has_msp34xx)
+       if (dev->has_msp34xx)
                input = EM28XX_AUDIO_SRC_TUNER;
        else {
                switch (dev->ctl_ainput) {
@@ -672,7 +672,7 @@ int em28xx_capture_start(struct em28xx *dev, int start)
                        return rc;
 
                if (start) {
-                       if (dev->board.is_webcam)
+                       if (dev->is_webcam)
                                rc = em28xx_write_reg(dev, 0x13, 0x0c);
 
                        /* Enable video capture */

diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 2724e3b..3744c31 100644 (file)
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -148,7 +148,7 @@ static inline unsigned int norm_maxw(struct em28xx *dev)
 {
        struct em28xx_v4l2 *v4l2 = dev->v4l2;
 
-       if (dev->board.is_webcam)
+       if (dev->is_webcam)
                return v4l2->sensor_xres;
 
        if (dev->board.max_range_640_480)
@@ -161,7 +161,7 @@ static inline unsigned int norm_maxh(struct em28xx *dev)
 {
        struct em28xx_v4l2 *v4l2 = dev->v4l2;
 
-       if (dev->board.is_webcam)
+       if (dev->is_webcam)
                return v4l2->sensor_yres;
 
        if (dev->board.max_range_640_480)
@@ -176,7 +176,7 @@ static int em28xx_vbi_supported(struct em28xx *dev)
        if (disable_vbi == 1)
                return 0;
 
-       if (dev->board.is_webcam)
+       if (dev->is_webcam)
                return 0;
 
        /* FIXME: check subdevices for VBI support */
@@ -976,7 +976,7 @@ static void em28xx_v4l2_create_entities(struct em28xx *dev)
        }
 
        /* Webcams don't have input connectors */
-       if (dev->board.is_webcam)
+       if (dev->is_webcam)
                return;
 
        /* Create entities for each input connector */
@@ -1277,7 +1277,7 @@ static void video_mux(struct em28xx *dev, int index)
        v4l2_device_call_all(v4l2_dev, 0, video, s_routing,
                             INPUT(index)->vmux, 0, 0);
 
-       if (dev->board.has_msp34xx) {
+       if (dev->has_msp34xx) {
                if (dev->i2s_speed) {
                        v4l2_device_call_all(v4l2_dev, 0, audio,
                                             s_i2s_clock_freq, dev->i2s_speed);
@@ -1593,7 +1593,7 @@ static int vidioc_g_parm(struct file *file, void *priv,
 
        p->parm.capture.readbuffers = EM28XX_MIN_BUF;
        p->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
-       if (dev->board.is_webcam) {
+       if (dev->is_webcam) {
                rc = v4l2_device_call_until_err(&v4l2->v4l2_dev, 0,
                                                video, g_frame_interval, &ival);
                if (!rc)
@@ -1616,7 +1616,7 @@ static int vidioc_s_parm(struct file *file, void *priv,
        };
        int rc = 0;
 
-       if (!dev->board.is_webcam)
+       if (!dev->is_webcam)
                return -ENOTTY;
 
        if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
@@ -1655,7 +1655,7 @@ static int vidioc_enum_input(struct file *file, void *priv,
 
        i->std = dev->v4l2->vdev.tvnorms;
        /* webcams do not have the STD API */
-       if (dev->board.is_webcam)
+       if (dev->is_webcam)
                i->capabilities = 0;
 
        return 0;
@@ -2369,7 +2369,7 @@ static void em28xx_vdev_init(struct em28xx *dev,
        *vfd            = *template;
        vfd->v4l2_dev   = &dev->v4l2->v4l2_dev;
        vfd->lock       = &dev->lock;
-       if (dev->board.is_webcam)
+       if (dev->is_webcam)
                vfd->tvnorms = 0;
 
        snprintf(vfd->name, sizeof(vfd->name), "%s %s",
@@ -2484,7 +2484,7 @@ static int em28xx_v4l2_init(struct em28xx *dev)
        v4l2_ctrl_handler_init(hdl, 8);
        v4l2->v4l2_dev.ctrl_handler = hdl;
 
-       if (dev->board.is_webcam)
+       if (dev->is_webcam)
                v4l2->progressive = true;
 
        /*
@@ -2496,7 +2496,7 @@ static int em28xx_v4l2_init(struct em28xx *dev)
 
        /* request some modules */
 
-       if (dev->board.has_msp34xx)
+       if (dev->has_msp34xx)
                v4l2_i2c_new_subdev(&v4l2->v4l2_dev,
                                    &dev->i2c_adap[dev->def_i2c_bus],
                                    "msp3400", 0, msp3400_addrs);
@@ -2585,7 +2585,7 @@ static int em28xx_v4l2_init(struct em28xx *dev)
        INIT_LIST_HEAD(&dev->vidq.active);
        INIT_LIST_HEAD(&dev->vbiq.active);
 
-       if (dev->board.has_msp34xx) {
+       if (dev->has_msp34xx) {
                /* Send a reset to other chips via gpio */
                ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xf7);
                if (ret < 0) {
@@ -2679,7 +2679,7 @@ static int em28xx_v4l2_init(struct em28xx *dev)
        v4l2->vdev.queue->lock = &v4l2->vb_queue_lock;
 
        /* disable inapplicable ioctls */
-       if (dev->board.is_webcam) {
+       if (dev->is_webcam) {
                v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_QUERYSTD);
                v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_G_STD);
                v4l2_disable_ioctl(&v4l2->vdev, VIDIOC_S_STD);

diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h
index a52f23e..b640fb0 100644 (file)
--- a/drivers/media/usb/em28xx/em28xx.h
+++ b/drivers/media/usb/em28xx/em28xx.h
@@ -623,6 +623,8 @@ struct em28xx {
        unsigned char disconnected:1;   /* device has been diconnected */
        unsigned int has_video:1;
        unsigned int is_audio_only:1;
+       unsigned int is_webcam:1;
+       unsigned int has_msp34xx:1;
        enum em28xx_int_audio_type int_audio_type;
        enum em28xx_usb_audio_type usb_audio_type;
        unsigned char name[32];