The probe method used by i2c_new_probed_device() may not be suitable
for all cases. Let the caller provide its own, optional probe
function.
Signed-off-by: Jean Delvare
Acked-by: Mauro Carvalho Chehab
---
Documentation/i2c/instantiating-devices |2 +-
drivers/i2c/i2c-core.c| 16 ++--
drivers/macintosh/therm_windtunnel.c |4 ++--
drivers/media/video/bt8xx/bttv-i2c.c |2 +-
drivers/media/video/cx18/cx18-i2c.c |3 ++-
drivers/media/video/em28xx/em28xx-cards.c |2 +-
drivers/media/video/ivtv/ivtv-i2c.c |9 +
drivers/media/video/v4l2-common.c |3 ++-
drivers/usb/host/ohci-pnx4008.c |2 +-
drivers/video/matrox/i2c-matroxfb.c |2 +-
include/linux/i2c.h |7 +--
11 files changed, 31 insertions(+), 21 deletions(-)
--- linux-2.6.35-rc1.orig/drivers/i2c/i2c-core.c2010-06-02
10:22:57.0 +0200
+++ linux-2.6.35-rc1/drivers/i2c/i2c-core.c 2010-06-02 18:41:29.0
+0200
@@ -1456,14 +1456,18 @@ static int i2c_detect(struct i2c_adapter
struct i2c_client *
i2c_new_probed_device(struct i2c_adapter *adap,
struct i2c_board_info *info,
- unsigned short const *addr_list)
+ unsigned short const *addr_list,
+ int (*probe)(struct i2c_adapter *, unsigned short addr))
{
int i;
- /* Stop here if the bus doesn't support probing */
- if (!i2c_check_functionality(adap, I2C_FUNC_SMBUS_READ_BYTE)) {
- dev_err(&adap->dev, "Probing not supported\n");
- return NULL;
+ if (!probe) {
+ /* Stop here if the bus doesn't support probing */
+ if (!i2c_check_functionality(adap, I2C_FUNC_SMBUS_READ_BYTE)) {
+ dev_err(&adap->dev, "Probing not supported\n");
+ return NULL;
+ }
+ probe = i2c_default_probe;
}
for (i = 0; addr_list[i] != I2C_CLIENT_END; i++) {
@@ -1482,7 +1486,7 @@ i2c_new_probed_device(struct i2c_adapter
}
/* Test address responsiveness */
- if (i2c_default_probe(adap, addr_list[i]))
+ if (probe(adap, addr_list[i]))
break;
}
--- linux-2.6.35-rc1.orig/drivers/macintosh/therm_windtunnel.c 2010-05-31
09:59:27.0 +0200
+++ linux-2.6.35-rc1/drivers/macintosh/therm_windtunnel.c 2010-06-02
18:41:29.0 +0200
@@ -322,10 +322,10 @@ do_attach( struct i2c_adapter *adapter )
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "therm_ds1775", I2C_NAME_SIZE);
- i2c_new_probed_device(adapter, &info, scan_ds1775);
+ i2c_new_probed_device(adapter, &info, scan_ds1775, NULL);
strlcpy(info.type, "therm_adm1030", I2C_NAME_SIZE);
- i2c_new_probed_device(adapter, &info, scan_adm1030);
+ i2c_new_probed_device(adapter, &info, scan_adm1030, NULL);
if( x.thermostat && x.fan ) {
x.running = 1;
--- linux-2.6.35-rc1.orig/drivers/media/video/bt8xx/bttv-i2c.c 2010-05-30
15:37:17.0 +0200
+++ linux-2.6.35-rc1/drivers/media/video/bt8xx/bttv-i2c.c 2010-06-02
18:41:29.0 +0200
@@ -411,7 +411,7 @@ void __devinit init_bttv_i2c_ir(struct b
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
- i2c_new_probed_device(&btv->c.i2c_adap, &info, addr_list);
+ i2c_new_probed_device(&btv->c.i2c_adap, &info, addr_list, NULL);
}
}
--- linux-2.6.35-rc1.orig/drivers/media/video/cx18/cx18-i2c.c 2010-05-31
09:59:28.0 +0200
+++ linux-2.6.35-rc1/drivers/media/video/cx18/cx18-i2c.c2010-06-02
18:41:29.0 +0200
@@ -117,7 +117,8 @@ static int cx18_i2c_new_ir(struct cx18 *
break;
}
- return i2c_new_probed_device(adap, &info, addr_list) == NULL ? -1 : 0;
+ return i2c_new_probed_device(adap, &info, addr_list, NULL) == NULL ?
+ -1 : 0;
}
int cx18_i2c_register(struct cx18 *cx, unsigned idx)
--- linux-2.6.35-rc1.orig/drivers/media/video/em28xx/em28xx-cards.c
2010-05-31 09:59:28.0 +0200
+++ linux-2.6.35-rc1/drivers/media/video/em28xx/em28xx-cards.c 2010-06-02
18:41:29.0 +0200
@@ -2357,7 +2357,7 @@ void em28xx_register_i2c_ir(struct em28x
if (dev->init_data.name)
info.platform_data = &dev->init_data;
- i2c_new_probed_device(&dev->i2c_adap, &info, addr_list);
+ i2c_new_probed_device(&dev->i2c_adap, &info, addr_list, NULL);
}
void em28xx_card_setup(struct em28xx *dev)
--- linux-2.6.35-rc1.orig/drivers/media/video/ivtv/ivtv-i2c.c 2010-05-31
09:59:28.0 +0200
+++ linux-2.6.35-rc1/drivers/media/video/ivtv