29 static u32 stb0899_calc_srate(u32 master_clk, u8 *sfr)
33 	/* srate = (SFR * master_clk) >> 20 */
35 	/* sfr is of size 20 bit, stored with an offset of 4 bit */
36 	tmp = (((u32)sfr[0]) << 16) | (((u32)sfr[1]) << 8) | sfr[2];
51 	u8 sfr[3];
53 	stb0899_read_regs(state, STB0899_SFRH, sfr, 3);
55 	return stb0899_calc_srate(internal->master_clk, sfr);
69 	u8 sfr[3];  in stb0899_set_srate()  local
78 	 * srate = (SFR * master_clk) >> 20  in stb0899_set_srate()
80 	 *   SFR = srate << 20 / master_clk  in stb0899_set_srate()
83 	 *   SFR = (srate << 21 + master_clk) / (2 * master_clk)  in stb0899_set_srate()
86 	 *   sfr = SFR << 4;  in stb0899_set_srate()
92 	sfr[0] = tmp >> 16;  in stb0899_set_srate()
93 	sfr[1] = tmp >>  8;  in stb0899_set_srate()
94 	sfr[2] = tmp;  in stb0899_set_srate()
96 	stb0899_write_regs(state, STB0899_SFRH, sfr, 3);  in stb0899_set_srate()