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authorJemma Denson <jdenson@gmail.com>2015-05-05 22:18:11 +0200
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-05-18 21:37:16 +0200
commit1462612cb3172068c3f4dca1778e5fb115191c70 (patch)
tree5598be721556f671bb1a4336f427369256ccbe5d /drivers/media/dvb-frontends/cx24120.c
parent[media] cx24120: Enable DVBv5 signal strength stats (diff)
downloadlinux-1462612cb3172068c3f4dca1778e5fb115191c70.tar.xz
linux-1462612cb3172068c3f4dca1778e5fb115191c70.zip
[media] cx24120: Remove additional calls to read_status
get_frontend was making a call to read_status, which is being called periodically anyway. Have read_status store fe_status in the state struct instead and use that within get_frontend. Signed-off-by: Jemma Denson <jdenson@gmail.com> Signed-off-by: Patrick Boettcher <patrick.boettcher@posteo.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/dvb-frontends/cx24120.c')
-rw-r--r--drivers/media/dvb-frontends/cx24120.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/media/dvb-frontends/cx24120.c b/drivers/media/dvb-frontends/cx24120.c
index 57634c618d63..dfa2b6de481c 100644
--- a/drivers/media/dvb-frontends/cx24120.c
+++ b/drivers/media/dvb-frontends/cx24120.c
@@ -143,6 +143,8 @@ struct cx24120_state {
/* current and next tuning parameters */
struct cx24120_tuning dcur;
struct cx24120_tuning dnxt;
+
+ fe_status_t fe_status;
};
/* Command message to firmware */
@@ -615,7 +617,7 @@ static int cx24120_send_diseqc_msg(struct dvb_frontend *fe,
return -ETIMEDOUT;
}
-static void cx24120_get_stats(struct cx24120_state *state, fe_status_t status)
+static void cx24120_get_stats(struct cx24120_state *state)
{
struct dvb_frontend *fe = &state->frontend;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
@@ -625,7 +627,7 @@ static void cx24120_get_stats(struct cx24120_state *state, fe_status_t status)
dev_dbg(&state->i2c->dev, "%s()\n", __func__);
/* signal strength */
- if (status & FE_HAS_SIGNAL) {
+ if (state->fe_status & FE_HAS_SIGNAL) {
ret = cx24120_read_signal_strength(fe, &u16tmp);
if (ret != 0)
return;
@@ -669,7 +671,8 @@ static int cx24120_read_status(struct dvb_frontend *fe, fe_status_t *status)
* Other cx241xx drivers have this slightly
* different */
- cx24120_get_stats(state, *status);
+ state->fe_status = *status;
+ cx24120_get_stats(state);
/* Set the clock once tuned in */
if (state->need_clock_set && *status & FE_HAS_LOCK) {
@@ -1405,13 +1408,11 @@ static int cx24120_get_frontend(struct dvb_frontend *fe)
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct cx24120_state *state = fe->demodulator_priv;
u8 freq1, freq2, freq3;
- fe_status_t status;
dev_dbg(&state->i2c->dev, "%s()", __func__);
/* don't return empty data if we're not tuned in */
- cx24120_read_status(fe, &status);
- if ((status & FE_HAS_LOCK) == 0)
+ if ((state->fe_status & FE_HAS_LOCK) == 0)
return 0;
/* Get frequency */