diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-20 09:37:45 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-20 09:37:45 -0700 |
commit | fb091be08d1acf184e8801dfdcace6e0cb19b1fe (patch) | |
tree | cbd0c4200fd8628d592167589ca790e36fc4ae26 /drivers/media/dvb/frontends/dib7000p.c | |
parent | bd7fc2f2d807fdb254f7efc542f8eec3f23e289e (diff) | |
parent | e8d0416796d43a950ec7b65629e53419b2e22453 (diff) |
Merge branch 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (534 commits)
V4L/DVB (13554a): v4l: Use the video_drvdata function in drivers
V4L/DVB: vivi and mem2mem_testdev need slab.h to build
V4L/DVB: tm6000: bugfix image position
V4L/DVB: IR/imon: remove dead IMON_KEY_RELEASE_OFFSET
V4L/DVB: tm6000: README - add vbi
V4L/DVB: Fix unlock logic at medusa_video_init
V4L/DVB: fix dvb frontend lockup
V4L/DVB: s2255drv: remove dead code
V4L/DVB: s2255drv: return if vdev not found
V4L/DVB: ov511: cleanup: remove unneeded null check
V4L/DVB: media/mem2mem: dereferencing free memory
V4L/DVB: media/IR: Add missing include file to rc-map.c
V4L/DVB: dvb/stv6110x: cleanup error handling
V4L/DVB: ngene: Add lgdt3303 and mt2131 deps to Kconfig
V4L/DVB: ngene: start separating out DVB functions into separate file
V4L/DVB: ngene: split out card specific code into a separate file
V4L/DVB: ngene: split out i2c code into a separate file
V4L/DVB: ngene: add initial support for digital side of Avermedia m780
V4L/DVB: ngene: properly support boards where channel 0 isn't a TS input
V4L-DVB: ngene: make sure that tuner headers are included
...
Diffstat (limited to 'drivers/media/dvb/frontends/dib7000p.c')
-rw-r--r-- | drivers/media/dvb/frontends/dib7000p.c | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/drivers/media/dvb/frontends/dib7000p.c b/drivers/media/dvb/frontends/dib7000p.c index 85468a45c344..2e28b973dfd3 100644 --- a/drivers/media/dvb/frontends/dib7000p.c +++ b/drivers/media/dvb/frontends/dib7000p.c @@ -1324,46 +1324,54 @@ EXPORT_SYMBOL(dib7000p_pid_filter); int dib7000p_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib7000p_config cfg[]) { - struct dib7000p_state st = { .i2c_adap = i2c }; + struct dib7000p_state *dpst; int k = 0; u8 new_addr = 0; + dpst = kzalloc(sizeof(struct dib7000p_state), GFP_KERNEL); + if (!dpst) + return -ENOMEM; + + dpst->i2c_adap = i2c; + for (k = no_of_demods-1; k >= 0; k--) { - st.cfg = cfg[k]; + dpst->cfg = cfg[k]; /* designated i2c address */ new_addr = (0x40 + k) << 1; - st.i2c_addr = new_addr; - dib7000p_write_word(&st, 1287, 0x0003); /* sram lead in, rdy */ - if (dib7000p_identify(&st) != 0) { - st.i2c_addr = default_addr; - dib7000p_write_word(&st, 1287, 0x0003); /* sram lead in, rdy */ - if (dib7000p_identify(&st) != 0) { + dpst->i2c_addr = new_addr; + dib7000p_write_word(dpst, 1287, 0x0003); /* sram lead in, rdy */ + if (dib7000p_identify(dpst) != 0) { + dpst->i2c_addr = default_addr; + dib7000p_write_word(dpst, 1287, 0x0003); /* sram lead in, rdy */ + if (dib7000p_identify(dpst) != 0) { dprintk("DiB7000P #%d: not identified\n", k); + kfree(dpst); return -EIO; } } /* start diversity to pull_down div_str - just for i2c-enumeration */ - dib7000p_set_output_mode(&st, OUTMODE_DIVERSITY); + dib7000p_set_output_mode(dpst, OUTMODE_DIVERSITY); /* set new i2c address and force divstart */ - dib7000p_write_word(&st, 1285, (new_addr << 2) | 0x2); + dib7000p_write_word(dpst, 1285, (new_addr << 2) | 0x2); dprintk("IC %d initialized (to i2c_address 0x%x)", k, new_addr); } for (k = 0; k < no_of_demods; k++) { - st.cfg = cfg[k]; - st.i2c_addr = (0x40 + k) << 1; + dpst->cfg = cfg[k]; + dpst->i2c_addr = (0x40 + k) << 1; // unforce divstr - dib7000p_write_word(&st, 1285, st.i2c_addr << 2); + dib7000p_write_word(dpst, 1285, dpst->i2c_addr << 2); /* deactivate div - it was just for i2c-enumeration */ - dib7000p_set_output_mode(&st, OUTMODE_HIGH_Z); + dib7000p_set_output_mode(dpst, OUTMODE_HIGH_Z); } + kfree(dpst); return 0; } EXPORT_SYMBOL(dib7000p_i2c_enumeration); |