aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb/dvb-usb
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb/dvb-usb')
-rw-r--r--drivers/media/dvb/dvb-usb/cxusb.c28
-rw-r--r--drivers/media/dvb/dvb-usb/cxusb.h2
-rw-r--r--drivers/media/dvb/dvb-usb/dibusb-common.c4
-rw-r--r--drivers/media/dvb/dvb-usb/digitv.c4
-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb-init.c4
-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb-urb.c4
-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb.h9
-rw-r--r--drivers/media/dvb/dvb-usb/vp702x.c4
-rw-r--r--drivers/media/dvb/dvb-usb/vp7045.c4
9 files changed, 33 insertions, 30 deletions
diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c
index 162f9795cd89..a14e737ec848 100644
--- a/drivers/media/dvb/dvb-usb/cxusb.c
+++ b/drivers/media/dvb/dvb-usb/cxusb.c
@@ -77,22 +77,23 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
struct dvb_usb_device *d = i2c_get_adapdata(adap);
int i;
- if (down_interruptible(&d->i2c_sem) < 0)
+ if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
if (num > 2)
- warn("more than 2 i2c messages at a time is not handled yet. TODO.");
+ warn("more than two i2c messages at a time is not handled yet. TODO.");
for (i = 0; i < num; i++) {
- switch (msg[i].addr) {
- case 0x63:
- cxusb_gpio_tuner(d,0);
- break;
- default:
- cxusb_gpio_tuner(d,1);
- break;
- }
+ if (d->udev->descriptor.idVendor == USB_VID_MEDION)
+ switch (msg[i].addr) {
+ case 0x63:
+ cxusb_gpio_tuner(d,0);
+ break;
+ default:
+ cxusb_gpio_tuner(d,1);
+ break;
+ }
/* read request */
if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
@@ -108,7 +109,7 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
break;
if (ibuf[0] != 0x08)
- deb_info("i2c read could have been failed\n");
+ deb_i2c("i2c read may have failed\n");
memcpy(msg[i+1].buf,&ibuf[1],msg[i+1].len);
@@ -122,11 +123,11 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
if (cxusb_ctrl_msg(d,CMD_I2C_WRITE, obuf, 2+msg[i].len, &ibuf,1) < 0)
break;
if (ibuf != 0x08)
- deb_info("i2c write could have been failed\n");
+ deb_i2c("i2c write may have failed\n");
}
}
- up(&d->i2c_sem);
+ mutex_unlock(&d->i2c_mutex);
return i;
}
@@ -410,7 +411,6 @@ static int bluebird_patch_dvico_firmware_download(struct usb_device *udev, const
if (fw->data[BLUEBIRD_01_ID_OFFSET] == (USB_VID_DVICO & 0xff) &&
fw->data[BLUEBIRD_01_ID_OFFSET + 1] == USB_VID_DVICO >> 8) {
- /* FIXME: are we allowed to change the fw-data ? */
fw->data[BLUEBIRD_01_ID_OFFSET + 2] = udev->descriptor.idProduct + 1;
fw->data[BLUEBIRD_01_ID_OFFSET + 3] = udev->descriptor.idProduct >> 8;
diff --git a/drivers/media/dvb/dvb-usb/cxusb.h b/drivers/media/dvb/dvb-usb/cxusb.h
index 087c99427853..c8ef77554b00 100644
--- a/drivers/media/dvb/dvb-usb/cxusb.h
+++ b/drivers/media/dvb/dvb-usb/cxusb.h
@@ -6,6 +6,8 @@
extern int dvb_usb_cxusb_debug;
#define deb_info(args...) dprintk(dvb_usb_cxusb_debug,0x01,args)
+#define deb_i2c(args...) if (d->udev->descriptor.idVendor == USB_VID_MEDION) \
+ dprintk(dvb_usb_cxusb_debug,0x01,args)
/* usb commands - some of it are guesses, don't have a reference yet */
#define CMD_I2C_WRITE 0x08
diff --git a/drivers/media/dvb/dvb-usb/dibusb-common.c b/drivers/media/dvb/dvb-usb/dibusb-common.c
index 269d899da488..2d52b76671d3 100644
--- a/drivers/media/dvb/dvb-usb/dibusb-common.c
+++ b/drivers/media/dvb/dvb-usb/dibusb-common.c
@@ -128,7 +128,7 @@ static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
struct dvb_usb_device *d = i2c_get_adapdata(adap);
int i;
- if (down_interruptible(&d->i2c_sem) < 0)
+ if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
if (num > 2)
@@ -146,7 +146,7 @@ static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
break;
}
- up(&d->i2c_sem);
+ mutex_unlock(&d->i2c_mutex);
return i;
}
diff --git a/drivers/media/dvb/dvb-usb/digitv.c b/drivers/media/dvb/dvb-usb/digitv.c
index caa1346e3063..91136c00ce9d 100644
--- a/drivers/media/dvb/dvb-usb/digitv.c
+++ b/drivers/media/dvb/dvb-usb/digitv.c
@@ -48,7 +48,7 @@ static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
struct dvb_usb_device *d = i2c_get_adapdata(adap);
int i;
- if (down_interruptible(&d->i2c_sem) < 0)
+ if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
if (num > 2)
@@ -67,7 +67,7 @@ static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
break;
}
- up(&d->i2c_sem);
+ mutex_unlock(&d->i2c_mutex);
return i;
}
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-init.c b/drivers/media/dvb/dvb-usb/dvb-usb-init.c
index ce34a55e5c24..a1705ecb9a54 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-init.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-init.c
@@ -42,8 +42,8 @@ static int dvb_usb_init(struct dvb_usb_device *d)
{
int ret = 0;
- sema_init(&d->usb_sem, 1);
- sema_init(&d->i2c_sem, 1);
+ mutex_init(&d->usb_mutex);
+ mutex_init(&d->i2c_mutex);
d->state = DVB_USB_STATE_INIT;
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-urb.c b/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
index ee821974dc60..9002f35aa952 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-urb.c
@@ -21,7 +21,7 @@ int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
if (wbuf == NULL || wlen == 0)
return -EINVAL;
- if ((ret = down_interruptible(&d->usb_sem)))
+ if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
return ret;
deb_xfer(">>> ");
@@ -53,7 +53,7 @@ int dvb_usb_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
}
}
- up(&d->usb_sem);
+ mutex_unlock(&d->usb_mutex);
return ret;
}
EXPORT_SYMBOL(dvb_usb_generic_rw);
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb.h b/drivers/media/dvb/dvb-usb/dvb-usb.h
index d4909e5c67e0..fead958a57e3 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb.h
+++ b/drivers/media/dvb/dvb-usb/dvb-usb.h
@@ -12,6 +12,7 @@
#include <linux/input.h>
#include <linux/usb.h>
#include <linux/firmware.h>
+#include <linux/mutex.h>
#include "dvb_frontend.h"
#include "dvb_demux.h"
@@ -227,8 +228,8 @@ struct dvb_usb_properties {
* @feedcount: number of reqested feeds (used for streaming-activation)
* @pid_filtering: is hardware pid_filtering used or not.
*
- * @usb_sem: semaphore of USB control messages (reading needs two messages)
- * @i2c_sem: semaphore for i2c-transfers
+ * @usb_mutex: semaphore of USB control messages (reading needs two messages)
+ * @i2c_mutex: semaphore for i2c-transfers
*
* @i2c_adap: device's i2c_adapter if it uses I2CoverUSB
* @pll_addr: I2C address of the tuner for programming
@@ -283,10 +284,10 @@ struct dvb_usb_device {
int pid_filtering;
/* locking */
- struct semaphore usb_sem;
+ struct mutex usb_mutex;
/* i2c */
- struct semaphore i2c_sem;
+ struct mutex i2c_mutex;
struct i2c_adapter i2c_adap;
/* tuner programming information */
diff --git a/drivers/media/dvb/dvb-usb/vp702x.c b/drivers/media/dvb/dvb-usb/vp702x.c
index 4a95eca81c5c..b2f098a2d5f7 100644
--- a/drivers/media/dvb/dvb-usb/vp702x.c
+++ b/drivers/media/dvb/dvb-usb/vp702x.c
@@ -75,7 +75,7 @@ int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int il
{
int ret;
- if ((ret = down_interruptible(&d->usb_sem)))
+ if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
return ret;
if ((ret = vp702x_usb_out_op(d,REQUEST_OUT,0,0,o,olen)) < 0)
@@ -84,7 +84,7 @@ int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int il
ret = vp702x_usb_in_op(d,REQUEST_IN,0,0,i,ilen);
unlock:
- up(&d->usb_sem);
+ mutex_unlock(&d->usb_mutex);
return ret;
}
diff --git a/drivers/media/dvb/dvb-usb/vp7045.c b/drivers/media/dvb/dvb-usb/vp7045.c
index 3835235b68df..8ea3834a6cf8 100644
--- a/drivers/media/dvb/dvb-usb/vp7045.c
+++ b/drivers/media/dvb/dvb-usb/vp7045.c
@@ -38,7 +38,7 @@ int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in,
deb_xfer("out buffer: ");
debug_dump(outbuf,outlen+1,deb_xfer);
- if ((ret = down_interruptible(&d->usb_sem)))
+ if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
return ret;
if (usb_control_msg(d->udev,
@@ -68,7 +68,7 @@ int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in,
memcpy(in,&inbuf[1],inlen);
unlock:
- up(&d->usb_sem);
+ mutex_unlock(&d->usb_mutex);
return ret;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.