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However, >the commit 0b75109b6aaf ("mmc: dw_mmc: return error for invalid voltage >setting") help enforce strict 1.8V and 3.3V when setting vqmmc-supply >making mmc_set_signal_voltage() now fail for MMC_SIGNAL_VOLTAGE_330 and >leading to an improper switch to MMC_SIGNAL_VOLTAGE_180. > >Use regulator_set_value_clamp() to set an SD Standards voltage range, >1.70V-1.95V and 2.7V-3.6V, I/O voltage instead of requiring an exact >regulator value to closer match Linux and to fix use of 3.3V signal >voltage on Rockchip RK3399 boards using MMC_IO_VOLTAGE=y. > >Fixes: 0b75109b6aaf ("mmc: dw_mmc: return error for invalid voltage setting") >Signed-off-by: Jonas Karlman Reviewed-by: Peng Fan