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73 lines
1.3 KiB
73 lines
1.3 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Copyright 2011 Florian Tobias Schandinat <[email protected]> |
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*/ |
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/* |
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* infrastructure for devices connected via I2C |
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*/ |
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#include <linux/slab.h> |
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#include "via_aux.h" |
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struct via_aux_bus *via_aux_probe(struct i2c_adapter *adap) |
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{ |
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struct via_aux_bus *bus; |
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if (!adap) |
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return NULL; |
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bus = kmalloc(sizeof(*bus), GFP_KERNEL); |
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if (!bus) |
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return NULL; |
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bus->adap = adap; |
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INIT_LIST_HEAD(&bus->drivers); |
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via_aux_edid_probe(bus); |
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via_aux_vt1636_probe(bus); |
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via_aux_vt1632_probe(bus); |
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via_aux_vt1631_probe(bus); |
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via_aux_vt1625_probe(bus); |
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via_aux_vt1622_probe(bus); |
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via_aux_vt1621_probe(bus); |
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via_aux_sii164_probe(bus); |
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via_aux_ch7301_probe(bus); |
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return bus; |
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} |
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void via_aux_free(struct via_aux_bus *bus) |
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{ |
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struct via_aux_drv *pos, *n; |
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if (!bus) |
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return; |
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list_for_each_entry_safe(pos, n, &bus->drivers, chain) { |
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if (pos->cleanup) |
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pos->cleanup(pos); |
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list_del(&pos->chain); |
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kfree(pos->data); |
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kfree(pos); |
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} |
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kfree(bus); |
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} |
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const struct fb_videomode *via_aux_get_preferred_mode(struct via_aux_bus *bus) |
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{ |
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struct via_aux_drv *pos; |
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const struct fb_videomode *mode = NULL; |
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if (!bus) |
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return NULL; |
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list_for_each_entry(pos, &bus->drivers, chain) { |
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if (pos->get_preferred_mode) |
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mode = pos->get_preferred_mode(pos); |
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} |
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return mode; |
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}
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