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h1r9: MAX2839: support maximum TX gain, not minimum

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This commit is contained in:
Michael Ossmann
2022-10-01 13:20:46 -04:00
committed by Mike Walters
parent eb8ed45f9a
commit 5693f7b193
1 changed files with 4 additions and 3 deletions
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5
firmware/common/max2839.c
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@ -336,9 +336,10 @@ bool max2839_set_vga_gain(max2839_driver_t* const drv, const uint32_t gain_db) {
return true; return true;
} }
bool max2839_set_txvga_gain(max2839_driver_t* const drv, const uint32_t gain_db) { bool max2839_set_txvga_gain(max2839_driver_t* const drv, const uint32_t gain_db)
{
uint16_t val = 0; uint16_t val = 0;
val = 63-gain_db; val = 47 - gain_db;
set_MAX2839_TX_VGA_GAIN(drv, val); set_MAX2839_TX_VGA_GAIN(drv, val);
max2839_reg_commit(drv, 29); max2839_reg_commit(drv, 29);