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si4700: optimize RDS cache update a little

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use si4700_read() instead of si4700_read_reg() to make it clear we are
not interested in the register itself but in the cache update. Also, a
tiny bit more efficient as we save a function call and don't request a
return value we don't use anyhow.

Change-Id: Ibbb66fd9e5ea748ba11ac3c2a0570f5219b72637
This commit is contained in:
Wolfram Sang 2021-12-10 16:54:41 +01:00 committed by Solomon Peachy
parent 68887b4730
commit 76a2a00732
1 changed files with 1 additions and 1 deletions
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firmware/drivers/tuner/si4700.c
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@ -586,7 +586,7 @@ void si4700_rds_process(void)
if (tuner_powered()) if (tuner_powered())
{ {
si4700_read_reg(RDSD); si4700_read(6);
#if (CONFIG_RDS & RDS_CFG_POLL) #if (CONFIG_RDS & RDS_CFG_POLL)
/* we need to keep track of the ready bit because it stays set for 80ms /* we need to keep track of the ready bit because it stays set for 80ms
* and we must avoid processing it twice */ * and we must avoid processing it twice */