155#endif
156
157static void sleep(unsigned howlong)
158{
159 current->state = TASK_INTERRUPTIBLE;
160 schedule_timeout(howlong);
161}
162
163static unsigned char sscape_read(struct sscape_info *devc, int reg)
164{
165 unsigned long flags;
166 unsigned char val;
167
168 spin_lock_irqsave(&devc->lock,flags);
169 outb(reg, PORT(ODIE_ADDR));
170 val = inb(PORT(ODIE_DATA));
171 spin_unlock_irqrestore(&devc->lock,flags);
172 return val;
173}
174
175static void __sscape_write(int reg, int data)
176{
177 outb(reg, PORT(ODIE_ADDR));
178 outb(data, PORT(ODIE_DATA));
179}
180
181static void sscape_write(struct sscape_info *devc, int reg, int data)
182{
183 unsigned long flags;
184
185 spin_lock_irqsave(&devc->lock,flags);
186 __sscape_write(reg, data);
187 spin_unlock_irqrestore(&devc->lock,flags);
188}
189
190static unsigned char sscape_pnp_read_codec(sscape_info* devc, unsigned char reg)
191{
192 unsigned char res;
193 unsigned long flags;
194
195 spin_lock_irqsave(&devc->lock,flags);