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authorMauro Carvalho Chehab <mchehab@redhat.com>2013-04-07 20:52:16 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-04-08 07:10:53 -0300
commit5cb88ca84aa8dc4efcabd8482fff6002774c7f03 (patch)
treef811409ac13ae522bbc1d6f567cac91f7f96d9f2 /drivers/media/dvb-frontends
parent41c6e9dd0915741051e813cafa14f2e7f88b71d9 (diff)
downloadvexpress-lsk-5cb88ca84aa8dc4efcabd8482fff6002774c7f03.tar.gz
[media] mb86a20s: Use 'layer' instead of 'i' on all places
We're using the anonymous 'i' to indicate the layer number on several places on the driver. That's not good, as some cut-and-paste type of change might be doing the wrong thing. So, call it as "layer" everywhere. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb-frontends')
-rw-r--r--drivers/media/dvb-frontends/mb86a20s.c148
1 files changed, 74 insertions, 74 deletions
diff --git a/drivers/media/dvb-frontends/mb86a20s.c b/drivers/media/dvb-frontends/mb86a20s.c
index 70158aae188..f2565896ce4 100644
--- a/drivers/media/dvb-frontends/mb86a20s.c
+++ b/drivers/media/dvb-frontends/mb86a20s.c
@@ -650,7 +650,7 @@ static int mb86a20s_get_frontend(struct dvb_frontend *fe)
{
struct mb86a20s_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int i, rc;
+ int layer, rc;
dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
@@ -668,43 +668,43 @@ static int mb86a20s_get_frontend(struct dvb_frontend *fe)
/* Get per-layer data */
- for (i = 0; i < NUM_LAYERS; i++) {
+ for (layer = 0; layer < NUM_LAYERS; layer++) {
dev_dbg(&state->i2c->dev, "%s: getting data for layer %c.\n",
- __func__, 'A' + i);
+ __func__, 'A' + layer);
- rc = mb86a20s_get_segment_count(state, i);
+ rc = mb86a20s_get_segment_count(state, layer);
if (rc < 0)
goto noperlayer_error;
if (rc >= 0 && rc < 14) {
- c->layer[i].segment_count = rc;
+ c->layer[layer].segment_count = rc;
} else {
- c->layer[i].segment_count = 0;
- state->estimated_rate[i] = 0;
+ c->layer[layer].segment_count = 0;
+ state->estimated_rate[layer] = 0;
continue;
}
- c->isdbt_layer_enabled |= 1 << i;
- rc = mb86a20s_get_modulation(state, i);
+ c->isdbt_layer_enabled |= 1 << layer;
+ rc = mb86a20s_get_modulation(state, layer);
if (rc < 0)
goto noperlayer_error;
dev_dbg(&state->i2c->dev, "%s: modulation %d.\n",
__func__, rc);
- c->layer[i].modulation = rc;
- rc = mb86a20s_get_fec(state, i);
+ c->layer[layer].modulation = rc;
+ rc = mb86a20s_get_fec(state, layer);
if (rc < 0)
goto noperlayer_error;
dev_dbg(&state->i2c->dev, "%s: FEC %d.\n",
__func__, rc);
- c->layer[i].fec = rc;
- rc = mb86a20s_get_interleaving(state, i);
+ c->layer[layer].fec = rc;
+ rc = mb86a20s_get_interleaving(state, layer);
if (rc < 0)
goto noperlayer_error;
dev_dbg(&state->i2c->dev, "%s: interleaving %d.\n",
__func__, rc);
- c->layer[i].interleaving = rc;
- mb86a20s_layer_bitrate(fe, i, c->layer[i].modulation,
- c->layer[i].fec,
- c->layer[i].interleaving,
- c->layer[i].segment_count);
+ c->layer[layer].interleaving = rc;
+ mb86a20s_layer_bitrate(fe, layer, c->layer[layer].modulation,
+ c->layer[layer].fec,
+ c->layer[layer].interleaving,
+ c->layer[layer].segment_count);
}
rc = mb86a20s_writereg(state, 0x6d, 0x84);
@@ -1456,7 +1456,7 @@ static int mb86a20s_get_blk_error_layer_CNR(struct dvb_frontend *fe)
struct mb86a20s_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
u32 mer, cnr;
- int rc, val, i;
+ int rc, val, layer;
struct linear_segments *segs;
unsigned segs_len;
@@ -1478,27 +1478,27 @@ static int mb86a20s_get_blk_error_layer_CNR(struct dvb_frontend *fe)
}
/* Read all layers */
- for (i = 0; i < NUM_LAYERS; i++) {
- if (!(c->isdbt_layer_enabled & (1 << i))) {
- c->cnr.stat[1 + i].scale = FE_SCALE_NOT_AVAILABLE;
+ for (layer = 0; layer < NUM_LAYERS; layer++) {
+ if (!(c->isdbt_layer_enabled & (1 << layer))) {
+ c->cnr.stat[1 + layer].scale = FE_SCALE_NOT_AVAILABLE;
continue;
}
- rc = mb86a20s_writereg(state, 0x50, 0x52 + i * 3);
+ rc = mb86a20s_writereg(state, 0x50, 0x52 + layer * 3);
if (rc < 0)
return rc;
rc = mb86a20s_readreg(state, 0x51);
if (rc < 0)
return rc;
mer = rc << 16;
- rc = mb86a20s_writereg(state, 0x50, 0x53 + i * 3);
+ rc = mb86a20s_writereg(state, 0x50, 0x53 + layer * 3);
if (rc < 0)
return rc;
rc = mb86a20s_readreg(state, 0x51);
if (rc < 0)
return rc;
mer |= rc << 8;
- rc = mb86a20s_writereg(state, 0x50, 0x54 + i * 3);
+ rc = mb86a20s_writereg(state, 0x50, 0x54 + layer * 3);
if (rc < 0)
return rc;
rc = mb86a20s_readreg(state, 0x51);
@@ -1506,7 +1506,7 @@ static int mb86a20s_get_blk_error_layer_CNR(struct dvb_frontend *fe)
return rc;
mer |= rc;
- switch (c->layer[i].modulation) {
+ switch (c->layer[layer].modulation) {
case DQPSK:
case QPSK:
segs = cnr_qpsk_table;
@@ -1524,12 +1524,12 @@ static int mb86a20s_get_blk_error_layer_CNR(struct dvb_frontend *fe)
}
cnr = interpolate_value(mer, segs, segs_len);
- c->cnr.stat[1 + i].scale = FE_SCALE_DECIBEL;
- c->cnr.stat[1 + i].svalue = cnr;
+ c->cnr.stat[1 + layer].scale = FE_SCALE_DECIBEL;
+ c->cnr.stat[1 + layer].svalue = cnr;
dev_dbg(&state->i2c->dev,
"%s: CNR for layer %c is %d.%03d dB (MER = %d).\n",
- __func__, 'A' + i, cnr / 1000, cnr % 1000, mer);
+ __func__, 'A' + layer, cnr / 1000, cnr % 1000, mer);
}
@@ -1557,7 +1557,7 @@ static void mb86a20s_stats_not_ready(struct dvb_frontend *fe)
{
struct mb86a20s_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int i;
+ int layer;
dev_dbg(&state->i2c->dev, "%s called.\n", __func__);
@@ -1580,14 +1580,14 @@ static void mb86a20s_stats_not_ready(struct dvb_frontend *fe)
c->strength.stat[0].uvalue = 0;
/* Put all of them at FE_SCALE_NOT_AVAILABLE */
- for (i = 0; i < NUM_LAYERS + 1; i++) {
- c->cnr.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
- c->pre_bit_error.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
- c->pre_bit_count.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
- c->post_bit_error.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
- c->post_bit_count.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
- c->block_error.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
- c->block_count.stat[i].scale = FE_SCALE_NOT_AVAILABLE;
+ for (layer = 0; layer < NUM_LAYERS + 1; layer++) {
+ c->cnr.stat[layer].scale = FE_SCALE_NOT_AVAILABLE;
+ c->pre_bit_error.stat[layer].scale = FE_SCALE_NOT_AVAILABLE;
+ c->pre_bit_count.stat[layer].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_error.stat[layer].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_count.stat[layer].scale = FE_SCALE_NOT_AVAILABLE;
+ c->block_error.stat[layer].scale = FE_SCALE_NOT_AVAILABLE;
+ c->block_count.stat[layer].scale = FE_SCALE_NOT_AVAILABLE;
}
}
@@ -1595,7 +1595,7 @@ static int mb86a20s_get_stats(struct dvb_frontend *fe, int status_nr)
{
struct mb86a20s_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int rc = 0, i;
+ int rc = 0, layer;
u32 bit_error = 0, bit_count = 0;
u32 t_pre_bit_error = 0, t_pre_bit_count = 0;
u32 t_post_bit_error = 0, t_post_bit_count = 0;
@@ -1619,90 +1619,90 @@ static int mb86a20s_get_stats(struct dvb_frontend *fe, int status_nr)
if (status_nr < 9)
return 0;
- for (i = 0; i < NUM_LAYERS; i++) {
- if (c->isdbt_layer_enabled & (1 << i)) {
+ for (layer = 0; layer < NUM_LAYERS; layer++) {
+ if (c->isdbt_layer_enabled & (1 << layer)) {
/* Layer is active and has rc segments */
active_layers++;
/* Handle BER before vterbi */
- rc = mb86a20s_get_pre_ber(fe, i,
+ rc = mb86a20s_get_pre_ber(fe, layer,
&bit_error, &bit_count);
if (rc >= 0) {
- c->pre_bit_error.stat[1 + i].scale = FE_SCALE_COUNTER;
- c->pre_bit_error.stat[1 + i].uvalue += bit_error;
- c->pre_bit_count.stat[1 + i].scale = FE_SCALE_COUNTER;
- c->pre_bit_count.stat[1 + i].uvalue += bit_count;
+ c->pre_bit_error.stat[1 + layer].scale = FE_SCALE_COUNTER;
+ c->pre_bit_error.stat[1 + layer].uvalue += bit_error;
+ c->pre_bit_count.stat[1 + layer].scale = FE_SCALE_COUNTER;
+ c->pre_bit_count.stat[1 + layer].uvalue += bit_count;
} else if (rc != -EBUSY) {
/*
* If an I/O error happened,
* measures are now unavailable
*/
- c->pre_bit_error.stat[1 + i].scale = FE_SCALE_NOT_AVAILABLE;
- c->pre_bit_count.stat[1 + i].scale = FE_SCALE_NOT_AVAILABLE;
+ c->pre_bit_error.stat[1 + layer].scale = FE_SCALE_NOT_AVAILABLE;
+ c->pre_bit_count.stat[1 + layer].scale = FE_SCALE_NOT_AVAILABLE;
dev_err(&state->i2c->dev,
"%s: Can't get BER for layer %c (error %d).\n",
- __func__, 'A' + i, rc);
+ __func__, 'A' + layer, rc);
}
- if (c->block_error.stat[1 + i].scale != FE_SCALE_NOT_AVAILABLE)
+ if (c->block_error.stat[1 + layer].scale != FE_SCALE_NOT_AVAILABLE)
pre_ber_layers++;
/* Handle BER post vterbi */
- rc = mb86a20s_get_post_ber(fe, i,
+ rc = mb86a20s_get_post_ber(fe, layer,
&bit_error, &bit_count);
if (rc >= 0) {
- c->post_bit_error.stat[1 + i].scale = FE_SCALE_COUNTER;
- c->post_bit_error.stat[1 + i].uvalue += bit_error;
- c->post_bit_count.stat[1 + i].scale = FE_SCALE_COUNTER;
- c->post_bit_count.stat[1 + i].uvalue += bit_count;
+ c->post_bit_error.stat[1 + layer].scale = FE_SCALE_COUNTER;
+ c->post_bit_error.stat[1 + layer].uvalue += bit_error;
+ c->post_bit_count.stat[1 + layer].scale = FE_SCALE_COUNTER;
+ c->post_bit_count.stat[1 + layer].uvalue += bit_count;
} else if (rc != -EBUSY) {
/*
* If an I/O error happened,
* measures are now unavailable
*/
- c->post_bit_error.stat[1 + i].scale = FE_SCALE_NOT_AVAILABLE;
- c->post_bit_count.stat[1 + i].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_error.stat[1 + layer].scale = FE_SCALE_NOT_AVAILABLE;
+ c->post_bit_count.stat[1 + layer].scale = FE_SCALE_NOT_AVAILABLE;
dev_err(&state->i2c->dev,
"%s: Can't get BER for layer %c (error %d).\n",
- __func__, 'A' + i, rc);
+ __func__, 'A' + layer, rc);
}
- if (c->block_error.stat[1 + i].scale != FE_SCALE_NOT_AVAILABLE)
+ if (c->block_error.stat[1 + layer].scale != FE_SCALE_NOT_AVAILABLE)
post_ber_layers++;
/* Handle Block errors for PER/UCB reports */
- rc = mb86a20s_get_blk_error(fe, i,
+ rc = mb86a20s_get_blk_error(fe, layer,
&block_error,
&block_count);
if (rc >= 0) {
- c->block_error.stat[1 + i].scale = FE_SCALE_COUNTER;
- c->block_error.stat[1 + i].uvalue += block_error;
- c->block_count.stat[1 + i].scale = FE_SCALE_COUNTER;
- c->block_count.stat[1 + i].uvalue += block_count;
+ c->block_error.stat[1 + layer].scale = FE_SCALE_COUNTER;
+ c->block_error.stat[1 + layer].uvalue += block_error;
+ c->block_count.stat[1 + layer].scale = FE_SCALE_COUNTER;
+ c->block_count.stat[1 + layer].uvalue += block_count;
} else if (rc != -EBUSY) {
/*
* If an I/O error happened,
* measures are now unavailable
*/
- c->block_error.stat[1 + i].scale = FE_SCALE_NOT_AVAILABLE;
- c->block_count.stat[1 + i].scale = FE_SCALE_NOT_AVAILABLE;
+ c->block_error.stat[1 + layer].scale = FE_SCALE_NOT_AVAILABLE;
+ c->block_count.stat[1 + layer].scale = FE_SCALE_NOT_AVAILABLE;
dev_err(&state->i2c->dev,
"%s: Can't get PER for layer %c (error %d).\n",
- __func__, 'A' + i, rc);
+ __func__, 'A' + layer, rc);
}
- if (c->block_error.stat[1 + i].scale != FE_SCALE_NOT_AVAILABLE)
+ if (c->block_error.stat[1 + layer].scale != FE_SCALE_NOT_AVAILABLE)
per_layers++;
/* Update total preBER */
- t_pre_bit_error += c->pre_bit_error.stat[1 + i].uvalue;
- t_pre_bit_count += c->pre_bit_count.stat[1 + i].uvalue;
+ t_pre_bit_error += c->pre_bit_error.stat[1 + layer].uvalue;
+ t_pre_bit_count += c->pre_bit_count.stat[1 + layer].uvalue;
/* Update total postBER */
- t_post_bit_error += c->post_bit_error.stat[1 + i].uvalue;
- t_post_bit_count += c->post_bit_count.stat[1 + i].uvalue;
+ t_post_bit_error += c->post_bit_error.stat[1 + layer].uvalue;
+ t_post_bit_count += c->post_bit_count.stat[1 + layer].uvalue;
/* Update total PER */
- t_block_error += c->block_error.stat[1 + i].uvalue;
- t_block_count += c->block_count.stat[1 + i].uvalue;
+ t_block_error += c->block_error.stat[1 + layer].uvalue;
+ t_block_count += c->block_count.stat[1 + layer].uvalue;
}
}