microsoft
/
WSL2-Linux-Kernel
зеркало из https://github.com/microsoft/WSL2-Linux-Kernel.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность

[media] vez1820: convert set_fontend to use DVBv5 parameters 

Instead of using dvb_frontend_parameters struct, that were
designed for a subset of the supported standards, use the DVBv5
cache information.

Also, fill the supported delivery systems at dvb_frontend_ops
struct.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2011-12-26 15:09:31 -03:00
Родитель 042e5eb79f
Коммит f6c699680c
1 изменённых файлов: 12 добавлений и 11 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

23
drivers/media/dvb/frontends/ves1820.c
Просмотреть файл

@ -205,15 +205,16 @@ static int ves1820_init(struct dvb_frontend* fe)
return 0;
}
static int ves1820_set_parameters(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
static int ves1820_set_parameters(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct ves1820_state* state = fe->demodulator_priv;
static const u8 reg0x00[] = { 0x00, 0x04, 0x08, 0x0c, 0x10 };
static const u8 reg0x01[] = { 140, 140, 106, 100, 92 };
static const u8 reg0x05[] = { 135, 100, 70, 54, 38 };
static const u8 reg0x08[] = { 162, 116, 67, 52, 35 };
static const u8 reg0x09[] = { 145, 150, 106, 126, 107 };
int real_qam = p->u.qam.modulation - QAM_16;
int real_qam = p->modulation - QAM_16;
if (real_qam < 0 || real_qam > 4)
return -EINVAL;
@ -223,7 +224,7 @@ static int ves1820_set_parameters(struct dvb_frontend* fe, struct dvb_frontend_p
if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
}
ves1820_set_symbolrate(state, p->u.qam.symbol_rate);
ves1820_set_symbolrate(state, p->symbol_rate);
ves1820_writereg(state, 0x34, state->pwm);
ves1820_writereg(state, 0x01, reg0x01[real_qam]);
@ -309,7 +310,7 @@ static int ves1820_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
return 0;
}
static int ves1820_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
static int ves1820_get_frontend(struct dvb_frontend *fe, struct dtv_frontend_properties *p)
{
struct ves1820_state* state = fe->demodulator_priv;
int sync;
@ -320,7 +321,7 @@ static int ves1820_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
if (verbose) {
/* AFC only valid when carrier has been recovered */
printk(sync & 2 ? "ves1820: AFC (%d) %dHz\n" :
"ves1820: [AFC (%d) %dHz]\n", afc, -((s32) p->u.qam.symbol_rate * afc) >> 10);
"ves1820: [AFC (%d) %dHz]\n", afc, -((s32) p->symbol_rate * afc) >> 10);
}
if (!state->config->invert) {
@ -329,13 +330,13 @@ static int ves1820_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
p->inversion = (!(state->reg0 & 0x20)) ? INVERSION_ON : INVERSION_OFF;
}
p->u.qam.modulation = ((state->reg0 >> 2) & 7) + QAM_16;
p->modulation = ((state->reg0 >> 2) & 7) + QAM_16;
p->u.qam.fec_inner = FEC_NONE;
p->fec_inner = FEC_NONE;
p->frequency = ((p->frequency + 31250) / 62500) * 62500;
if (sync & 2)
p->frequency -= ((s32) p->u.qam.symbol_rate * afc) >> 10;
p->frequency -= ((s32) p->symbol_rate * afc) >> 10;
return 0;
}
@ -405,7 +406,7 @@ error:
}
static struct dvb_frontend_ops ves1820_ops = {
.delsys = { SYS_DVBC_ANNEX_A },
.info = {
.name = "VLSI VES1820 DVB-C",
.type = FE_QAM,
@ -425,8 +426,8 @@ static struct dvb_frontend_ops ves1820_ops = {
.init = ves1820_init,
.sleep = ves1820_sleep,
.set_frontend_legacy = ves1820_set_parameters,
.get_frontend_legacy = ves1820_get_frontend,
.set_frontend = ves1820_set_parameters,
.get_frontend = ves1820_get_frontend,
.get_tune_settings = ves1820_get_tune_settings,
.read_status = ves1820_read_status,