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authorLinus Torvalds <torvalds@linux-foundation.org>2012-05-24 10:21:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-24 10:21:51 -0700
commitab11ca34eea8fda7a1a9302d86f6ef6108ffd68f (patch)
tree987ec6c263f3dfa4a7a6f9ce4d5ece47cbc12e29 /drivers/media/dvb/frontends/m88rs2000.c
parentf9369910a6225b8d4892c3f20ae740a711cd5ace (diff)
parent71006fb22b0f5a2045605b3887ee99a0e9adafe4 (diff)
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - some V4L2 API updates needed by embedded devices - DVB API extensions for ATSC-MH delivery system, used in US for mobile TV - new tuners for fc0011/0012/0013 and tua9001 - a new dvb driver for af9033/9035 - a new ATSC-MH frontend (lg2160) - new remote controller keymaps - Removal of a few legacy webcam driver that got replaced by gspca on several kernel versions ago - a new driver for Exynos 4/5 webcams(s5pp fimc-lite) - a new webcam sensor driver (smiapp) - a new video input driver for embedded (sta2x1xx) - several improvements, fixes, cleanups, etc inside the drivers. Manually fix up conflicts due to err() -> dev_err() conversion in drivers/staging/media/easycap/easycap_main.c * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (484 commits) [media] saa7134-cards: Remove a PCI entry added by mistake [media] radio-sf16fmi: add support for SF16-FMD [media] rc-loopback: remove duplicate line [media] patch for Asus My Cinema PS3-100 (1043:48cd) [media] au0828: Move the Kconfig knob under V4L_USB_DRIVERS [media] em28xx: simple comment fix [media] [resend] radio-sf16fmr2: add PnP support for SF16-FMD2 [media] smiapp: Use v4l2_ctrl_new_int_menu() instead of v4l2_ctrl_new_custom() [media] smiapp: Add support for 8-bit uncompressed formats [media] smiapp: Allow generic quirk registers [media] smiapp: Use non-binning limits if the binning limit is zero [media] smiapp: Initialise rval in smiapp_read_nvm() [media] smiapp: Round minimum pre_pll up rather than down in ip_clk_freq check [media] smiapp: Use 8-bit reads only before identifying the sensor [media] smiapp: Quirk for sensors that only do 8-bit reads [media] smiapp: Pass struct sensor to register writing commands instead of i2c_client [media] smiapp: Allow using external clock from the clock framework [media] zl10353: change .read_snr() to report SNR as a 0.1 dB [media] media: add support to gspca/pac7302.c for 093a:2627 (Genius FaceCam 300) [media] m88rs2000 - only flip bit 2 on reg 0x70 on 16th try ...
Diffstat (limited to 'drivers/media/dvb/frontends/m88rs2000.c')
-rw-r--r--drivers/media/dvb/frontends/m88rs2000.c29
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/media/dvb/frontends/m88rs2000.c b/drivers/media/dvb/frontends/m88rs2000.c
index 045ee5a6f7a..312588e84da 100644
--- a/drivers/media/dvb/frontends/m88rs2000.c
+++ b/drivers/media/dvb/frontends/m88rs2000.c
@@ -416,9 +416,25 @@ static int m88rs2000_tab_set(struct m88rs2000_state *state,
static int m88rs2000_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t volt)
{
- deb_info("%s: %s\n", __func__,
- volt == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" :
- volt == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??");
+ struct m88rs2000_state *state = fe->demodulator_priv;
+ u8 data;
+
+ data = m88rs2000_demod_read(state, 0xb2);
+ data |= 0x03; /* bit0 V/H, bit1 off/on */
+
+ switch (volt) {
+ case SEC_VOLTAGE_18:
+ data &= ~0x03;
+ break;
+ case SEC_VOLTAGE_13:
+ data &= ~0x03;
+ data |= 0x01;
+ break;
+ case SEC_VOLTAGE_OFF:
+ break;
+ }
+
+ m88rs2000_demod_write(state, 0xb2, data);
return 0;
}
@@ -654,7 +670,6 @@ static int m88rs2000_set_tuner(struct dvb_frontend *fe, u16 *offset)
static int m88rs2000_set_fec(struct m88rs2000_state *state,
fe_code_rate_t fec)
{
- int ret;
u16 fec_set;
switch (fec) {
/* This is not confirmed kept for reference */
@@ -677,7 +692,7 @@ static int m88rs2000_set_fec(struct m88rs2000_state *state,
default:
fec_set = 0x08;
}
- ret = m88rs2000_demod_write(state, 0x76, fec_set);
+ m88rs2000_demod_write(state, 0x76, fec_set);
return 0;
}
@@ -772,13 +787,13 @@ static int m88rs2000_set_frontend(struct dvb_frontend *fe)
return -ENODEV;
for (i = 0; i < 25; i++) {
- u8 reg = m88rs2000_demod_read(state, 0x8c);
+ reg = m88rs2000_demod_read(state, 0x8c);
if ((reg & 0x7) == 0x7) {
status = FE_HAS_LOCK;
break;
}
state->no_lock_count++;
- if (state->no_lock_count > 15) {
+ if (state->no_lock_count == 15) {
reg = m88rs2000_demod_read(state, 0x70);
reg ^= 0x4;
m88rs2000_demod_write(state, 0x70, reg);