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| author | Michael Krufky <mkrufky@linuxtv.org> | 2008-04-22 17:42:05 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-24 17:07:43 (GMT) |
| commit | ab6c46e24a3c89c1e2d0d3959e119583e1bc92d9 (patch) | |
| tree | c64ba84af1ec78289a9022874566605765a2010a | |
| parent | bdb0aace95d42571ea054a56ed053f868336e13a (diff) | |
| download | linux-ab6c46e24a3c89c1e2d0d3959e119583e1bc92d9.tar.xz | |
V4L/DVB (7184): make hybrid_tuner_request_state tolerant of devices without i2c adapters
Some dvb demodulators access the tuner directly without using i2c.
In these cases, i2c_adap may be NULL. This patch fixes
hybrid_tuner_request_state to allow for NULL i2c_adapters.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | drivers/media/video/tuner-i2c.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/media/video/tuner-i2c.h b/drivers/media/video/tuner-i2c.h index c53c327..60ba794 100644 --- a/drivers/media/video/tuner-i2c.h +++ b/drivers/media/video/tuner-i2c.h @@ -83,7 +83,8 @@ static inline int tuner_i2c_xfer_send_recv(struct tuner_i2c_props *props, #define tuner_printk(kernlvl, i2cprops, fmt, arg...) do { \ printk(kernlvl "%s %d-%04x: " fmt, i2cprops.name, \ - i2c_adapter_id(i2cprops.adap), \ + i2cprops.adap ? \ + i2c_adapter_id(i2cprops.adap) : -1, \ i2cprops.addr, ##arg); \ } while (0) @@ -128,9 +129,10 @@ static inline int tuner_i2c_xfer_send_recv(struct tuner_i2c_props *props, ({ \ int __ret = 0; \ list_for_each_entry(state, &list, hybrid_tuner_instance_list) { \ - if ((i2c_adapter_id(state->i2c_props.adap) == \ - i2c_adapter_id(i2cadap)) && \ - (state->i2c_props.addr == i2caddr)) { \ + if ((state->i2c_props.addr == i2caddr) && \ + ((state->i2c_props.adap ? \ + i2c_adapter_id(state->i2c_props.adap) : -1) == \ + (i2cadap ? i2c_adapter_id(i2cadap) : -1))) { \ __tuner_info(state->i2c_props, \ "attaching existing instance\n"); \ state->i2c_props.count++; \ |