psh3lcd.c revision 1.2.18.3
1 1.2.18.3 yamt /* $NetBSD: psh3lcd.c,v 1.2.18.3 2007/02/26 09:06:39 yamt Exp $ */ 2 1.2.18.2 yamt /* 3 1.2.18.2 yamt * Copyright (c) 2005 KIYOHARA Takashi 4 1.2.18.2 yamt * All rights reserved. 5 1.2.18.2 yamt * 6 1.2.18.2 yamt * Redistribution and use in source and binary forms, with or without 7 1.2.18.2 yamt * modification, are permitted provided that the following conditions 8 1.2.18.2 yamt * are met: 9 1.2.18.2 yamt * 1. Redistributions of source code must retain the above copyright 10 1.2.18.2 yamt * notice, this list of conditions and the following disclaimer. 11 1.2.18.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 12 1.2.18.2 yamt * notice, this list of conditions and the following disclaimer in the 13 1.2.18.2 yamt * documentation and/or other materials provided with the distribution. 14 1.2.18.2 yamt * 15 1.2.18.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 1.2.18.2 yamt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 1.2.18.2 yamt * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 1.2.18.2 yamt * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19 1.2.18.2 yamt * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 1.2.18.2 yamt * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 1.2.18.2 yamt * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 1.2.18.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23 1.2.18.2 yamt * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24 1.2.18.2 yamt * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 1.2.18.2 yamt * POSSIBILITY OF SUCH DAMAGE. 26 1.2.18.2 yamt * 27 1.2.18.2 yamt */ 28 1.2.18.2 yamt 29 1.2.18.2 yamt #include <sys/cdefs.h> 30 1.2.18.2 yamt 31 1.2.18.3 yamt #include <sys/types.h> 32 1.2.18.2 yamt #include <sys/param.h> 33 1.2.18.2 yamt #include <sys/device.h> 34 1.2.18.3 yamt #include <sys/errno.h> 35 1.2.18.3 yamt #include <sys/kernel.h> 36 1.2.18.2 yamt #include <sys/systm.h> 37 1.2.18.2 yamt #include <sys/callout.h> 38 1.2.18.2 yamt 39 1.2.18.2 yamt #include <machine/platid.h> 40 1.2.18.2 yamt #include <machine/platid_mask.h> 41 1.2.18.2 yamt 42 1.2.18.2 yamt #include <machine/config_hook.h> 43 1.2.18.2 yamt 44 1.2.18.2 yamt #include <sh3/pfcreg.h> 45 1.2.18.2 yamt #include <hpcsh/dev/hd64461/hd64461var.h> 46 1.2.18.2 yamt #include <hpcsh/dev/hd64461/hd64461reg.h> 47 1.2.18.2 yamt #include <hpcsh/dev/hd64461/hd64461gpioreg.h> 48 1.2.18.2 yamt 49 1.2.18.2 yamt 50 1.2.18.2 yamt /* 51 1.2.18.2 yamt * LCD contrast INC#: controlled by pin 0 in HD64461 GPIO port A. 52 1.2.18.2 yamt * LCD contrast CS#: controlled by pin 1 in HD64461 GPIO port A. 53 1.2.18.2 yamt * LCD contrast U/D#: controlled by pin 0 in SH7709 GPIO port D. 54 1.2.18.2 yamt * 0 - down 55 1.2.18.2 yamt * 1 - up 56 1.2.18.2 yamt */ 57 1.2.18.2 yamt #define PSH3LCD_CONTRAST_INC 0x01 58 1.2.18.2 yamt #define PSH3LCD_CONTRAST_CS 0x02 59 1.2.18.2 yamt #define PSH3LCD_CONTRAST_UD 0x01 60 1.2.18.2 yamt 61 1.2.18.2 yamt /* 62 1.2.18.2 yamt * LCD brightness: controled by HG71C105FE at AREA2. 63 1.2.18.2 yamt * XXXX: That is custom IC. We don't know spec. X-< 64 1.2.18.2 yamt */ 65 1.2.18.2 yamt #define PSH3LCD_BRIGHTNESS_REG0 0xaa000072 66 1.2.18.2 yamt #define PSH3LCD_BRIGHTNESS_REG1 0xaa000150 67 1.2.18.2 yamt #define PSH3LCD_BRIGHTNESS_REG2 0xaa000152 68 1.2.18.2 yamt 69 1.2.18.2 yamt /* brightness control data */ 70 1.2.18.2 yamt static const struct psh3lcd_x0_bcd { /* 50PA, 30PA */ 71 1.2.18.2 yamt uint8_t reg0; 72 1.2.18.2 yamt uint8_t reg1; 73 1.2.18.2 yamt uint8_t reg2; 74 1.2.18.2 yamt } psh3lcd_x0_bcd[] = { 75 1.2.18.2 yamt { 0x05, 0x08, 0x1e }, 76 1.2.18.2 yamt { 0x05, 0x1d, 0x09 }, 77 1.2.18.2 yamt { 0x04, 0x1e, 0x1e }, 78 1.2.18.2 yamt { 0x06, 0x1e, 0x1e }, 79 1.2.18.2 yamt { 0x07, 0x1e, 0x1e }, 80 1.2.18.2 yamt { 0x00, 0x00, 0x00 } 81 1.2.18.2 yamt }; 82 1.2.18.2 yamt static const struct psh3lcd_xx0_bcd { /* 200JC */ 83 1.2.18.2 yamt uint8_t reg1; 84 1.2.18.2 yamt uint8_t reg2; 85 1.2.18.2 yamt } psh3lcd_xx0_bcd[] = { 86 1.2.18.2 yamt { 0x33, 0x0c }, 87 1.2.18.2 yamt { 0x2d, 0x12 }, 88 1.2.18.2 yamt { 0x26, 0x19 }, 89 1.2.18.2 yamt { 0x20, 0x1f }, 90 1.2.18.2 yamt { 0x1a, 0x25 }, 91 1.2.18.2 yamt { 0x13, 0x2c }, 92 1.2.18.2 yamt { 0x0d, 0x32 }, 93 1.2.18.2 yamt { 0x07, 0x38 }, 94 1.2.18.2 yamt { 0x01, 0x00 }, 95 1.2.18.2 yamt { 0x00, 0x00 } 96 1.2.18.2 yamt }; 97 1.2.18.2 yamt 98 1.2.18.2 yamt #define PSH3LCD_XX0_BRIGHTNESS_MAX 8 99 1.2.18.2 yamt #define PSH3LCD_X0_BRIGHTNESS_MAX 4 100 1.2.18.2 yamt 101 1.2.18.2 yamt #define PSH3LCD_CONTRAST_MAX 2 /* XXX */ 102 1.2.18.2 yamt #define PSH3LCD_CONTRAST 1 103 1.2.18.2 yamt #define PSH3LCD_CONTRAST_UP 2 104 1.2.18.2 yamt #define PSH3LCD_CONTRAST_DOWN 0 105 1.2.18.2 yamt 106 1.2.18.2 yamt #define BCD_NO_MATCH (-1) 107 1.2.18.2 yamt 108 1.2.18.2 yamt 109 1.2.18.2 yamt struct psh3lcd_softc { 110 1.2.18.2 yamt struct device sc_dev; 111 1.2.18.2 yamt int sc_brightness; 112 1.2.18.2 yamt int sc_brightness_max; 113 1.2.18.2 yamt void (*sc_set_brightness)(int); 114 1.2.18.2 yamt }; 115 1.2.18.2 yamt 116 1.2.18.2 yamt static int psh3lcd_match(struct device *, struct cfdata *, void *); 117 1.2.18.2 yamt static void psh3lcd_attach(struct device *, struct device *, void *); 118 1.2.18.2 yamt 119 1.2.18.2 yamt CFATTACH_DECL(psh3lcd, sizeof(struct psh3lcd_softc), 120 1.2.18.2 yamt psh3lcd_match, psh3lcd_attach, NULL, NULL); 121 1.2.18.2 yamt 122 1.2.18.2 yamt 123 1.2.18.2 yamt static inline int psh3lcd_x0_bcd_get(void); 124 1.2.18.2 yamt static inline int psh3lcd_xx0_bcd_get(void); 125 1.2.18.2 yamt static void psh3lcd_x0_set_brightness(int); 126 1.2.18.2 yamt static void psh3lcd_xx0_set_brightness(int); 127 1.2.18.2 yamt static void psh3lcd_set_contrast(int); 128 1.2.18.2 yamt static int psh3lcd_param(void *, int, long, void *); 129 1.2.18.2 yamt static int psh3lcd_power(void *, int, long, void *); 130 1.2.18.2 yamt 131 1.2.18.2 yamt 132 1.2.18.2 yamt static inline int 133 1.2.18.2 yamt psh3lcd_x0_bcd_get() 134 1.2.18.2 yamt { 135 1.2.18.2 yamt int i; 136 1.2.18.2 yamt uint8_t bcr0, bcr1, bcr2; 137 1.2.18.2 yamt 138 1.2.18.2 yamt bcr0 = _reg_read_1(PSH3LCD_BRIGHTNESS_REG0); 139 1.2.18.2 yamt bcr1 = _reg_read_1(PSH3LCD_BRIGHTNESS_REG1); 140 1.2.18.2 yamt bcr2 = _reg_read_1(PSH3LCD_BRIGHTNESS_REG2); 141 1.2.18.2 yamt 142 1.2.18.2 yamt for (i = 0; psh3lcd_x0_bcd[i].reg0 != 0; i++) 143 1.2.18.2 yamt if (bcr0 == psh3lcd_x0_bcd[i].reg0 && 144 1.2.18.2 yamt bcr1 == psh3lcd_x0_bcd[i].reg1 && 145 1.2.18.2 yamt bcr2 == psh3lcd_x0_bcd[i].reg2) 146 1.2.18.2 yamt break; 147 1.2.18.2 yamt if (psh3lcd_x0_bcd[i].reg0 == 0) 148 1.2.18.3 yamt return BCD_NO_MATCH; 149 1.2.18.3 yamt return i; 150 1.2.18.2 yamt } 151 1.2.18.2 yamt 152 1.2.18.2 yamt static inline int 153 1.2.18.2 yamt psh3lcd_xx0_bcd_get() 154 1.2.18.2 yamt { 155 1.2.18.2 yamt int i; 156 1.2.18.2 yamt uint8_t bcr1, bcr2; 157 1.2.18.2 yamt 158 1.2.18.2 yamt bcr1 = _reg_read_1(PSH3LCD_BRIGHTNESS_REG1); 159 1.2.18.2 yamt bcr2 = _reg_read_1(PSH3LCD_BRIGHTNESS_REG2); 160 1.2.18.2 yamt 161 1.2.18.2 yamt for (i = 0; psh3lcd_xx0_bcd[i].reg1 != 0; i++) 162 1.2.18.2 yamt if (bcr1 == psh3lcd_xx0_bcd[i].reg1 && 163 1.2.18.2 yamt bcr2 == psh3lcd_xx0_bcd[i].reg2) 164 1.2.18.2 yamt break; 165 1.2.18.2 yamt if (psh3lcd_xx0_bcd[i].reg1 == 0) 166 1.2.18.3 yamt return BCD_NO_MATCH; 167 1.2.18.3 yamt return i; 168 1.2.18.2 yamt } 169 1.2.18.2 yamt 170 1.2.18.2 yamt static void 171 1.2.18.2 yamt psh3lcd_xx0_set_brightness(int index) 172 1.2.18.2 yamt { 173 1.2.18.2 yamt 174 1.2.18.2 yamt _reg_write_1(PSH3LCD_BRIGHTNESS_REG1, psh3lcd_xx0_bcd[index].reg1); 175 1.2.18.2 yamt _reg_write_1(PSH3LCD_BRIGHTNESS_REG2, psh3lcd_xx0_bcd[index].reg2); 176 1.2.18.2 yamt } 177 1.2.18.2 yamt 178 1.2.18.2 yamt static void 179 1.2.18.2 yamt psh3lcd_x0_set_brightness(int index) 180 1.2.18.2 yamt { 181 1.2.18.2 yamt 182 1.2.18.2 yamt _reg_write_1(PSH3LCD_BRIGHTNESS_REG0, psh3lcd_x0_bcd[index].reg0); 183 1.2.18.2 yamt _reg_write_1(PSH3LCD_BRIGHTNESS_REG1, psh3lcd_x0_bcd[index].reg1); 184 1.2.18.2 yamt _reg_write_1(PSH3LCD_BRIGHTNESS_REG2, psh3lcd_x0_bcd[index].reg2); 185 1.2.18.2 yamt } 186 1.2.18.2 yamt 187 1.2.18.2 yamt /* 188 1.2.18.2 yamt * contrast control function. controlled by IC (X9313W). 189 1.2.18.2 yamt */ 190 1.2.18.2 yamt inline void 191 1.2.18.2 yamt psh3lcd_set_contrast(int value) 192 1.2.18.2 yamt { 193 1.2.18.2 yamt uint16_t gpadr; 194 1.2.18.2 yamt uint8_t pddr; 195 1.2.18.2 yamt 196 1.2.18.2 yamt /* CS assert */ 197 1.2.18.2 yamt gpadr = hd64461_reg_read_2(HD64461_GPADR_REG16); 198 1.2.18.2 yamt gpadr &= ~PSH3LCD_CONTRAST_CS; 199 1.2.18.2 yamt hd64461_reg_write_2(HD64461_GPADR_REG16, gpadr); 200 1.2.18.2 yamt delay(1); 201 1.2.18.2 yamt 202 1.2.18.2 yamt /* set U/D# */ 203 1.2.18.2 yamt pddr = _reg_read_1(SH7709_PDDR); 204 1.2.18.2 yamt if (value == PSH3LCD_CONTRAST_UP) 205 1.2.18.2 yamt pddr |= PSH3LCD_CONTRAST_UD; 206 1.2.18.2 yamt else if (value == PSH3LCD_CONTRAST_DOWN) 207 1.2.18.2 yamt pddr &= ~PSH3LCD_CONTRAST_UD; 208 1.2.18.2 yamt _reg_write_1(SH7709_PDDR, pddr); 209 1.2.18.2 yamt delay(3); 210 1.2.18.2 yamt 211 1.2.18.2 yamt /* INCrement */ 212 1.2.18.2 yamt hd64461_reg_write_2(HD64461_GPADR_REG16, gpadr & ~PSH3LCD_CONTRAST_INC); 213 1.2.18.2 yamt delay(1); 214 1.2.18.2 yamt hd64461_reg_write_2(HD64461_GPADR_REG16, gpadr); 215 1.2.18.2 yamt delay(1); 216 1.2.18.2 yamt 217 1.2.18.2 yamt /* CS deassert */ 218 1.2.18.2 yamt gpadr |= PSH3LCD_CONTRAST_CS; 219 1.2.18.2 yamt hd64461_reg_write_2(HD64461_GPADR_REG16, gpadr); 220 1.2.18.2 yamt delay(1); 221 1.2.18.2 yamt } 222 1.2.18.2 yamt 223 1.2.18.3 yamt /* ARGSUSED */ 224 1.2.18.2 yamt static int 225 1.2.18.3 yamt psh3lcd_match(struct device *parent __unused, struct cfdata *cfp, 226 1.2.18.3 yamt void *aux __unused) 227 1.2.18.2 yamt { 228 1.2.18.2 yamt uint8_t bcr0; 229 1.2.18.2 yamt 230 1.2.18.2 yamt if (!platid_match(&platid, &platid_mask_MACH_HITACHI_PERSONA)) 231 1.2.18.3 yamt return 0; 232 1.2.18.2 yamt 233 1.2.18.2 yamt if (strcmp(cfp->cf_name, "psh3lcd") != 0) 234 1.2.18.3 yamt return 0; 235 1.2.18.2 yamt 236 1.2.18.2 yamt bcr0 = _reg_read_1(PSH3LCD_BRIGHTNESS_REG0); 237 1.2.18.2 yamt if (bcr0 == 0) { 238 1.2.18.2 yamt if (psh3lcd_xx0_bcd_get() == BCD_NO_MATCH) 239 1.2.18.3 yamt return 0; 240 1.2.18.2 yamt } else { 241 1.2.18.2 yamt if (psh3lcd_x0_bcd_get() == BCD_NO_MATCH) 242 1.2.18.3 yamt return 0; 243 1.2.18.2 yamt } 244 1.2.18.2 yamt 245 1.2.18.3 yamt return 1; 246 1.2.18.2 yamt } 247 1.2.18.2 yamt 248 1.2.18.3 yamt /* ARGSUSED */ 249 1.2.18.2 yamt static void 250 1.2.18.3 yamt psh3lcd_attach(struct device *parent __unused, struct device *self, 251 1.2.18.3 yamt void *aux __unused) 252 1.2.18.2 yamt { 253 1.2.18.3 yamt struct psh3lcd_softc *sc = device_private(self); 254 1.2.18.2 yamt uint8_t bcr0, bcr1, bcr2; 255 1.2.18.2 yamt 256 1.2.18.2 yamt bcr0 = _reg_read_1(PSH3LCD_BRIGHTNESS_REG0); 257 1.2.18.2 yamt bcr1 = _reg_read_1(PSH3LCD_BRIGHTNESS_REG1); 258 1.2.18.2 yamt bcr2 = _reg_read_1(PSH3LCD_BRIGHTNESS_REG2); 259 1.2.18.2 yamt if (bcr0 == 0) { 260 1.2.18.2 yamt sc->sc_set_brightness = psh3lcd_xx0_set_brightness; 261 1.2.18.2 yamt sc->sc_brightness = psh3lcd_xx0_bcd_get(); 262 1.2.18.2 yamt sc->sc_brightness_max = PSH3LCD_XX0_BRIGHTNESS_MAX; 263 1.2.18.2 yamt } else { 264 1.2.18.2 yamt sc->sc_set_brightness = psh3lcd_x0_set_brightness; 265 1.2.18.2 yamt sc->sc_brightness = psh3lcd_x0_bcd_get(); 266 1.2.18.2 yamt sc->sc_brightness_max = PSH3LCD_X0_BRIGHTNESS_MAX; 267 1.2.18.2 yamt } 268 1.2.18.3 yamt aprint_naive("\n"); 269 1.2.18.3 yamt aprint_normal(": brightness %d\n", sc->sc_brightness); 270 1.2.18.2 yamt 271 1.2.18.2 yamt /* LCD contrast hooks */ 272 1.2.18.2 yamt config_hook(CONFIG_HOOK_GET, 273 1.2.18.2 yamt CONFIG_HOOK_CONTRAST_MAX, CONFIG_HOOK_SHARE, psh3lcd_param, sc); 274 1.2.18.2 yamt config_hook(CONFIG_HOOK_GET, 275 1.2.18.2 yamt CONFIG_HOOK_CONTRAST, CONFIG_HOOK_SHARE, psh3lcd_param, sc); 276 1.2.18.2 yamt config_hook(CONFIG_HOOK_SET, 277 1.2.18.2 yamt CONFIG_HOOK_CONTRAST, CONFIG_HOOK_SHARE, psh3lcd_param, sc); 278 1.2.18.2 yamt 279 1.2.18.2 yamt /* LCD brightness hooks */ 280 1.2.18.2 yamt config_hook(CONFIG_HOOK_GET, 281 1.2.18.2 yamt CONFIG_HOOK_BRIGHTNESS_MAX, CONFIG_HOOK_SHARE, psh3lcd_param, sc); 282 1.2.18.2 yamt config_hook(CONFIG_HOOK_GET, 283 1.2.18.2 yamt CONFIG_HOOK_BRIGHTNESS, CONFIG_HOOK_SHARE, psh3lcd_param, sc); 284 1.2.18.2 yamt config_hook(CONFIG_HOOK_SET, 285 1.2.18.2 yamt CONFIG_HOOK_BRIGHTNESS, CONFIG_HOOK_SHARE, psh3lcd_param, sc); 286 1.2.18.2 yamt 287 1.2.18.2 yamt /* LCD on/off hook */ 288 1.2.18.2 yamt config_hook(CONFIG_HOOK_POWERCONTROL, 289 1.2.18.2 yamt CONFIG_HOOK_POWERCONTROL_LCD, CONFIG_HOOK_SHARE, psh3lcd_power, sc); 290 1.2.18.2 yamt } 291 1.2.18.2 yamt 292 1.2.18.2 yamt 293 1.2.18.2 yamt static int 294 1.2.18.2 yamt psh3lcd_param(void *ctx, int type, long id, void *msg) 295 1.2.18.2 yamt { 296 1.2.18.2 yamt struct psh3lcd_softc *sc = ctx; 297 1.2.18.2 yamt int value; 298 1.2.18.2 yamt 299 1.2.18.2 yamt switch (type) { 300 1.2.18.2 yamt case CONFIG_HOOK_GET: 301 1.2.18.2 yamt switch (id) { 302 1.2.18.2 yamt case CONFIG_HOOK_CONTRAST: 303 1.2.18.2 yamt *(int *)msg = PSH3LCD_CONTRAST; 304 1.2.18.3 yamt return 0; 305 1.2.18.2 yamt 306 1.2.18.2 yamt case CONFIG_HOOK_CONTRAST_MAX: 307 1.2.18.2 yamt *(int *)msg = PSH3LCD_CONTRAST_MAX; 308 1.2.18.3 yamt return 0; 309 1.2.18.2 yamt 310 1.2.18.2 yamt case CONFIG_HOOK_BRIGHTNESS: 311 1.2.18.2 yamt *(int *)msg = sc->sc_brightness; 312 1.2.18.3 yamt return 0; 313 1.2.18.2 yamt 314 1.2.18.2 yamt case CONFIG_HOOK_BRIGHTNESS_MAX: 315 1.2.18.2 yamt *(int *)msg = sc->sc_brightness_max; 316 1.2.18.3 yamt return 0; 317 1.2.18.2 yamt } 318 1.2.18.2 yamt break; 319 1.2.18.2 yamt 320 1.2.18.2 yamt case CONFIG_HOOK_SET: 321 1.2.18.2 yamt value = *(int *)msg; 322 1.2.18.2 yamt 323 1.2.18.2 yamt switch (id) { 324 1.2.18.2 yamt case CONFIG_HOOK_CONTRAST: 325 1.2.18.2 yamt if (value != PSH3LCD_CONTRAST_UP && 326 1.2.18.2 yamt value != PSH3LCD_CONTRAST_DOWN) 327 1.2.18.3 yamt return EINVAL; 328 1.2.18.2 yamt psh3lcd_set_contrast(value); 329 1.2.18.3 yamt return 0; 330 1.2.18.2 yamt 331 1.2.18.2 yamt case CONFIG_HOOK_BRIGHTNESS: 332 1.2.18.2 yamt if (value < 0) 333 1.2.18.2 yamt value = 0; 334 1.2.18.2 yamt if (value > sc->sc_brightness_max) 335 1.2.18.2 yamt value = sc->sc_brightness_max; 336 1.2.18.2 yamt sc->sc_brightness = value; 337 1.2.18.2 yamt sc->sc_set_brightness(sc->sc_brightness); 338 1.2.18.3 yamt return 0; 339 1.2.18.2 yamt } 340 1.2.18.2 yamt break; 341 1.2.18.2 yamt } 342 1.2.18.2 yamt 343 1.2.18.3 yamt return EINVAL; 344 1.2.18.2 yamt } 345 1.2.18.2 yamt 346 1.2.18.2 yamt 347 1.2.18.2 yamt static int 348 1.2.18.2 yamt psh3lcd_power(void *ctx, int type, long id, void *msg) 349 1.2.18.2 yamt { 350 1.2.18.2 yamt struct psh3lcd_softc *sc = ctx; 351 1.2.18.2 yamt int on; 352 1.2.18.2 yamt 353 1.2.18.2 yamt if (type != CONFIG_HOOK_POWERCONTROL || 354 1.2.18.2 yamt id != CONFIG_HOOK_POWERCONTROL_LCD) 355 1.2.18.3 yamt return EINVAL; 356 1.2.18.2 yamt 357 1.2.18.2 yamt on = (int)msg; 358 1.2.18.2 yamt if (on) 359 1.2.18.2 yamt sc->sc_set_brightness(sc->sc_brightness); 360 1.2.18.2 yamt else 361 1.2.18.2 yamt sc->sc_set_brightness(sc->sc_brightness_max + 1); 362 1.2.18.2 yamt 363 1.2.18.3 yamt return 0; 364 1.2.18.2 yamt } 365
Indexes created Fri Nov 07 20:09:51 GMT 2025