summaryrefslogtreecommitdiffstats
path: root/drivers/media/video
diff options
context:
space:
mode:
authorJean Delvare <khali@linux-fr.org>2010-08-11 18:20:57 +0200
committerJean Delvare <khali@linux-fr.org>2010-08-11 18:20:57 +0200
commitd44f19d586b6113fb5db10e1a36457f0db3b01aa (patch)
treed1bd292c092874aad3cd97faea3baf7599d6ae02 /drivers/media/video
parent9a94241afcc9a481691a9c29b7460217925b59b8 (diff)
downloadlinux-d44f19d586b6113fb5db10e1a36457f0db3b01aa.tar.gz
linux-d44f19d586b6113fb5db10e1a36457f0db3b01aa.tar.bz2
linux-d44f19d586b6113fb5db10e1a36457f0db3b01aa.zip
V4L/DVB: Use custom I2C probing function mechanism
Now that i2c-core offers the possibility to provide custom probing function for I2C devices, let's make use of it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video')
-rw-r--r--drivers/media/video/cx23885/cx23885-i2c.c15
-rw-r--r--drivers/media/video/cx88/cx88-i2c.c19
2 files changed, 8 insertions, 26 deletions
diff --git a/drivers/media/video/cx23885/cx23885-i2c.c b/drivers/media/video/cx23885/cx23885-i2c.c
index 1a391486e551..ed3d8f55029b 100644
--- a/drivers/media/video/cx23885/cx23885-i2c.c
+++ b/drivers/media/video/cx23885/cx23885-i2c.c
@@ -364,17 +364,10 @@ int cx23885_i2c_register(struct cx23885_i2c *bus)
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
- /*
- * We can't call i2c_new_probed_device() because it uses
- * quick writes for probing and the IR receiver device only
- * replies to reads.
- */
- if (i2c_smbus_xfer(&bus->i2c_adap, addr_list[0], 0,
- I2C_SMBUS_READ, 0, I2C_SMBUS_QUICK,
- NULL) >= 0) {
- info.addr = addr_list[0];
- i2c_new_device(&bus->i2c_adap, &info);
- }
+ /* Use quick read command for probe, some IR chips don't
+ * support writes */
+ i2c_new_probed_device(&bus->i2c_adap, &info, addr_list,
+ i2c_probe_func_quick_read);
}
return bus->i2c_rc;
diff --git a/drivers/media/video/cx88/cx88-i2c.c b/drivers/media/video/cx88/cx88-i2c.c
index 375ad53f7961..82db555b22dd 100644
--- a/drivers/media/video/cx88/cx88-i2c.c
+++ b/drivers/media/video/cx88/cx88-i2c.c
@@ -193,24 +193,13 @@ void cx88_i2c_init_ir(struct cx88_core *core)
0x18, 0x6b, 0x71,
I2C_CLIENT_END
};
- const unsigned short *addrp;
memset(&info, 0, sizeof(struct i2c_board_info));
strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
- /*
- * We can't call i2c_new_probed_device() because it uses
- * quick writes for probing and at least some R receiver
- * devices only reply to reads.
- */
- for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) {
- if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0,
- I2C_SMBUS_READ, 0,
- I2C_SMBUS_QUICK, NULL) >= 0) {
- info.addr = *addrp;
- i2c_new_device(&core->i2c_adap, &info);
- break;
- }
- }
+ /* Use quick read command for probe, some IR chips don't
+ * support writes */
+ i2c_new_probed_device(&core->i2c_adap, &info, addr_list,
+ i2c_probe_func_quick_read);
}
}