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| author | Chris Metcalf <cmetcalf@tilera.com> | 2010-06-05 18:35:29 +0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2010-06-05 18:35:29 +0400 |
| commit | cc44826a26b12b2489bc7dbb597fcdf107f2cc01 (patch) | |
| tree | 98a7958212ac61345300944f512a949e5ee3e513 /drivers/media/video/cx88 | |
| parent | 482e6f8466ab1066f1a969bcdbe916b56439622c (diff) | |
| parent | 7f0d384cafabfbb56663ee6944c18fc0450fc5d6 (diff) | |
| download | linux-cc44826a26b12b2489bc7dbb597fcdf107f2cc01.tar.xz | |
Merge branch 'master' into for-linus
Diffstat (limited to 'drivers/media/video/cx88')
| -rw-r--r-- | drivers/media/video/cx88/cx88-i2c.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/media/video/cx88/cx88-i2c.c b/drivers/media/video/cx88/cx88-i2c.c index ee1ca39db06a..fb39f1184558 100644 --- a/drivers/media/video/cx88/cx88-i2c.c +++ b/drivers/media/video/cx88/cx88-i2c.c @@ -188,10 +188,24 @@ int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci) 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); - i2c_new_probed_device(&core->i2c_adap, &info, addr_list); + /* + * 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; + } + } } return core->i2c_rc; } |