diff options
author | Michael Krufky <mkrufky@linuxtv.org> | 2008-04-22 14:46:06 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-24 14:07:52 -0300 |
commit | 5555309c9adcf9bb7f6b449ef45b09d5c26ef4ae (patch) | |
tree | 43cde0dd327dffe23bcbaf9612e64299566f7485 /drivers/media/dvb/frontends/tda18271-common.c | |
parent | ab8b870e430d3e2cfb299f81e0ae0aef7fe5bfda (diff) |
V4L/DVB (7383): tda18271: add attach-time parameter to limit i2c transfer size
Add attach-time parameter, "small_i2c" to limit i2c transfer size to write
at most 16 registers at a time during initialization.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb/frontends/tda18271-common.c')
-rw-r--r-- | drivers/media/dvb/frontends/tda18271-common.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/dvb/frontends/tda18271-common.c b/drivers/media/dvb/frontends/tda18271-common.c index 39496463ccf..bbfc22a5f6d 100644 --- a/drivers/media/dvb/frontends/tda18271-common.c +++ b/drivers/media/dvb/frontends/tda18271-common.c @@ -311,7 +311,12 @@ int tda18271_init_regs(struct dvb_frontend *fe) regs[R_EB22] = 0x48; regs[R_EB23] = 0xb0; - tda18271_write_regs(fe, 0x00, TDA18271_NUM_REGS); + if (priv->small_i2c) { + tda18271_write_regs(fe, 0x00, 0x10); + tda18271_write_regs(fe, 0x10, 0x10); + tda18271_write_regs(fe, 0x20, 0x07); + } else + tda18271_write_regs(fe, 0x00, TDA18271_NUM_REGS); /* setup agc1 gain */ regs[R_EB17] = 0x00; |