69 pcm2adpcm_step(struct msm6258_codecvar *mc, int16_t a)  in pcm2adpcm_step()  argument
71 	int estim = (int)mc->mc_estim;  in pcm2adpcm_step()
77 	df = a - mc->mc_amp;  in pcm2adpcm_step()
90 	mc->mc_amp += (short)(adpcm_estimindex[(int)s] * dl);  in pcm2adpcm_step()
97 	mc->mc_estim = estim;  in pcm2adpcm_step()
104 	struct msm6258_codecvar *mc;  in msm6258_internal_to_adpcm()  local
112 	mc = arg->context;  in msm6258_internal_to_adpcm()
122 		f = pcm2adpcm_step(mc, s);  in msm6258_internal_to_adpcm()
126 		f |= pcm2adpcm_step(mc, s) << 4;  in msm6258_internal_to_adpcm()
137 adpcm2pcm_step(struct msm6258_codecvar *mc, uint8_t b)  in adpcm2pcm_step()  argument
139 	int estim = (int)mc->mc_estim;  in adpcm2pcm_step()
141 	mc->mc_amp += adpcm_estim[estim] * adpcm_estimindex[b];  in adpcm2pcm_step()
149 	mc->mc_estim = estim;  in adpcm2pcm_step()
151 	return mc->mc_amp;  in adpcm2pcm_step()
157 	struct msm6258_codecvar *mc;  in msm6258_adpcm_to_internal()  local
165 	mc = arg->context;  in msm6258_adpcm_to_internal()
173 		s = adpcm2pcm_step(mc, a & 0x0f);  in msm6258_adpcm_to_internal()
177 		s = adpcm2pcm_step(mc, a >> 4);  in msm6258_adpcm_to_internal()