mirror of https://gitee.com/openkylin/linux.git
V4L/DVB: gspca - sn9c20x: use gspca's input device handling
Drop custom code for handling the input button in favor of using gspca's input hanlding mechinism. Signed-off-by: Brian Johnson <brijohn@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab
parent
ad98c0f674
commit
a39db27a08
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@ -172,12 +172,6 @@ config USB_GSPCA_SN9C20X
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To compile this driver as a module, choose M here: the
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module will be called gspca_sn9c20x.
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config USB_GSPCA_SN9C20X_EVDEV
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bool "Enable evdev support"
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depends on USB_GSPCA_SN9C20X && INPUT
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---help---
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Say Y here in order to enable evdev support for sn9c20x webcam button.
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config USB_GSPCA_SONIXB
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tristate "SONIX Bayer USB Camera Driver"
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depends on VIDEO_V4L2 && USB_GSPCA
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@ -18,10 +18,7 @@
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifdef CONFIG_USB_GSPCA_SN9C20X_EVDEV
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#include <linux/kthread.h>
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#include <linux/freezer.h>
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#include <linux/usb/input.h>
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#ifdef CONFIG_INPUT
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#include <linux/input.h>
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#include <linux/slab.h>
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#endif
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@ -55,6 +52,9 @@ MODULE_LICENSE("GPL");
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#define SENSOR_HV7131R 10
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#define SENSOR_MT9VPRB 20
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/* camera flags */
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#define HAS_BUTTON 0x1
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/* specific webcam descriptor */
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struct sd {
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struct gspca_dev gspca_dev;
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@ -88,11 +88,7 @@ struct sd {
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u8 *jpeg_hdr;
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u8 quality;
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#ifdef CONFIG_USB_GSPCA_SN9C20X_EVDEV
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struct input_dev *input_dev;
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u8 input_gpio;
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struct task_struct *input_task;
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#endif
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u8 flags;
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};
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struct i2c_reg_u8 {
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@ -1421,87 +1417,6 @@ static int hv7131r_init_sensor(struct gspca_dev *gspca_dev)
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return 0;
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}
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#ifdef CONFIG_USB_GSPCA_SN9C20X_EVDEV
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static int input_kthread(void *data)
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{
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struct gspca_dev *gspca_dev = (struct gspca_dev *)data;
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struct sd *sd = (struct sd *) gspca_dev;
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DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wait);
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set_freezable();
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for (;;) {
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if (kthread_should_stop())
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break;
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if (reg_r(gspca_dev, 0x1005, 1) < 0)
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continue;
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input_report_key(sd->input_dev,
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KEY_CAMERA,
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gspca_dev->usb_buf[0] & sd->input_gpio);
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input_sync(sd->input_dev);
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wait_event_freezable_timeout(wait,
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kthread_should_stop(),
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msecs_to_jiffies(100));
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}
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return 0;
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}
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static int sn9c20x_input_init(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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if (sd->input_gpio == 0)
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return 0;
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sd->input_dev = input_allocate_device();
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if (!sd->input_dev)
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return -ENOMEM;
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sd->input_dev->name = "SN9C20X Webcam";
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sd->input_dev->phys = kasprintf(GFP_KERNEL, "usb-%s-%s",
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gspca_dev->dev->bus->bus_name,
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gspca_dev->dev->devpath);
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if (!sd->input_dev->phys)
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return -ENOMEM;
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usb_to_input_id(gspca_dev->dev, &sd->input_dev->id);
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sd->input_dev->dev.parent = &gspca_dev->dev->dev;
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set_bit(EV_KEY, sd->input_dev->evbit);
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set_bit(KEY_CAMERA, sd->input_dev->keybit);
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if (input_register_device(sd->input_dev))
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return -EINVAL;
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sd->input_task = kthread_run(input_kthread, gspca_dev, "sn9c20x/%s-%s",
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gspca_dev->dev->bus->bus_name,
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gspca_dev->dev->devpath);
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if (IS_ERR(sd->input_task))
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return -EINVAL;
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return 0;
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}
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static void sn9c20x_input_cleanup(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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if (sd->input_task != NULL && !IS_ERR(sd->input_task))
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kthread_stop(sd->input_task);
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if (sd->input_dev != NULL) {
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input_unregister_device(sd->input_dev);
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kfree(sd->input_dev->phys);
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input_free_device(sd->input_dev);
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sd->input_dev = NULL;
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}
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}
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#endif
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static int set_cmatrix(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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@ -2005,6 +1920,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
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sd->sensor = (id->driver_info >> 8) & 0xff;
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sd->i2c_addr = id->driver_info & 0xff;
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sd->flags = (id->driver_info >> 16) & 0xff;
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switch (sd->sensor) {
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case SENSOR_MT9M111:
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@ -2039,11 +1955,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
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sd->quality = 95;
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#ifdef CONFIG_USB_GSPCA_SN9C20X_EVDEV
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sd->input_gpio = (id->driver_info >> 16) & 0xff;
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if (sn9c20x_input_init(gspca_dev) < 0)
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return -ENODEV;
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#endif
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return 0;
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}
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@ -2343,6 +2254,24 @@ static void sd_dqcallback(struct gspca_dev *gspca_dev)
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do_autoexposure(gspca_dev, avg_lum);
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}
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#ifdef CONFIG_INPUT
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static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
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u8 *data, /* interrupt packet */
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int len) /* interrupt packet length */
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{
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struct sd *sd = (struct sd *) gspca_dev;
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int ret = -EINVAL;
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if (sd->flags & HAS_BUTTON && len == 1) {
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input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);
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input_sync(gspca_dev->input_dev);
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input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
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input_sync(gspca_dev->input_dev);
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ret = 0;
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}
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return ret;
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}
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#endif
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static void sd_pkt_scan(struct gspca_dev *gspca_dev,
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u8 *data, /* isoc packet */
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int len) /* iso packet length */
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@ -2409,6 +2338,9 @@ static const struct sd_desc sd_desc = {
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.stopN = sd_stopN,
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.stop0 = sd_stop0,
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.pkt_scan = sd_pkt_scan,
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#ifdef CONFIG_INPUT
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.int_pkt_scan = sd_int_pkt_scan,
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#endif
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.dq_callback = sd_dqcallback,
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#ifdef CONFIG_VIDEO_ADV_DEBUG
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.set_register = sd_dbg_s_register,
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@ -2417,8 +2349,8 @@ static const struct sd_desc sd_desc = {
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.get_chip_ident = sd_chip_ident,
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};
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#define SN9C20X(sensor, i2c_addr, button_mask) \
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.driver_info = (button_mask << 16) \
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#define SN9C20X(sensor, i2c_addr, flags) \
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.driver_info = (flags << 16) \
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| (SENSOR_ ## sensor << 8) \
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| (i2c_addr)
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@ -2426,7 +2358,7 @@ static const __devinitdata struct usb_device_id device_table[] = {
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{USB_DEVICE(0x0c45, 0x6240), SN9C20X(MT9M001, 0x5d, 0)},
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{USB_DEVICE(0x0c45, 0x6242), SN9C20X(MT9M111, 0x5d, 0)},
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{USB_DEVICE(0x0c45, 0x6248), SN9C20X(OV9655, 0x30, 0)},
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{USB_DEVICE(0x0c45, 0x624e), SN9C20X(SOI968, 0x30, 0x10)},
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{USB_DEVICE(0x0c45, 0x624e), SN9C20X(SOI968, 0x30, HAS_BUTTON)},
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{USB_DEVICE(0x0c45, 0x624f), SN9C20X(OV9650, 0x30, 0)},
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{USB_DEVICE(0x0c45, 0x6251), SN9C20X(OV9650, 0x30, 0)},
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{USB_DEVICE(0x0c45, 0x6253), SN9C20X(OV9650, 0x30, 0)},
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@ -2437,13 +2369,13 @@ static const __devinitdata struct usb_device_id device_table[] = {
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{USB_DEVICE(0x0c45, 0x627f), SN9C20X(OV9650, 0x30, 0)},
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{USB_DEVICE(0x0c45, 0x6280), SN9C20X(MT9M001, 0x5d, 0)},
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{USB_DEVICE(0x0c45, 0x6282), SN9C20X(MT9M111, 0x5d, 0)},
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{USB_DEVICE(0x0c45, 0x6288), SN9C20X(OV9655, 0x30, 0)},
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{USB_DEVICE(0x0c45, 0x6288), SN9C20X(OV9655, 0x30, HAS_BUTTON)},
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{USB_DEVICE(0x0c45, 0x628e), SN9C20X(SOI968, 0x30, 0)},
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{USB_DEVICE(0x0c45, 0x628f), SN9C20X(OV9650, 0x30, 0)},
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{USB_DEVICE(0x0c45, 0x62a0), SN9C20X(OV7670, 0x21, 0)},
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{USB_DEVICE(0x0c45, 0x62b0), SN9C20X(MT9VPRB, 0x00, 0)},
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{USB_DEVICE(0x0c45, 0x62b3), SN9C20X(OV9655, 0x30, 0)},
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{USB_DEVICE(0x0c45, 0x62bb), SN9C20X(OV7660, 0x21, 0)},
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{USB_DEVICE(0x0c45, 0x62bb), SN9C20X(OV7660, 0x21, HAS_BUTTON)},
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{USB_DEVICE(0x0c45, 0x62bc), SN9C20X(HV7131R, 0x11, 0)},
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{USB_DEVICE(0x045e, 0x00f4), SN9C20X(OV9650, 0x30, 0)},
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{USB_DEVICE(0x145f, 0x013d), SN9C20X(OV7660, 0x21, 0)},
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@ -2452,7 +2384,7 @@ static const __devinitdata struct usb_device_id device_table[] = {
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{USB_DEVICE(0xa168, 0x0611), SN9C20X(HV7131R, 0x11, 0)},
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{USB_DEVICE(0xa168, 0x0613), SN9C20X(HV7131R, 0x11, 0)},
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{USB_DEVICE(0xa168, 0x0618), SN9C20X(HV7131R, 0x11, 0)},
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{USB_DEVICE(0xa168, 0x0614), SN9C20X(MT9M111, 0x5d, 0)},
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{USB_DEVICE(0xa168, 0x0614), SN9C20X(MT9M111, 0x5d, HAS_BUTTON)},
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{USB_DEVICE(0xa168, 0x0615), SN9C20X(MT9M111, 0x5d, 0)},
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{USB_DEVICE(0xa168, 0x0617), SN9C20X(MT9M111, 0x5d, 0)},
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{}
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@ -2467,22 +2399,11 @@ static int sd_probe(struct usb_interface *intf,
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THIS_MODULE);
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}
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static void sd_disconnect(struct usb_interface *intf)
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{
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#ifdef CONFIG_USB_GSPCA_SN9C20X_EVDEV
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struct gspca_dev *gspca_dev = usb_get_intfdata(intf);
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sn9c20x_input_cleanup(gspca_dev);
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#endif
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gspca_disconnect(intf);
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}
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static struct usb_driver sd_driver = {
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.name = MODULE_NAME,
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.id_table = device_table,
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.probe = sd_probe,
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.disconnect = sd_disconnect,
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.disconnect = gspca_disconnect,
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#ifdef CONFIG_PM
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.suspend = gspca_suspend,
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.resume = gspca_resume,
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