ASoC: rt5640: Remove the sysclk and sysclk_src checking

Remove the sysclk and sysclk_src checking in the function set_sysclk() to
prevent the PLL power off. It is not getting re-programmed during
subsequent runs after the first run (in BIAS_OFF stage).

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Link: https://lore.kernel.org/r/20220210071900.17287-1-oder_chiou@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt5640.c

@@ -1839,9 +1839,6 @@ static int rt5640_set_dai_sysclk(struct snd_soc_dai *dai,
 	unsigned int reg_val = 0;
 	unsigned int pll_bit = 0;
 
-	if (freq == rt5640->sysclk && clk_id == rt5640->sysclk_src)
-		return 0;
-
 	switch (clk_id) {
 	case RT5640_SCLK_S_MCLK:
 		reg_val |= RT5640_SCLK_SRC_MCLK;