233 	u32 old, new;  in hal2_gain_put()  local
242 		new = old & ~(H2I_C2_L_ATT_M | H2I_C2_R_ATT_M | H2I_C2_MUTE);  in hal2_gain_put()
246 			new |= (l << H2I_C2_L_ATT_SHIFT);  in hal2_gain_put()
247 			new |= (r << H2I_C2_R_ATT_SHIFT);  in hal2_gain_put()
249 			new |= H2I_C2_L_ATT_M | H2I_C2_R_ATT_M | H2I_C2_MUTE;  in hal2_gain_put()
250 		hal2_i_write32(hal2, H2I_DAC_C2, new);  in hal2_gain_put()
254 		new = old & ~(H2I_C2_L_GAIN_M | H2I_C2_R_GAIN_M);  in hal2_gain_put()
255 		new |= (l << H2I_C2_L_GAIN_SHIFT);  in hal2_gain_put()
256 		new |= (r << H2I_C2_R_GAIN_SHIFT);  in hal2_gain_put()
257 		hal2_i_write32(hal2, H2I_ADC_C2, new);  in hal2_gain_put()
260 	return old != new;  in hal2_gain_put()