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media: dvb-frontends/stid135: stid135_set_parameters() optimization.

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This commit is contained in:
CrazyCat
2023-11-05 19:29:23 +02:00
parent acd9d20728
commit 00db7903c9
1 changed files with 16 additions and 15 deletions
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31
drivers/media/dvb-frontends/stid135/stid135-fe.c
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@@ -99,6 +99,7 @@ struct stv {
int loops ;//for tbs6912 int loops ;//for tbs6912
bool modcode_filter; //for set the modcode bool modcode_filter; //for set the modcode
struct fe_sat_dvbs2_mode_t modcode_mask[FE_SAT_MODCODE_UNKNOWN*4];
}; };
I2C_RESULT I2cReadWrite(void *pI2CHost, I2C_MODE mode, u8 ChipAddress, u8 *Data, int NbData) I2C_RESULT I2cReadWrite(void *pI2CHost, I2C_MODE mode, u8 ChipAddress, u8 *Data, int NbData)
@@ -313,7 +314,6 @@ static int stid135_set_parameters(struct dvb_frontend *fe)
s32 rf_power; s32 rf_power;
s32 current_llr; s32 current_llr;
u32 i, j, m; u32 i, j, m;
struct fe_sat_dvbs2_mode_t modcode_mask[FE_SAT_MODCODE_UNKNOWN*4];
U8 vglna_status; U8 vglna_status;
S32 vglna_gain; S32 vglna_gain;
@@ -382,6 +382,7 @@ static int stid135_set_parameters(struct dvb_frontend *fe)
err |= fe_stid135_reset_modcodes_filter(state->base->handle, state->nr + 1); err |= fe_stid135_reset_modcodes_filter(state->base->handle, state->nr + 1);
if (err != FE_LLA_NO_ERROR) if (err != FE_LLA_NO_ERROR)
dev_err(&state->base->i2c->dev, "%s: fe_stid135_reset_modcodes_filter error %d !\n", __func__, err); dev_err(&state->base->i2c->dev, "%s: fe_stid135_reset_modcodes_filter error %d !\n", __func__, err);
state->modcode_filter = false;
} }
state->stats_time = 0; state->stats_time = 0;
state->signal_info.locked = 0; state->signal_info.locked = 0;
@@ -436,24 +437,24 @@ static int stid135_set_parameters(struct dvb_frontend *fe)
for (i=FE_SAT_QPSK_14; i < FE_SAT_MODCODE_UNKNOWN; i ++) { for (i=FE_SAT_QPSK_14; i < FE_SAT_MODCODE_UNKNOWN; i ++) {
if (m & 1) { if (m & 1) {
dev_dbg(&state->base->i2c->dev, "%s: Modcode %02x enabled!\n", __func__, i); dev_dbg(&state->base->i2c->dev, "%s: Modcode %02x enabled!\n", __func__, i);
modcode_mask[j].mod_code = i; state->modcode_mask[j].mod_code = i;
modcode_mask[j].pilots = FE_SAT_PILOTS_OFF; state->modcode_mask[j].pilots = FE_SAT_PILOTS_OFF;
modcode_mask[j].frame_length = FE_SAT_NORMAL_FRAME; state->modcode_mask[j].frame_length = FE_SAT_NORMAL_FRAME;
modcode_mask[j+1].mod_code = i; state->modcode_mask[j+1].mod_code = i;
modcode_mask[j+1].pilots = FE_SAT_PILOTS_ON; state->modcode_mask[j+1].pilots = FE_SAT_PILOTS_ON;
modcode_mask[j+1].frame_length = FE_SAT_NORMAL_FRAME; state->modcode_mask[j+1].frame_length = FE_SAT_NORMAL_FRAME;
modcode_mask[j+2].mod_code = i; state->modcode_mask[j+2].mod_code = i;
modcode_mask[j+2].pilots = FE_SAT_PILOTS_OFF; state->modcode_mask[j+2].pilots = FE_SAT_PILOTS_OFF;
modcode_mask[j+2].frame_length = FE_SAT_SHORT_FRAME; state->modcode_mask[j+2].frame_length = FE_SAT_SHORT_FRAME;
modcode_mask[j+3].mod_code = i; state->modcode_mask[j+3].mod_code = i;
modcode_mask[j+3].pilots = FE_SAT_PILOTS_ON; state->modcode_mask[j+3].pilots = FE_SAT_PILOTS_ON;
modcode_mask[j+3].frame_length = FE_SAT_SHORT_FRAME; state->modcode_mask[j+3].frame_length = FE_SAT_SHORT_FRAME;
j+=4; j+=4;
} }
m >>= 1; m >>= 1;
} }
state->modcode_filter = true; state->modcode_filter = true;
err |= fe_stid135_set_modcodes_filter(state->base->handle, state->nr + 1, modcode_mask, j); err |= fe_stid135_set_modcodes_filter(state->base->handle, state->nr + 1, state->modcode_mask, j);
if (err != FE_LLA_NO_ERROR) if (err != FE_LLA_NO_ERROR)
dev_err(&state->base->i2c->dev, "%s: fe_stid135_set_modcodes_filter error %d !\n", __func__, err); dev_err(&state->base->i2c->dev, "%s: fe_stid135_set_modcodes_filter error %d !\n", __func__, err);
} }
@@ -461,7 +462,7 @@ static int stid135_set_parameters(struct dvb_frontend *fe)
/* Set ISI after search */ /* Set ISI after search */
if (p->stream_id != NO_STREAM_ID_FILTER) { if (p->stream_id != NO_STREAM_ID_FILTER) {
dev_dbg(&state->base->i2c->dev, "%s: set ISI %d !\n", __func__, p->stream_id & 0xFF); dev_dbg(&state->base->i2c->dev, "%s: set ISI %d !\n", __func__, p->stream_id & 0xFF);
err |= fe_stid135_set_mis_filtering(state->base->handle, state->nr + 1, TRUE, p->stream_id & 0xFF, 0xFF); err |= fe_stid135_select_isi(state->base->handle, state->nr + 1, p->stream_id & 0xFF);
} else { } else {
dev_dbg(&state->base->i2c->dev, "%s: disable ISI filtering !\n", __func__); dev_dbg(&state->base->i2c->dev, "%s: disable ISI filtering !\n", __func__);
err |= fe_stid135_set_mis_filtering(state->base->handle, state->nr + 1, FALSE, 0, 0xFF); err |= fe_stid135_set_mis_filtering(state->base->handle, state->nr + 1, FALSE, 0, 0xFF);