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drivers: lora: sx1276: stop reading PA_CONFIG

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All fields in PA_CONFIG register are set explicitly, so there is no need
to read this register first.

Suggested-by: Andreas Sandberg <andreas@sandberg.pp.se>
Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
This commit is contained in:
Marcin Niestroj 2020-04-25 10:52:29 +02:00 • committed by Carles Cufí
commit d1ba1ca5a5
1 changed files with 0 additions and 10 deletions
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10
drivers/lora/sx1276.c
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@ -231,22 +231,12 @@ void SX1276SetRfTxPower(int8_t power)
uint8_t pa_config = 0;
uint8_t pa_dac = 0;
ret = sx1276_read(SX1276_REG_PA_CONFIG, &pa_config, 1);
if (ret < 0) {
LOG_ERR("Unable to read PA config");
return;
}
ret = sx1276_read(SX1276_REG_PA_DAC, &pa_dac, 1);
if (ret < 0) {
LOG_ERR("Unable to read PA dac");
return;
}
pa_config &= RF_PACONFIG_MAX_POWER_MASK;
pa_config &= RF_PACONFIG_OUTPUTPOWER_MASK;
pa_config &= RF_PACONFIG_PASELECT_MASK;
pa_dac &= RF_PADAC_20DBM_MASK;
#if defined CONFIG_PA_BOOST_PIN