17 #include <linux/delay.h>
66  * Set adc sample delay.
72  * This delay can be set by setting delay = n, where n is the array
73  * position of the delay in the array delay_table below.
77 static int delay = 3;  variable
78 module_param(delay, int, 0);
79 MODULE_PARM_DESC(delay, "Set adc sample delay.");
95  * order to minimise this, a signal may be applied to the MASK pin to delay or
98  * 0 = No delay or sync
100  * 2 = Edge triggered, edge on pin delays conversion by delay param (above)
101  * 3 = Edge triggered, edge on pin starts conversion after delay param
118  * ADC sample delay times in uS
136 	0      /* No delay, switch matrix always on */
140  * Delay after issuing a POLL command.
142  * The delay is 3 AC97 link frames + the touchpanel settling delay
188 	/* polling mode sample settling delay */  in wm9712_phy_init()
189 	if (delay < 0 || delay > 15) {  in wm9712_phy_init()
190 		dev_dbg(wm->dev, "supplied delay out of range.\n");  in wm9712_phy_init()
191 		delay = 4;  in wm9712_phy_init()
194 	dig1 |= WM97XX_DELAY(delay);  in wm9712_phy_init()
195 	dev_dbg(wm->dev, "setting adc sample delay to %d u Secs.\n",  in wm9712_phy_init()
196 		delay_table[delay]);  in wm9712_phy_init()
253 	int timeout = 5 * delay;  in wm9712_poll_sample()
267 				| WM97XX_POLL | WM97XX_DELAY(delay));  in wm9712_poll_sample()
269 	/* wait 3 AC97 time slots + delay for conversion */  in wm9712_poll_sample()
270 	poll_delay(delay);  in wm9712_poll_sample()
317 	int timeout = 5 * delay;  in wm9712_poll_coord()
331 		WM97XX_COO | WM97XX_POLL | WM97XX_DELAY(delay));  in wm9712_poll_coord()
333 	/* wait 3 AC97 time slots + delay for conversion and read x */  in wm9712_poll_coord()
334 	poll_delay(delay);  in wm9712_poll_coord()
432 			WM97XX_DELAY(delay) |  in wm9712_acc_enable()