9 Nov
2011
9 Nov
'11
10:53 a.m.
2011/11/9 Axel Lin axel.lin@gmail.com:
/* VMID 2*4k; Soft VMID ramp enable */
- reg = snd_soc_read(codec, WM9081_VMID_CONTROL);
- reg |= WM9081_VMID_RAMP | 0x6;
- snd_soc_write(codec, WM9081_VMID_CONTROL, reg);
- snd_soc_update_bits(codec, WM9081_VMID_CONTROL,
- WM9081_VMID_RAMP |
- WM9081_VMID_SEL_MASK,
- WM9081_VMID_RAMP | 0x6);
mdelay(100);
/* Normal bias enable & soft start off */
- reg &= ~WM9081_VMID_RAMP;
oh.. wait. so original code does not clear WM9081_VMID_SEL_MASK bits here. My bad. Don't know why I always think WM9081_VMID_SEL_MASK bits are cleared here.
Will send a new version soon.
- snd_soc_write(codec, WM9081_VMID_CONTROL, reg);
- snd_soc_update_bits(codec, WM9081_VMID_CONTROL,
- WM9081_VMID_RAMP |
- WM9081_VMID_SEL_MASK, 0);